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<a href="spx_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*============================================================================</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">  WCSLIB 8.2 - an implementation of the FITS WCS standard.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">  Copyright (C) 1995-2023, Mark Calabretta</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"></span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment">  This file is part of WCSLIB.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"></span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">  WCSLIB is free software: you can redistribute it and/or modify it under the</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment">  terms of the GNU Lesser General Public License as published by the Free</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment">  Software Foundation, either version 3 of the License, or (at your option)</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">  any later version.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"></span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">  WCSLIB is distributed in the hope that it will be useful, but WITHOUT ANY</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">  more details.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"></span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">  You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">  along with WCSLIB.  If not, see http://www.gnu.org/licenses.</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">  Author: Mark Calabretta, Australia Telescope National Facility, CSIRO.</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment">  http://www.atnf.csiro.au/people/Mark.Calabretta</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">  $Id: spx.h,v 8.2.1.1 2023/11/16 10:05:57 mcalabre Exp mcalabre $</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">*=============================================================================</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment">*</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">* WCSLIB 8.2 - C routines that implement the FITS World Coordinate System</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment">* (WCS) standard.  Refer to the README file provided with WCSLIB for an</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment">* overview of the library.</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">*</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">*</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">* Summary of the spx routines</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment">* ---------------------------</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">* Routines in this suite implement the spectral coordinate systems recognized</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment">* by the FITS World Coordinate System (WCS) standard, as described in</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">*</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment">=   &quot;Representations of world coordinates in FITS&quot;,</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment">=   Greisen, E.W., &amp; Calabretta, M.R. 2002, A&amp;A, 395, 1061 (WCS Paper I)</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment">=</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment">=   &quot;Representations of spectral coordinates in FITS&quot;,</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment">=   Greisen, E.W., Calabretta, M.R., Valdes, F.G., &amp; Allen, S.L.</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment">=   2006, A&amp;A, 446, 747 (WCS Paper III)</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment">*</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment">* specx() is a scalar routine that, given one spectral variable (e.g.</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment">* frequency), computes all the others (e.g. wavelength, velocity, etc.) plus</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment">* the required derivatives of each with respect to the others.  The results</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment">* are returned in the spxprm struct.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment">*</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment">* spxperr() prints the error message(s) (if any) stored in a spxprm struct.</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment">*</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment">* The remaining routines are all vector conversions from one spectral</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment">* variable to another.  The API of these functions only differ in whether the</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment">* rest frequency or wavelength need be supplied.</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">*</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment">* Non-linear:</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment">*   - freqwave()    frequency              -&gt;  vacuum wavelength</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">*   - wavefreq()    vacuum wavelength      -&gt;  frequency</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">*</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment">*   - freqawav()    frequency              -&gt;  air wavelength</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">*   - awavfreq()    air wavelength         -&gt;  frequency</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment">*</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment">*   - freqvelo()    frequency              -&gt;  relativistic velocity</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment">*   - velofreq()    relativistic velocity  -&gt;  frequency</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment">*</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment">*   - waveawav()    vacuum wavelength      -&gt;  air wavelength</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">*   - awavwave()    air wavelength         -&gt;  vacuum wavelength</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">*</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment">*   - wavevelo()    vacuum wavelength      -&gt;  relativistic velocity</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment">*   - velowave()    relativistic velocity  -&gt;  vacuum wavelength</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">*</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment">*   - awavvelo()    air wavelength         -&gt;  relativistic velocity</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">*   - veloawav()    relativistic velocity  -&gt;  air wavelength</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">*</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">* Linear:</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">*   - freqafrq()    frequency              -&gt;  angular frequency</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">*   - afrqfreq()    angular frequency      -&gt;  frequency</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">*</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">*   - freqener()    frequency              -&gt;  energy</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">*   - enerfreq()    energy                 -&gt;  frequency</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment">*</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">*   - freqwavn()    frequency              -&gt;  wave number</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">*   - wavnfreq()    wave number            -&gt;  frequency</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">*</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">*   - freqvrad()    frequency              -&gt;  radio velocity</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">*   - vradfreq()    radio velocity         -&gt;  frequency</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">*</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">*   - wavevopt()    vacuum wavelength      -&gt;  optical velocity</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">*   - voptwave()    optical velocity       -&gt;  vacuum wavelength</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">*</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">*   - wavezopt()    vacuum wavelength      -&gt;  redshift</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">*   - zoptwave()    redshift               -&gt;  vacuum wavelength</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">*</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">*   - velobeta()    relativistic velocity  -&gt;  beta (= v/c)</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">*   - betavelo()    beta (= v/c)           -&gt;  relativistic velocity</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">*</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment">* These are the workhorse routines, to be used for fast transformations.</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment">* Conversions may be done &quot;in place&quot; by calling the routine with the output</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment">* vector set to the input.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment">*</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">* Air-to-vacuum wavelength conversion:</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment">* ------------------------------------</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment">* The air-to-vacuum wavelength conversion in early drafts of WCS Paper III</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment">* cites Cox (ed., 2000, Allen’s Astrophysical Quantities, AIP Press,</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment">* Springer-Verlag, New York), which itself derives from Edlén (1953, Journal</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment">* of the Optical Society of America, 43, 339).  This is the IAU standard,</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment">* adopted in 1957 and again in 1991.  No more recent IAU resolution replaces</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">* this relation, and it is the one used by WCSLIB.</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment">*</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">* However, the Cox relation was replaced in later drafts of Paper III, and as</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">* eventually published, by the IUGG relation (1999, International Union of</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">* Geodesy and Geophysics, comptes rendus of the 22nd General Assembly,</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">* Birmingham UK, p111).  There is a nearly constant ratio between the two,</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">* with IUGG/Cox = 1.000015 over most of the range between 200nm and 10,000nm.</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">*</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">* The IUGG relation itself is derived from the work of Ciddor (1996, Applied</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">* Optics, 35, 1566), which is used directly by the Sloan Digital Sky Survey.</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">* It agrees closely with Cox; longwards of 2500nm, the ratio Ciddor/Cox is</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">* fixed at 1.000000021, decreasing only slightly, to 1.000000018, at 1000nm.</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">*</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">* The Cox, IUGG, and Ciddor relations all accurately provide the wavelength</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">* dependence of the air-to-vacuum wavelength conversion.  However, for full</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">* accuracy, the atmospheric temperature, pressure, and partial pressure of</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">* water vapour must be taken into account.  These will determine a small,</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">* wavelength-independent scale factor and offset, which is not considered by</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">* WCS Paper III.</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment">*</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment">* WCS Paper III is also silent on the question of the range of validity of the</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment">* air-to-vacuum wavelength conversion.  Cox&#39;s relation would appear to be</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment">* valid in the range 200nm to 10,000nm.  Both the Cox and the Ciddor relations</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">* have singularities below 200nm, with Cox&#39;s at 156nm and 83nm.  WCSLIB checks</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment">* neither the range of validity, nor for these singularities.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">*</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">* Argument checking:</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">* ------------------</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">* The input spectral values are only checked for values that would result</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">* in floating point exceptions.  In particular, negative frequencies and</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">* wavelengths are allowed, as are velocities greater than the speed of</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment">* light.  The same is true for the spectral parameters - rest frequency and</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment">* wavelength.</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">*</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment">* Accuracy:</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">* ---------</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment">* No warranty is given for the accuracy of these routines (refer to the</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">* copyright notice); intending users must satisfy for themselves their</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment">* adequacy for the intended purpose.  However, closure effectively to within</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment">* double precision rounding error was demonstrated by test routine tspec.c</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">* which accompanies this software.</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment">*</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment">*</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="comment">* specx() - Spectral cross conversions (scalar)</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="comment">* ---------------------------------------------</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">* Given one spectral variable specx() computes all the others, plus the</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">* required derivatives of each with respect to the others.</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="comment">*</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="comment">* Given:</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment">*   type      const char*</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">*                       The type of spectral variable given by spec, FREQ,</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">*                       AFRQ, ENER, WAVN, VRAD, WAVE, VOPT, ZOPT, AWAV, VELO,</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">*                       or BETA (case sensitive).</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">*</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">*   spec      double    The spectral variable given, in SI units.</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">*</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">*   restfrq,</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">*   restwav   double    Rest frequency [Hz] or rest wavelength in vacuo [m],</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">*                       only one of which need be given.  The other should be</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment">*                       set to zero.  If both are zero, only a subset of the</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">*                       spectral variables can be computed, the remainder are</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">*                       set to zero.  Specifically, given one of FREQ, AFRQ,</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">*                       ENER, WAVN, WAVE, or AWAV the others can be computed</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">*                       without knowledge of the rest frequency.  Likewise,</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">*                       VRAD, VOPT, ZOPT, VELO, and BETA.</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">*</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">* Given and returned:</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">*   specs     struct spxprm*</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment">*                       Data structure containing all spectral variables and</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment">*                       their derivatives, in SI units.</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment">*</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment">* Function return value:</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment">*             int       Status return value:</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment">*                         1: Null spxprm pointer passed.</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment">*                         2: Invalid spectral parameters.</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">*                         3: Invalid spectral variable.</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">*</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">*                       For returns &gt; 1, a detailed error message is set in</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="comment">*                       spxprm::err if enabled, see wcserr_enable().</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="comment">*</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">* freqafrq(), afrqfreq(), freqener(), enerfreq(), freqwavn(), wavnfreq(),</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">* freqwave(), wavefreq(), freqawav(), awavfreq(), waveawav(), awavwave(),</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">* velobeta(), and betavelo() implement vector conversions between wave-like</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">* or velocity-like spectral types (i.e. conversions that do not need the rest</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">* frequency or wavelength).  They all have the same API.</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">*</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">*</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">* spxperr() - Print error messages from a spxprm struct</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">* -----------------------------------------------------</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">* spxperr() prints the error message(s) (if any) stored in a spxprm struct.</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">* If there are no errors then nothing is printed.  It uses wcserr_prt(), q.v.</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">*</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment">* Given:</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="comment">*   spx       const struct spxprm*</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">*                       Spectral variables and their derivatives.</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">*</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">*   prefix    const char *</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">*                       If non-NULL, each output line will be prefixed with</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">*                       this string.</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">*</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">* Function return value:</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">*             int       Status return value:</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">*                         1: Null spxprm pointer passed.</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">*</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">*</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">* freqafrq() - Convert frequency to angular frequency (vector)</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">* ------------------------------------------------------------</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="comment">* freqafrq() converts frequency to angular frequency.</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">*</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">* Given:</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">*   param     double    Ignored.</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment">*</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment">*   nspec     int       Vector length.</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="comment">*</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="comment">*   instep,</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment">*   outstep   int       Vector strides.</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment">*</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">*   inspec    const double[]</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">*                       Input spectral variables, in SI units.</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">*</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment">* Returned:</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment">*   outspec   double[]  Output spectral variables, in SI units.</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">*</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">*   stat      int[]     Status return value for each vector element:</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="comment">*                         1: Invalid value of inspec.</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="comment">*</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment">* Function return value:</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">*             int       Status return value:</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment">*                         2: Invalid spectral parameters.</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment">*                         4: One or more of the inspec coordinates were</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment">*                            invalid, as indicated by the stat vector.</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment">*</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment">*</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">* freqvelo(), velofreq(), freqvrad(), and vradfreq() implement vector</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment">* conversions between frequency and velocity spectral types.  They all have</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">* the same API.</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment">*</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">*</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment">* freqvelo() - Convert frequency to relativistic velocity (vector)</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">* ----------------------------------------------------------------</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment">* freqvelo() converts frequency to relativistic velocity.</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="comment">*</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="comment">* Given:</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="comment">*   param     double    Rest frequency [Hz].</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="comment">*</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="comment">*   nspec     int       Vector length.</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment">*</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="comment">*   instep,</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="comment">*   outstep   int       Vector strides.</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment">*</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="comment">*   inspec    const double[]</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment">*                       Input spectral variables, in SI units.</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="comment">*</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="comment">* Returned:</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment">*   outspec   double[]  Output spectral variables, in SI units.</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="comment">*</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment">*   stat      int[]     Status return value for each vector element:</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment">*                         1: Invalid value of inspec.</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment">*</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="comment">* Function return value:</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span><span class="comment">*             int       Status return value:</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment">*                         2: Invalid spectral parameters.</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">*                         4: One or more of the inspec coordinates were</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="comment">*                            invalid, as indicated by the stat vector.</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">*</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment">*</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment">* wavevelo(), velowave(), awavvelo(), veloawav(), wavevopt(), voptwave(),</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">* wavezopt(), and zoptwave() implement vector conversions between wavelength</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">* and velocity spectral types.  They all have the same API.</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment">*</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">*</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment">* wavevelo() - Conversions between wavelength and velocity types (vector)</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment">* -----------------------------------------------------------------------</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment">* wavevelo() converts vacuum wavelength to relativistic velocity.</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment">*</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment">* Given:</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="comment">*   param     double    Rest wavelength in vacuo [m].</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="comment">*</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="comment">*   nspec     int       Vector length.</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="comment">*</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="comment">*   instep,</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="comment">*   outstep   int       Vector strides.</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="comment">*</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="comment">*   inspec    const double[]</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment">*                       Input spectral variables, in SI units.</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment">*</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">* Returned:</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">*   outspec   double[]  Output spectral variables, in SI units.</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="comment">*</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="comment">*   stat      int[]     Status return value for each vector element:</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">*                         1: Invalid value of inspec.</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment">*</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment">* Function return value:</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">*             int       Status return value:</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment">*                         0: Success.</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="comment">*                         2: Invalid spectral parameters.</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="comment">*                         4: One or more of the inspec coordinates were</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="comment">*                            invalid, as indicated by the stat vector.</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment">*</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment">*</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="comment">* spxprm struct - Spectral variables and their derivatives</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="comment">* --------------------------------------------------------</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="comment">* The spxprm struct contains the value of all spectral variables and their</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="comment">* derivatives.   It is used solely by specx() which constructs it from</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment">* information provided via its function arguments.</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span><span class="comment">*</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="comment">* This struct should be considered read-only, no members need ever be set nor</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="comment">* should ever be modified by the user.</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="comment">*</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="comment">*   double restfrq</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="comment">*     (Returned) Rest frequency [Hz].</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><span class="comment">*</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="comment">*   double restwav</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span><span class="comment">*     (Returned) Rest wavelength [m].</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="comment">*</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="comment">*   int wavetype</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="comment">*     (Returned) True if wave types have been computed, and ...</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="comment">*</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="comment">*   int velotype</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="comment">*     (Returned) ... true if velocity types have been computed; types are</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="comment">*     defined below.</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="comment">*</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="comment">*     If one or other of spxprm::restfrq and spxprm::restwav is given</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="comment">*     (non-zero) then all spectral variables may be computed.  If both are</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="comment">*     given, restfrq is used.  If restfrq and restwav are both zero, only wave</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="comment">*     characteristic xor velocity type spectral variables may be computed</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="comment">*     depending on the variable given.   These flags indicate what is</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="comment">*     available.</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span><span class="comment">*</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span><span class="comment">*   double freq</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span><span class="comment">*     (Returned) Frequency [Hz] (wavetype).</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span><span class="comment">*</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span><span class="comment">*   double afrq</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="comment">*     (Returned) Angular frequency [rad/s] (wavetype).</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="comment">*</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span><span class="comment">*   double ener</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="comment">*     (Returned) Photon energy [J] (wavetype).</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span><span class="comment">*</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="comment">*   double wavn</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="comment">*     (Returned) Wave number [/m] (wavetype).</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="comment">*</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span><span class="comment">*   double vrad</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span><span class="comment">*     (Returned) Radio velocity [m/s] (velotype).</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span><span class="comment">*</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span><span class="comment">*   double wave</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span><span class="comment">*     (Returned) Vacuum wavelength [m] (wavetype).</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="comment">*</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span><span class="comment">*   double vopt</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="comment">*     (Returned) Optical velocity [m/s] (velotype).</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="comment">*</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span><span class="comment">*   double zopt</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span><span class="comment">*     (Returned) Redshift [dimensionless] (velotype).</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span><span class="comment">*</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="comment">*   double awav</span></div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="comment">*     (Returned) Air wavelength [m] (wavetype).</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="comment">*</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="comment">*   double velo</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="comment">*     (Returned) Relativistic velocity [m/s] (velotype).</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="comment">*</span></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span><span class="comment">*   double beta</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="comment">*     (Returned) Relativistic beta [dimensionless] (velotype).</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span><span class="comment">*</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span><span class="comment">*   double dfreqafrq</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span><span class="comment">*     (Returned) Derivative of frequency with respect to angular frequency</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><span class="comment">*     [/rad] (constant, = 1 / 2*pi), and ...</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span><span class="comment">*   double dafrqfreq</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="comment">*     (Returned) ... vice versa [rad] (constant, = 2*pi, always available).</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="comment">*</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment">*   double dfreqener</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment">*     (Returned) Derivative of frequency with respect to photon energy</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="comment">*     [/J/s] (constant, = 1/h), and ...</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="comment">*   double denerfreq</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="comment">*     (Returned) ... vice versa [Js] (constant, = h, Planck&#39;s constant,</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span><span class="comment">*     always available).</span></div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span><span class="comment">*</span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="comment">*   double dfreqwavn</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span><span class="comment">*     (Returned) Derivative of frequency with respect to wave number [m/s]</span></div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="comment">*     (constant, = c, the speed of light in vacuo), and ...</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="comment">*   double dwavnfreq</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="comment">*     (Returned) ... vice versa [s/m] (constant, = 1/c, always available).</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span><span class="comment">*</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="comment">*   double dfreqvrad</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span><span class="comment">*     (Returned) Derivative of frequency with respect to radio velocity [/m],</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span><span class="comment">*     and ...</span></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span><span class="comment">*   double dvradfreq</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span><span class="comment">*     (Returned) ... vice versa [m] (wavetype &amp;&amp; velotype).</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span><span class="comment">*</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment">*   double dfreqwave</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="comment">*     (Returned) Derivative of frequency with respect to vacuum wavelength</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span><span class="comment">*     [/m/s], and ...</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="comment">*   double dwavefreq</span></div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span><span class="comment">*     (Returned) ... vice versa [m s] (wavetype).</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="comment">*</span></div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span><span class="comment">*   double dfreqawav</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="comment">*     (Returned) Derivative of frequency with respect to air wavelength,</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="comment">*     [/m/s], and ...</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="comment">*   double dawavfreq</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="comment">*     (Returned) ... vice versa [m s] (wavetype).</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span><span class="comment">*</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="comment">*   double dfreqvelo</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span><span class="comment">*     (Returned) Derivative of frequency with respect to relativistic</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span><span class="comment">*     velocity [/m], and ...</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span><span class="comment">*   double dvelofreq</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span><span class="comment">*     (Returned) ... vice versa [m] (wavetype &amp;&amp; velotype).</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span><span class="comment">*</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="comment">*   double dwavevopt</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment">*     (Returned) Derivative of vacuum wavelength with respect to optical</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span><span class="comment">*     velocity [s], and ...</span></div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span><span class="comment">*   double dvoptwave</span></div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment">*     (Returned) ... vice versa [/s] (wavetype &amp;&amp; velotype).</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment">*</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="comment">*   double dwavezopt</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment">*     (Returned) Derivative of vacuum wavelength with respect to redshift [m],</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="comment">*     and ...</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment">*   double dzoptwave</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span><span class="comment">*     (Returned) ... vice versa [/m] (wavetype &amp;&amp; velotype).</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="comment">*</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span><span class="comment">*   double dwaveawav</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="comment">*     (Returned) Derivative of vacuum wavelength with respect to air</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="comment">*     wavelength [dimensionless], and ...</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="comment">*   double dawavwave</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span><span class="comment">*     (Returned) ... vice versa [dimensionless] (wavetype).</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span><span class="comment">*</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span><span class="comment">*   double dwavevelo</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span><span class="comment">*     (Returned) Derivative of vacuum wavelength with respect to relativistic</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span><span class="comment">*     velocity [s], and ...</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span><span class="comment">*   double dvelowave</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span><span class="comment">*     (Returned) ... vice versa [/s] (wavetype &amp;&amp; velotype).</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span><span class="comment">*</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span><span class="comment">*   double dawavvelo</span></div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span><span class="comment">*     (Returned) Derivative of air wavelength with respect to relativistic</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span><span class="comment">*     velocity [s], and ...</span></div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span><span class="comment">*   double dveloawav</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span><span class="comment">*     (Returned) ... vice versa [/s] (wavetype &amp;&amp; velotype).</span></div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span><span class="comment">*</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span><span class="comment">*   double dvelobeta</span></div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span><span class="comment">*     (Returned) Derivative of relativistic velocity with respect to</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span><span class="comment">*     relativistic beta [m/s] (constant, = c, the speed of light in vacuo),</span></div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span><span class="comment">*     and ...</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span><span class="comment">*   double dbetavelo</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span><span class="comment">*     (Returned) ... vice versa [s/m] (constant, = 1/c, always available).</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span><span class="comment">*</span></div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span><span class="comment">*   struct wcserr *err</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span><span class="comment">*     (Returned) If enabled, when an error status is returned, this struct</span></div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span><span class="comment">*     contains detailed information about the error, see wcserr_enable().</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span><span class="comment">*</span></div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span><span class="comment">*   void *padding</span></div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span><span class="comment">*     (An unused variable inserted for alignment purposes only.)</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span><span class="comment">*</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span><span class="comment">* Global variable: const char *spx_errmsg[] - Status return messages</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span><span class="comment">* ------------------------------------------------------------------</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span><span class="comment">* Error messages to match the status value returned from each function.</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="comment">*</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span><span class="comment">*===========================================================================*/</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span> </div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span><span class="preprocessor">#ifndef WCSLIB_SPEC</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span><span class="preprocessor">#define WCSLIB_SPEC</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span> </div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span> </div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span><span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code hl_enumeration" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecaf">spx_errmsg</a>[];</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span> </div>
<div class="foldopen" id="foldopen00476" data-start="{" data-end="};">
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"><a class="line" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecaf">  476</a></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecaf">spx_errmsg</a> {</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"><a class="line" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa45313ec670a74e7effc1bcee16cb0b56">  477</a></span>  <a class="code hl_enumvalue" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa45313ec670a74e7effc1bcee16cb0b56">SPXERR_SUCCESS</a>          = 0,  <span class="comment">// Success.</span></div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"><a class="line" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa7342349cd1dc5b4581ae9c39f31d055e">  478</a></span>  <a class="code hl_enumvalue" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa7342349cd1dc5b4581ae9c39f31d055e">SPXERR_NULL_POINTER</a>     = 1,  <span class="comment">// Null spxprm pointer passed.</span></div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"><a class="line" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa23753b512249d3752a74ce7497d9c852">  479</a></span>  <a class="code hl_enumvalue" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa23753b512249d3752a74ce7497d9c852">SPXERR_BAD_SPEC_PARAMS</a>  = 2,  <span class="comment">// Invalid spectral parameters.</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"><a class="line" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa6b6639fb6d3683c9d356dbd7cf705de1">  480</a></span>  <a class="code hl_enumvalue" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa6b6639fb6d3683c9d356dbd7cf705de1">SPXERR_BAD_SPEC_VAR</a>     = 3,  <span class="comment">// Invalid spectral variable.</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>  <a class="code hl_enumvalue" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafae795e388e346496b34e57864af841ae2">SPXERR_BAD_INSPEC_COORD</a> = 4   <span class="comment">// One or more of the inspec coordinates were</span></div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>                                <span class="comment">// invalid.</span></div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"><a class="line" href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafae795e388e346496b34e57864af841ae2">  483</a></span>};</div>
</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span> </div>
<div class="foldopen" id="foldopen00485" data-start="{" data-end="};">
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"><a class="line" href="structspxprm.html">  485</a></span><span class="keyword">struct </span><a class="code hl_struct" href="structspxprm.html">spxprm</a> {</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"><a class="line" href="structspxprm.html#a533847a7e77e2bba8ce886289d31abdb">  486</a></span>  <span class="keywordtype">double</span> <a class="code hl_variable" href="structspxprm.html#a533847a7e77e2bba8ce886289d31abdb">restfrq</a>, <a class="code hl_variable" href="structspxprm.html#ad3a5b851397a50e8644aeda10b184776">restwav</a>;      <span class="comment">// Rest frequency [Hz] and wavelength [m].</span></div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span> </div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"><a class="line" href="structspxprm.html#ae83f0b38ecd0b7b7b6afb6eb42a61fd4">  488</a></span>  <span class="keywordtype">int</span> <a class="code hl_variable" href="structspxprm.html#a2c20a26fe559feacc85e6e76c31bbbc3">wavetype</a>, <a class="code hl_variable" href="structspxprm.html#ae83f0b38ecd0b7b7b6afb6eb42a61fd4">velotype</a>;       <span class="comment">// True if wave/velocity types have been</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>                                <span class="comment">// computed; types are defined below.</span></div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span> </div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>  <span class="comment">// Spectral variables computed by specx().</span></div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"><a class="line" href="structspxprm.html#af2a797bbae7610552aa9adfe75118908">  493</a></span>  <span class="keywordtype">double</span> <a class="code hl_variable" href="structspxprm.html#af2a797bbae7610552aa9adfe75118908">freq</a>,                  <span class="comment">// wavetype: Frequency [Hz].</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"><a class="line" href="structspxprm.html#a5f4248299fb8a02ff1df6ed3d1baaa1b">  494</a></span>         <a class="code hl_variable" href="structspxprm.html#a5f4248299fb8a02ff1df6ed3d1baaa1b">afrq</a>,                  <span class="comment">// wavetype: Angular frequency [rad/s].</span></div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"><a class="line" href="structspxprm.html#ab67c62285ad58f5f0c1a88cb15ac3408">  495</a></span>         <a class="code hl_variable" href="structspxprm.html#ab67c62285ad58f5f0c1a88cb15ac3408">ener</a>,                  <span class="comment">// wavetype: Photon energy [J].</span></div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"><a class="line" href="structspxprm.html#aa37e50cd66795673d6bd43883a1be540">  496</a></span>         <a class="code hl_variable" href="structspxprm.html#aa37e50cd66795673d6bd43883a1be540">wavn</a>,                  <span class="comment">// wavetype: Wave number [/m].</span></div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"><a class="line" href="structspxprm.html#a41ee038d00742dcf8cae9b6ed45a699b">  497</a></span>         <a class="code hl_variable" href="structspxprm.html#a41ee038d00742dcf8cae9b6ed45a699b">vrad</a>,                  <span class="comment">// velotype: Radio velocity [m/s].</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"><a class="line" href="structspxprm.html#a7ba88553a468a9ef696c0c1eeda6864f">  498</a></span>         <a class="code hl_variable" href="structspxprm.html#a7ba88553a468a9ef696c0c1eeda6864f">wave</a>,                  <span class="comment">// wavetype: Vacuum wavelength [m].</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"><a class="line" href="structspxprm.html#a1d7fd26e54e3b253a9e26163445cbfc8">  499</a></span>         <a class="code hl_variable" href="structspxprm.html#a1d7fd26e54e3b253a9e26163445cbfc8">vopt</a>,                  <span class="comment">// velotype: Optical velocity [m/s].</span></div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"><a class="line" href="structspxprm.html#a968cf3d8e4b0d082c6d617f5a38344f7">  500</a></span>         <a class="code hl_variable" href="structspxprm.html#a968cf3d8e4b0d082c6d617f5a38344f7">zopt</a>,                  <span class="comment">// velotype: Redshift.</span></div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"><a class="line" href="structspxprm.html#aef53f8244101a4229518b25b08143d18">  501</a></span>         <a class="code hl_variable" href="structspxprm.html#aef53f8244101a4229518b25b08143d18">awav</a>,                  <span class="comment">// wavetype: Air wavelength [m].</span></div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"><a class="line" href="structspxprm.html#a51aa1b37a464c53a5c07a9a407c4b96c">  502</a></span>         <a class="code hl_variable" href="structspxprm.html#a51aa1b37a464c53a5c07a9a407c4b96c">velo</a>,                  <span class="comment">// velotype: Relativistic velocity [m/s].</span></div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"><a class="line" href="structspxprm.html#a6d41ec682a058f4028032bf6934f7fc0">  503</a></span>         <a class="code hl_variable" href="structspxprm.html#a6d41ec682a058f4028032bf6934f7fc0">beta</a>;                  <span class="comment">// velotype: Relativistic beta.</span></div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>  <span class="comment">// Derivatives of spectral variables computed by specx().</span></div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"><a class="line" href="structspxprm.html#a678577f6866727419716361586fe34bb">  507</a></span>  <span class="keywordtype">double</span> <a class="code hl_variable" href="structspxprm.html#aa75c986198c4673e2caa30bd4ac73a30">dfreqafrq</a>, <a class="code hl_variable" href="structspxprm.html#a678577f6866727419716361586fe34bb">dafrqfreq</a>,  <span class="comment">// Constant, always available.</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"><a class="line" href="structspxprm.html#a2d4ca3a63bb8871faec7928c8f713484">  508</a></span>         <a class="code hl_variable" href="structspxprm.html#aa419711bf0079fff37d4adbae3278f5c">dfreqener</a>, <a class="code hl_variable" href="structspxprm.html#a2d4ca3a63bb8871faec7928c8f713484">denerfreq</a>,  <span class="comment">// Constant, always available.</span></div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"><a class="line" href="structspxprm.html#ac0096d466fedc5ec61948044af06551d">  509</a></span>         <a class="code hl_variable" href="structspxprm.html#ac0096d466fedc5ec61948044af06551d">dfreqwavn</a>, <a class="code hl_variable" href="structspxprm.html#a34e6a4ba58cd67ef619ab48a58c8b808">dwavnfreq</a>,  <span class="comment">// Constant, always available.</span></div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"><a class="line" href="structspxprm.html#a9c60b90b7911b9846b353991dbf38084">  510</a></span>         <a class="code hl_variable" href="structspxprm.html#a9c60b90b7911b9846b353991dbf38084">dfreqvrad</a>, <a class="code hl_variable" href="structspxprm.html#a1f9bd735b5ffa618aa0713616a3b2b87">dvradfreq</a>,  <span class="comment">// wavetype &amp;&amp; velotype.</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"><a class="line" href="structspxprm.html#a9cab306f378116a9b9388bd215a98c0b">  511</a></span>         <a class="code hl_variable" href="structspxprm.html#a9cab306f378116a9b9388bd215a98c0b">dfreqwave</a>, <a class="code hl_variable" href="structspxprm.html#a90656bb22c7fdb8c750ee5a16745334c">dwavefreq</a>,  <span class="comment">// wavetype.</span></div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"><a class="line" href="structspxprm.html#ac9e44005ceadafb8158df81fe022f46e">  512</a></span>         <a class="code hl_variable" href="structspxprm.html#aa6ef9cc07973932f19c48062199e6689">dfreqawav</a>, <a class="code hl_variable" href="structspxprm.html#ac9e44005ceadafb8158df81fe022f46e">dawavfreq</a>,  <span class="comment">// wavetype.</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"><a class="line" href="structspxprm.html#a25de138f15027a948887f59f79b59d91">  513</a></span>         <a class="code hl_variable" href="structspxprm.html#a25de138f15027a948887f59f79b59d91">dfreqvelo</a>, <a class="code hl_variable" href="structspxprm.html#a6300648f1270fbd6f45fefaac054db70">dvelofreq</a>,  <span class="comment">// wavetype &amp;&amp; velotype.</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"><a class="line" href="structspxprm.html#a709e6f9fd2c706705a019d865280526f">  514</a></span>         <a class="code hl_variable" href="structspxprm.html#a307491e5045c959ed5212c54b6e300e9">dwavevopt</a>, <a class="code hl_variable" href="structspxprm.html#a709e6f9fd2c706705a019d865280526f">dvoptwave</a>,  <span class="comment">// wavetype &amp;&amp; velotype.</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"><a class="line" href="structspxprm.html#a203c7de3b62de030e721e99cc0a5799b">  515</a></span>         <a class="code hl_variable" href="structspxprm.html#a203c7de3b62de030e721e99cc0a5799b">dwavezopt</a>, <a class="code hl_variable" href="structspxprm.html#a84d43f663df39a476b33a9516f3662eb">dzoptwave</a>,  <span class="comment">// wavetype &amp;&amp; velotype.</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"><a class="line" href="structspxprm.html#a78d8a2235f18250cfa97a32625ab72a0">  516</a></span>         <a class="code hl_variable" href="structspxprm.html#af252fd0c875bfe2dc99c56617ae2faa8">dwaveawav</a>, <a class="code hl_variable" href="structspxprm.html#a78d8a2235f18250cfa97a32625ab72a0">dawavwave</a>,  <span class="comment">// wavetype.</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"><a class="line" href="structspxprm.html#acfdb74852a20099c1cdc3b2cc8faa03b">  517</a></span>         <a class="code hl_variable" href="structspxprm.html#a75c591192f69d3e284d037d0216c2179">dwavevelo</a>, <a class="code hl_variable" href="structspxprm.html#acfdb74852a20099c1cdc3b2cc8faa03b">dvelowave</a>,  <span class="comment">// wavetype &amp;&amp; velotype.</span></div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"><a class="line" href="structspxprm.html#a7e1e561ce26f9be86978783bbd0dd496">  518</a></span>         <a class="code hl_variable" href="structspxprm.html#a7e1e561ce26f9be86978783bbd0dd496">dawavvelo</a>, <a class="code hl_variable" href="structspxprm.html#a5ab73474c2a6e92885c805cc017f6fbe">dveloawav</a>,  <span class="comment">// wavetype &amp;&amp; velotype.</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"><a class="line" href="structspxprm.html#acc8a46737906be2cee7cba0b2aa09d87">  519</a></span>         <a class="code hl_variable" href="structspxprm.html#a1d7633da24d461d6f791e003be2a508a">dvelobeta</a>, <a class="code hl_variable" href="structspxprm.html#acc8a46737906be2cee7cba0b2aa09d87">dbetavelo</a>;  <span class="comment">// Constant, always available.</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span> </div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>  <span class="comment">// Error handling</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"><a class="line" href="structspxprm.html#ab232cb470b7f96330512dea46791644e">  523</a></span>  <span class="keyword">struct </span><a class="code hl_struct" href="structwcserr.html">wcserr</a> *<a class="code hl_variable" href="structspxprm.html#ab232cb470b7f96330512dea46791644e">err</a>;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span> </div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>  <span class="comment">// Private</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>  <span class="comment">//--------------------------------------------------------------------------</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"><a class="line" href="structspxprm.html#a947deca62dd508673f5b00f639d3af79">  527</a></span>  <span class="keywordtype">void</span>   *<a class="code hl_variable" href="structspxprm.html#a947deca62dd508673f5b00f639d3af79">padding</a>;              <span class="comment">// (Dummy inserted for alignment purposes.)</span></div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span>};</div>
</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span> </div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span><span class="comment">// Size of the spxprm struct in int units, used by the Fortran wrappers.</span></div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"><a class="line" href="spx_8h.html#a45f0db5bb967998f070cad30e5e68180">  531</a></span><span class="preprocessor">#define SPXLEN (sizeof(struct spxprm)/sizeof(int))</span></div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span> </div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"><a class="line" href="spx_8h.html#a192c7ea1edb2fc79d391a51bec7442e0">  534</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a192c7ea1edb2fc79d391a51bec7442e0">specx</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *type, <span class="keywordtype">double</span> spec, <span class="keywordtype">double</span> restfrq, <span class="keywordtype">double</span> restwav,</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>          <span class="keyword">struct</span> <a class="code hl_struct" href="structspxprm.html">spxprm</a> *specs);</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span> </div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"><a class="line" href="spx_8h.html#a4f810fff1834f8490c1db3094bec3279">  537</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a4f810fff1834f8490c1db3094bec3279">spxperr</a>(<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code hl_struct" href="structspxprm.html">spxprm</a> *spx, <span class="keyword">const</span> <span class="keywordtype">char</span> *prefix);</div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span> </div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span><span class="comment">// For use in declaring function prototypes, e.g. in spcprm.</span></div>
<div class="foldopen" id="foldopen00540" data-start="" data-end="">
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"><a class="line" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">  540</a></span><span class="preprocessor">#define SPX_ARGS double param, int nspec, int instep, int outstep, \</span></div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span><span class="preprocessor">    const double inspec[], double outspec[], int stat[]</span></div>
</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"><a class="line" href="spx_8h.html#a6ee182e1185978bc6e7f69e4604fe341">  543</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a6ee182e1185978bc6e7f69e4604fe341">freqafrq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"><a class="line" href="spx_8h.html#ad0a5167b8e52a0cdc3990e35a324ba02">  544</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#ad0a5167b8e52a0cdc3990e35a324ba02">afrqfreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span> </div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"><a class="line" href="spx_8h.html#a5c2eb2d8649eaab21e71efcd25d9236c">  546</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a5c2eb2d8649eaab21e71efcd25d9236c">freqener</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"><a class="line" href="spx_8h.html#a89a689b848429cfa5780757a5eee9347">  547</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a89a689b848429cfa5780757a5eee9347">enerfreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"><a class="line" href="spx_8h.html#a9eb861d7c7437c5f974ad425da8b5664">  549</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a9eb861d7c7437c5f974ad425da8b5664">freqwavn</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"><a class="line" href="spx_8h.html#a5eed4e6f2879b4607e60b4f77e2736bd">  550</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a5eed4e6f2879b4607e60b4f77e2736bd">wavnfreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span> </div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"><a class="line" href="spx_8h.html#a51b714ff0ed788c20f1b273ec551b6f6">  552</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a51b714ff0ed788c20f1b273ec551b6f6">freqwave</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"><a class="line" href="spx_8h.html#a6c79d97dcc410e1a7a3e6e26ba3dabe6">  553</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a6c79d97dcc410e1a7a3e6e26ba3dabe6">wavefreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"><a class="line" href="spx_8h.html#a3e86c3462619b4fdf0aeeeea9874757e">  555</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a3e86c3462619b4fdf0aeeeea9874757e">freqawav</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"><a class="line" href="spx_8h.html#a16bc2fef69c592c5bcdc695633f17df0">  556</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a16bc2fef69c592c5bcdc695633f17df0">awavfreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span> </div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"><a class="line" href="spx_8h.html#a5a497ffd57345f2f0bf1c9abc56842c4">  558</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a5a497ffd57345f2f0bf1c9abc56842c4">waveawav</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"><a class="line" href="spx_8h.html#a413fa882d2b67a792a35938738214057">  559</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a413fa882d2b67a792a35938738214057">awavwave</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span> </div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"><a class="line" href="spx_8h.html#a8aba8fe47efe098740991771e97fe756">  561</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a8aba8fe47efe098740991771e97fe756">velobeta</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"><a class="line" href="spx_8h.html#a09b951b08ac818b9da44389a3ddf614a">  562</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a09b951b08ac818b9da44389a3ddf614a">betavelo</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span> </div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span> </div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"><a class="line" href="spx_8h.html#aa626b0cad9206c62e7e265bdf8c92c31">  565</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#aa626b0cad9206c62e7e265bdf8c92c31">freqvelo</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"><a class="line" href="spx_8h.html#a974f799a8ee19dd23114ca01b225a02f">  566</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a974f799a8ee19dd23114ca01b225a02f">velofreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span> </div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"><a class="line" href="spx_8h.html#af4784a764fd0f36c82548ef755c470bd">  568</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#af4784a764fd0f36c82548ef755c470bd">freqvrad</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"><a class="line" href="spx_8h.html#a772a14e27c613ea7b63697efdb765205">  569</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a772a14e27c613ea7b63697efdb765205">vradfreq</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span> </div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span> </div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"><a class="line" href="spx_8h.html#a0459c65496512f270d3c569c346ce413">  572</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a0459c65496512f270d3c569c346ce413">wavevelo</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"><a class="line" href="spx_8h.html#acc02a893f538f5f0c0d1d9baae2b0e10">  573</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#acc02a893f538f5f0c0d1d9baae2b0e10">velowave</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span> </div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"><a class="line" href="spx_8h.html#af7a2d05c2db901488d68576343aad873">  575</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#af7a2d05c2db901488d68576343aad873">awavvelo</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"><a class="line" href="spx_8h.html#a56a7d77413c654541fb29f58561c16f9">  576</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a56a7d77413c654541fb29f58561c16f9">veloawav</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span> </div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"><a class="line" href="spx_8h.html#a61a1980ff0683231529b784af1c48eaa">  578</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a61a1980ff0683231529b784af1c48eaa">wavevopt</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"><a class="line" href="spx_8h.html#ab23cb997ad699b59f91f4dfe4e8b28b0">  579</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#ab23cb997ad699b59f91f4dfe4e8b28b0">voptwave</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span> </div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"><a class="line" href="spx_8h.html#a544be13048057701c37a8e9c4f761be2">  581</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#a544be13048057701c37a8e9c4f761be2">wavezopt</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"><a class="line" href="spx_8h.html#ada5d4cf3e8791d64da68575da692e3f3">  582</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="spx_8h.html#ada5d4cf3e8791d64da68575da692e3f3">zoptwave</a>(<a class="code hl_define" href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a>);</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span> </div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span> </div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span><span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>}</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span> </div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span><span class="preprocessor">#endif </span><span class="comment">// WCSLIB_SPEC</span></div>
<div class="ttc" id="aspx_8h_html_a0459c65496512f270d3c569c346ce413"><div class="ttname"><a href="spx_8h.html#a0459c65496512f270d3c569c346ce413">wavevelo</a></div><div class="ttdeci">int wavevelo(SPX_ARGS)</div><div class="ttdoc">Conversions between wavelength and velocity types (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a09b951b08ac818b9da44389a3ddf614a"><div class="ttname"><a href="spx_8h.html#a09b951b08ac818b9da44389a3ddf614a">betavelo</a></div><div class="ttdeci">int betavelo(SPX_ARGS)</div><div class="ttdoc">Convert relativistic beta to relativistic velocity (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a16bc2fef69c592c5bcdc695633f17df0"><div class="ttname"><a href="spx_8h.html#a16bc2fef69c592c5bcdc695633f17df0">awavfreq</a></div><div class="ttdeci">int awavfreq(SPX_ARGS)</div><div class="ttdoc">Convert air wavelength to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a192c7ea1edb2fc79d391a51bec7442e0"><div class="ttname"><a href="spx_8h.html#a192c7ea1edb2fc79d391a51bec7442e0">specx</a></div><div class="ttdeci">int specx(const char *type, double spec, double restfrq, double restwav, struct spxprm *specs)</div><div class="ttdoc">Spectral cross conversions (scalar).</div></div>
<div class="ttc" id="aspx_8h_html_a3e86c3462619b4fdf0aeeeea9874757e"><div class="ttname"><a href="spx_8h.html#a3e86c3462619b4fdf0aeeeea9874757e">freqawav</a></div><div class="ttdeci">int freqawav(SPX_ARGS)</div><div class="ttdoc">Convert frequency to air wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a413fa882d2b67a792a35938738214057"><div class="ttname"><a href="spx_8h.html#a413fa882d2b67a792a35938738214057">awavwave</a></div><div class="ttdeci">int awavwave(SPX_ARGS)</div><div class="ttdoc">Convert air wavelength to vacuum wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a4f810fff1834f8490c1db3094bec3279"><div class="ttname"><a href="spx_8h.html#a4f810fff1834f8490c1db3094bec3279">spxperr</a></div><div class="ttdeci">int spxperr(const struct spxprm *spx, const char *prefix)</div><div class="ttdoc">Print error messages from a spxprm struct.</div></div>
<div class="ttc" id="aspx_8h_html_a51b714ff0ed788c20f1b273ec551b6f6"><div class="ttname"><a href="spx_8h.html#a51b714ff0ed788c20f1b273ec551b6f6">freqwave</a></div><div class="ttdeci">int freqwave(SPX_ARGS)</div><div class="ttdoc">Convert frequency to vacuum wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a544be13048057701c37a8e9c4f761be2"><div class="ttname"><a href="spx_8h.html#a544be13048057701c37a8e9c4f761be2">wavezopt</a></div><div class="ttdeci">int wavezopt(SPX_ARGS)</div><div class="ttdoc">Convert vacuum wavelength to redshift (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a56a7d77413c654541fb29f58561c16f9"><div class="ttname"><a href="spx_8h.html#a56a7d77413c654541fb29f58561c16f9">veloawav</a></div><div class="ttdeci">int veloawav(SPX_ARGS)</div><div class="ttdoc">Convert relativistic velocity to air wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a5a497ffd57345f2f0bf1c9abc56842c4"><div class="ttname"><a href="spx_8h.html#a5a497ffd57345f2f0bf1c9abc56842c4">waveawav</a></div><div class="ttdeci">int waveawav(SPX_ARGS)</div><div class="ttdoc">Convert vacuum wavelength to air wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a5c2eb2d8649eaab21e71efcd25d9236c"><div class="ttname"><a href="spx_8h.html#a5c2eb2d8649eaab21e71efcd25d9236c">freqener</a></div><div class="ttdeci">int freqener(SPX_ARGS)</div><div class="ttdoc">Convert frequency to photon energy (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a5eed4e6f2879b4607e60b4f77e2736bd"><div class="ttname"><a href="spx_8h.html#a5eed4e6f2879b4607e60b4f77e2736bd">wavnfreq</a></div><div class="ttdeci">int wavnfreq(SPX_ARGS)</div><div class="ttdoc">Convert wave number to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a61a1980ff0683231529b784af1c48eaa"><div class="ttname"><a href="spx_8h.html#a61a1980ff0683231529b784af1c48eaa">wavevopt</a></div><div class="ttdeci">int wavevopt(SPX_ARGS)</div><div class="ttdoc">Convert vacuum wavelength to optical velocity (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a6c79d97dcc410e1a7a3e6e26ba3dabe6"><div class="ttname"><a href="spx_8h.html#a6c79d97dcc410e1a7a3e6e26ba3dabe6">wavefreq</a></div><div class="ttdeci">int wavefreq(SPX_ARGS)</div><div class="ttdoc">Convert vacuum wavelength to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a6ee182e1185978bc6e7f69e4604fe341"><div class="ttname"><a href="spx_8h.html#a6ee182e1185978bc6e7f69e4604fe341">freqafrq</a></div><div class="ttdeci">int freqafrq(SPX_ARGS)</div><div class="ttdoc">Convert frequency to angular frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a772a14e27c613ea7b63697efdb765205"><div class="ttname"><a href="spx_8h.html#a772a14e27c613ea7b63697efdb765205">vradfreq</a></div><div class="ttdeci">int vradfreq(SPX_ARGS)</div><div class="ttdoc">Convert radio velocity to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a777e5c4790da397aefcada61445a1bb3"><div class="ttname"><a href="spx_8h.html#a777e5c4790da397aefcada61445a1bb3">SPX_ARGS</a></div><div class="ttdeci">#define SPX_ARGS</div><div class="ttdoc">For use in declaring spectral conversion function prototypes.</div><div class="ttdef"><b>Definition</b> spx.h:540</div></div>
<div class="ttc" id="aspx_8h_html_a89a689b848429cfa5780757a5eee9347"><div class="ttname"><a href="spx_8h.html#a89a689b848429cfa5780757a5eee9347">enerfreq</a></div><div class="ttdeci">int enerfreq(SPX_ARGS)</div><div class="ttdoc">Convert photon energy to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a8aba8fe47efe098740991771e97fe756"><div class="ttname"><a href="spx_8h.html#a8aba8fe47efe098740991771e97fe756">velobeta</a></div><div class="ttdeci">int velobeta(SPX_ARGS)</div><div class="ttdoc">Convert relativistic velocity to relativistic beta (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a974f799a8ee19dd23114ca01b225a02f"><div class="ttname"><a href="spx_8h.html#a974f799a8ee19dd23114ca01b225a02f">velofreq</a></div><div class="ttdeci">int velofreq(SPX_ARGS)</div><div class="ttdoc">Convert relativistic velocity to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_a9eb861d7c7437c5f974ad425da8b5664"><div class="ttname"><a href="spx_8h.html#a9eb861d7c7437c5f974ad425da8b5664">freqwavn</a></div><div class="ttdeci">int freqwavn(SPX_ARGS)</div><div class="ttdoc">Convert frequency to wave number (vector).</div></div>
<div class="ttc" id="aspx_8h_html_aa626b0cad9206c62e7e265bdf8c92c31"><div class="ttname"><a href="spx_8h.html#aa626b0cad9206c62e7e265bdf8c92c31">freqvelo</a></div><div class="ttdeci">int freqvelo(SPX_ARGS)</div><div class="ttdoc">Convert frequency to relativistic velocity (vector).</div></div>
<div class="ttc" id="aspx_8h_html_ab23cb997ad699b59f91f4dfe4e8b28b0"><div class="ttname"><a href="spx_8h.html#ab23cb997ad699b59f91f4dfe4e8b28b0">voptwave</a></div><div class="ttdeci">int voptwave(SPX_ARGS)</div><div class="ttdoc">Convert optical velocity to vacuum wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_acc02a893f538f5f0c0d1d9baae2b0e10"><div class="ttname"><a href="spx_8h.html#acc02a893f538f5f0c0d1d9baae2b0e10">velowave</a></div><div class="ttdeci">int velowave(SPX_ARGS)</div><div class="ttdoc">Convert relativistic velocity to vacuum wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_ad0a5167b8e52a0cdc3990e35a324ba02"><div class="ttname"><a href="spx_8h.html#ad0a5167b8e52a0cdc3990e35a324ba02">afrqfreq</a></div><div class="ttdeci">int afrqfreq(SPX_ARGS)</div><div class="ttdoc">Convert angular frequency to frequency (vector).</div></div>
<div class="ttc" id="aspx_8h_html_ad99a404f496d5b8ce3ef6e53c630ecaf"><div class="ttname"><a href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecaf">spx_errmsg</a></div><div class="ttdeci">spx_errmsg</div><div class="ttdef"><b>Definition</b> spx.h:476</div></div>
<div class="ttc" id="aspx_8h_html_ad99a404f496d5b8ce3ef6e53c630ecafa23753b512249d3752a74ce7497d9c852"><div class="ttname"><a href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa23753b512249d3752a74ce7497d9c852">SPXERR_BAD_SPEC_PARAMS</a></div><div class="ttdeci">@ SPXERR_BAD_SPEC_PARAMS</div><div class="ttdef"><b>Definition</b> spx.h:479</div></div>
<div class="ttc" id="aspx_8h_html_ad99a404f496d5b8ce3ef6e53c630ecafa45313ec670a74e7effc1bcee16cb0b56"><div class="ttname"><a href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa45313ec670a74e7effc1bcee16cb0b56">SPXERR_SUCCESS</a></div><div class="ttdeci">@ SPXERR_SUCCESS</div><div class="ttdef"><b>Definition</b> spx.h:477</div></div>
<div class="ttc" id="aspx_8h_html_ad99a404f496d5b8ce3ef6e53c630ecafa6b6639fb6d3683c9d356dbd7cf705de1"><div class="ttname"><a href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa6b6639fb6d3683c9d356dbd7cf705de1">SPXERR_BAD_SPEC_VAR</a></div><div class="ttdeci">@ SPXERR_BAD_SPEC_VAR</div><div class="ttdef"><b>Definition</b> spx.h:480</div></div>
<div class="ttc" id="aspx_8h_html_ad99a404f496d5b8ce3ef6e53c630ecafa7342349cd1dc5b4581ae9c39f31d055e"><div class="ttname"><a href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafa7342349cd1dc5b4581ae9c39f31d055e">SPXERR_NULL_POINTER</a></div><div class="ttdeci">@ SPXERR_NULL_POINTER</div><div class="ttdef"><b>Definition</b> spx.h:478</div></div>
<div class="ttc" id="aspx_8h_html_ad99a404f496d5b8ce3ef6e53c630ecafae795e388e346496b34e57864af841ae2"><div class="ttname"><a href="spx_8h.html#ad99a404f496d5b8ce3ef6e53c630ecafae795e388e346496b34e57864af841ae2">SPXERR_BAD_INSPEC_COORD</a></div><div class="ttdeci">@ SPXERR_BAD_INSPEC_COORD</div><div class="ttdef"><b>Definition</b> spx.h:481</div></div>
<div class="ttc" id="aspx_8h_html_ada5d4cf3e8791d64da68575da692e3f3"><div class="ttname"><a href="spx_8h.html#ada5d4cf3e8791d64da68575da692e3f3">zoptwave</a></div><div class="ttdeci">int zoptwave(SPX_ARGS)</div><div class="ttdoc">Convert redshift to vacuum wavelength (vector).</div></div>
<div class="ttc" id="aspx_8h_html_af4784a764fd0f36c82548ef755c470bd"><div class="ttname"><a href="spx_8h.html#af4784a764fd0f36c82548ef755c470bd">freqvrad</a></div><div class="ttdeci">int freqvrad(SPX_ARGS)</div><div class="ttdoc">Convert frequency to radio velocity (vector).</div></div>
<div class="ttc" id="aspx_8h_html_af7a2d05c2db901488d68576343aad873"><div class="ttname"><a href="spx_8h.html#af7a2d05c2db901488d68576343aad873">awavvelo</a></div><div class="ttdeci">int awavvelo(SPX_ARGS)</div><div class="ttdoc">Convert air wavelength to relativistic velocity (vector).</div></div>
<div class="ttc" id="astructspxprm_html"><div class="ttname"><a href="structspxprm.html">spxprm</a></div><div class="ttdoc">Spectral variables and their derivatives.</div><div class="ttdef"><b>Definition</b> spx.h:485</div></div>
<div class="ttc" id="astructspxprm_html_a1d7633da24d461d6f791e003be2a508a"><div class="ttname"><a href="structspxprm.html#a1d7633da24d461d6f791e003be2a508a">spxprm::dvelobeta</a></div><div class="ttdeci">double dvelobeta</div><div class="ttdef"><b>Definition</b> spx.h:519</div></div>
<div class="ttc" id="astructspxprm_html_a1d7fd26e54e3b253a9e26163445cbfc8"><div class="ttname"><a href="structspxprm.html#a1d7fd26e54e3b253a9e26163445cbfc8">spxprm::vopt</a></div><div class="ttdeci">double vopt</div><div class="ttdef"><b>Definition</b> spx.h:499</div></div>
<div class="ttc" id="astructspxprm_html_a1f9bd735b5ffa618aa0713616a3b2b87"><div class="ttname"><a href="structspxprm.html#a1f9bd735b5ffa618aa0713616a3b2b87">spxprm::dvradfreq</a></div><div class="ttdeci">double dvradfreq</div><div class="ttdef"><b>Definition</b> spx.h:510</div></div>
<div class="ttc" id="astructspxprm_html_a203c7de3b62de030e721e99cc0a5799b"><div class="ttname"><a href="structspxprm.html#a203c7de3b62de030e721e99cc0a5799b">spxprm::dwavezopt</a></div><div class="ttdeci">double dwavezopt</div><div class="ttdef"><b>Definition</b> spx.h:515</div></div>
<div class="ttc" id="astructspxprm_html_a25de138f15027a948887f59f79b59d91"><div class="ttname"><a href="structspxprm.html#a25de138f15027a948887f59f79b59d91">spxprm::dfreqvelo</a></div><div class="ttdeci">double dfreqvelo</div><div class="ttdef"><b>Definition</b> spx.h:513</div></div>
<div class="ttc" id="astructspxprm_html_a2c20a26fe559feacc85e6e76c31bbbc3"><div class="ttname"><a href="structspxprm.html#a2c20a26fe559feacc85e6e76c31bbbc3">spxprm::wavetype</a></div><div class="ttdeci">int wavetype</div><div class="ttdef"><b>Definition</b> spx.h:488</div></div>
<div class="ttc" id="astructspxprm_html_a2d4ca3a63bb8871faec7928c8f713484"><div class="ttname"><a href="structspxprm.html#a2d4ca3a63bb8871faec7928c8f713484">spxprm::denerfreq</a></div><div class="ttdeci">double denerfreq</div><div class="ttdef"><b>Definition</b> spx.h:508</div></div>
<div class="ttc" id="astructspxprm_html_a307491e5045c959ed5212c54b6e300e9"><div class="ttname"><a href="structspxprm.html#a307491e5045c959ed5212c54b6e300e9">spxprm::dwavevopt</a></div><div class="ttdeci">double dwavevopt</div><div class="ttdef"><b>Definition</b> spx.h:514</div></div>
<div class="ttc" id="astructspxprm_html_a34e6a4ba58cd67ef619ab48a58c8b808"><div class="ttname"><a href="structspxprm.html#a34e6a4ba58cd67ef619ab48a58c8b808">spxprm::dwavnfreq</a></div><div class="ttdeci">double dwavnfreq</div><div class="ttdef"><b>Definition</b> spx.h:509</div></div>
<div class="ttc" id="astructspxprm_html_a41ee038d00742dcf8cae9b6ed45a699b"><div class="ttname"><a href="structspxprm.html#a41ee038d00742dcf8cae9b6ed45a699b">spxprm::vrad</a></div><div class="ttdeci">double vrad</div><div class="ttdef"><b>Definition</b> spx.h:497</div></div>
<div class="ttc" id="astructspxprm_html_a51aa1b37a464c53a5c07a9a407c4b96c"><div class="ttname"><a href="structspxprm.html#a51aa1b37a464c53a5c07a9a407c4b96c">spxprm::velo</a></div><div class="ttdeci">double velo</div><div class="ttdef"><b>Definition</b> spx.h:502</div></div>
<div class="ttc" id="astructspxprm_html_a533847a7e77e2bba8ce886289d31abdb"><div class="ttname"><a href="structspxprm.html#a533847a7e77e2bba8ce886289d31abdb">spxprm::restfrq</a></div><div class="ttdeci">double restfrq</div><div class="ttdef"><b>Definition</b> spx.h:486</div></div>
<div class="ttc" id="astructspxprm_html_a5ab73474c2a6e92885c805cc017f6fbe"><div class="ttname"><a href="structspxprm.html#a5ab73474c2a6e92885c805cc017f6fbe">spxprm::dveloawav</a></div><div class="ttdeci">double dveloawav</div><div class="ttdef"><b>Definition</b> spx.h:518</div></div>
<div class="ttc" id="astructspxprm_html_a5f4248299fb8a02ff1df6ed3d1baaa1b"><div class="ttname"><a href="structspxprm.html#a5f4248299fb8a02ff1df6ed3d1baaa1b">spxprm::afrq</a></div><div class="ttdeci">double afrq</div><div class="ttdef"><b>Definition</b> spx.h:494</div></div>
<div class="ttc" id="astructspxprm_html_a6300648f1270fbd6f45fefaac054db70"><div class="ttname"><a href="structspxprm.html#a6300648f1270fbd6f45fefaac054db70">spxprm::dvelofreq</a></div><div class="ttdeci">double dvelofreq</div><div class="ttdef"><b>Definition</b> spx.h:513</div></div>
<div class="ttc" id="astructspxprm_html_a678577f6866727419716361586fe34bb"><div class="ttname"><a href="structspxprm.html#a678577f6866727419716361586fe34bb">spxprm::dafrqfreq</a></div><div class="ttdeci">double dafrqfreq</div><div class="ttdef"><b>Definition</b> spx.h:507</div></div>
<div class="ttc" id="astructspxprm_html_a6d41ec682a058f4028032bf6934f7fc0"><div class="ttname"><a href="structspxprm.html#a6d41ec682a058f4028032bf6934f7fc0">spxprm::beta</a></div><div class="ttdeci">double beta</div><div class="ttdef"><b>Definition</b> spx.h:503</div></div>
<div class="ttc" id="astructspxprm_html_a709e6f9fd2c706705a019d865280526f"><div class="ttname"><a href="structspxprm.html#a709e6f9fd2c706705a019d865280526f">spxprm::dvoptwave</a></div><div class="ttdeci">double dvoptwave</div><div class="ttdef"><b>Definition</b> spx.h:514</div></div>
<div class="ttc" id="astructspxprm_html_a75c591192f69d3e284d037d0216c2179"><div class="ttname"><a href="structspxprm.html#a75c591192f69d3e284d037d0216c2179">spxprm::dwavevelo</a></div><div class="ttdeci">double dwavevelo</div><div class="ttdef"><b>Definition</b> spx.h:517</div></div>
<div class="ttc" id="astructspxprm_html_a78d8a2235f18250cfa97a32625ab72a0"><div class="ttname"><a href="structspxprm.html#a78d8a2235f18250cfa97a32625ab72a0">spxprm::dawavwave</a></div><div class="ttdeci">double dawavwave</div><div class="ttdef"><b>Definition</b> spx.h:516</div></div>
<div class="ttc" id="astructspxprm_html_a7ba88553a468a9ef696c0c1eeda6864f"><div class="ttname"><a href="structspxprm.html#a7ba88553a468a9ef696c0c1eeda6864f">spxprm::wave</a></div><div class="ttdeci">double wave</div><div class="ttdef"><b>Definition</b> spx.h:498</div></div>
<div class="ttc" id="astructspxprm_html_a7e1e561ce26f9be86978783bbd0dd496"><div class="ttname"><a href="structspxprm.html#a7e1e561ce26f9be86978783bbd0dd496">spxprm::dawavvelo</a></div><div class="ttdeci">double dawavvelo</div><div class="ttdef"><b>Definition</b> spx.h:518</div></div>
<div class="ttc" id="astructspxprm_html_a84d43f663df39a476b33a9516f3662eb"><div class="ttname"><a href="structspxprm.html#a84d43f663df39a476b33a9516f3662eb">spxprm::dzoptwave</a></div><div class="ttdeci">double dzoptwave</div><div class="ttdef"><b>Definition</b> spx.h:515</div></div>
<div class="ttc" id="astructspxprm_html_a90656bb22c7fdb8c750ee5a16745334c"><div class="ttname"><a href="structspxprm.html#a90656bb22c7fdb8c750ee5a16745334c">spxprm::dwavefreq</a></div><div class="ttdeci">double dwavefreq</div><div class="ttdef"><b>Definition</b> spx.h:511</div></div>
<div class="ttc" id="astructspxprm_html_a947deca62dd508673f5b00f639d3af79"><div class="ttname"><a href="structspxprm.html#a947deca62dd508673f5b00f639d3af79">spxprm::padding</a></div><div class="ttdeci">void * padding</div><div class="ttdef"><b>Definition</b> spx.h:527</div></div>
<div class="ttc" id="astructspxprm_html_a968cf3d8e4b0d082c6d617f5a38344f7"><div class="ttname"><a href="structspxprm.html#a968cf3d8e4b0d082c6d617f5a38344f7">spxprm::zopt</a></div><div class="ttdeci">double zopt</div><div class="ttdef"><b>Definition</b> spx.h:500</div></div>
<div class="ttc" id="astructspxprm_html_a9c60b90b7911b9846b353991dbf38084"><div class="ttname"><a href="structspxprm.html#a9c60b90b7911b9846b353991dbf38084">spxprm::dfreqvrad</a></div><div class="ttdeci">double dfreqvrad</div><div class="ttdef"><b>Definition</b> spx.h:510</div></div>
<div class="ttc" id="astructspxprm_html_a9cab306f378116a9b9388bd215a98c0b"><div class="ttname"><a href="structspxprm.html#a9cab306f378116a9b9388bd215a98c0b">spxprm::dfreqwave</a></div><div class="ttdeci">double dfreqwave</div><div class="ttdef"><b>Definition</b> spx.h:511</div></div>
<div class="ttc" id="astructspxprm_html_aa37e50cd66795673d6bd43883a1be540"><div class="ttname"><a href="structspxprm.html#aa37e50cd66795673d6bd43883a1be540">spxprm::wavn</a></div><div class="ttdeci">double wavn</div><div class="ttdef"><b>Definition</b> spx.h:496</div></div>
<div class="ttc" id="astructspxprm_html_aa419711bf0079fff37d4adbae3278f5c"><div class="ttname"><a href="structspxprm.html#aa419711bf0079fff37d4adbae3278f5c">spxprm::dfreqener</a></div><div class="ttdeci">double dfreqener</div><div class="ttdef"><b>Definition</b> spx.h:508</div></div>
<div class="ttc" id="astructspxprm_html_aa6ef9cc07973932f19c48062199e6689"><div class="ttname"><a href="structspxprm.html#aa6ef9cc07973932f19c48062199e6689">spxprm::dfreqawav</a></div><div class="ttdeci">double dfreqawav</div><div class="ttdef"><b>Definition</b> spx.h:512</div></div>
<div class="ttc" id="astructspxprm_html_aa75c986198c4673e2caa30bd4ac73a30"><div class="ttname"><a href="structspxprm.html#aa75c986198c4673e2caa30bd4ac73a30">spxprm::dfreqafrq</a></div><div class="ttdeci">double dfreqafrq</div><div class="ttdef"><b>Definition</b> spx.h:507</div></div>
<div class="ttc" id="astructspxprm_html_ab232cb470b7f96330512dea46791644e"><div class="ttname"><a href="structspxprm.html#ab232cb470b7f96330512dea46791644e">spxprm::err</a></div><div class="ttdeci">struct wcserr * err</div><div class="ttdef"><b>Definition</b> spx.h:523</div></div>
<div class="ttc" id="astructspxprm_html_ab67c62285ad58f5f0c1a88cb15ac3408"><div class="ttname"><a href="structspxprm.html#ab67c62285ad58f5f0c1a88cb15ac3408">spxprm::ener</a></div><div class="ttdeci">double ener</div><div class="ttdef"><b>Definition</b> spx.h:495</div></div>
<div class="ttc" id="astructspxprm_html_ac0096d466fedc5ec61948044af06551d"><div class="ttname"><a href="structspxprm.html#ac0096d466fedc5ec61948044af06551d">spxprm::dfreqwavn</a></div><div class="ttdeci">double dfreqwavn</div><div class="ttdef"><b>Definition</b> spx.h:509</div></div>
<div class="ttc" id="astructspxprm_html_ac9e44005ceadafb8158df81fe022f46e"><div class="ttname"><a href="structspxprm.html#ac9e44005ceadafb8158df81fe022f46e">spxprm::dawavfreq</a></div><div class="ttdeci">double dawavfreq</div><div class="ttdef"><b>Definition</b> spx.h:512</div></div>
<div class="ttc" id="astructspxprm_html_acc8a46737906be2cee7cba0b2aa09d87"><div class="ttname"><a href="structspxprm.html#acc8a46737906be2cee7cba0b2aa09d87">spxprm::dbetavelo</a></div><div class="ttdeci">double dbetavelo</div><div class="ttdef"><b>Definition</b> spx.h:519</div></div>
<div class="ttc" id="astructspxprm_html_acfdb74852a20099c1cdc3b2cc8faa03b"><div class="ttname"><a href="structspxprm.html#acfdb74852a20099c1cdc3b2cc8faa03b">spxprm::dvelowave</a></div><div class="ttdeci">double dvelowave</div><div class="ttdef"><b>Definition</b> spx.h:517</div></div>
<div class="ttc" id="astructspxprm_html_ad3a5b851397a50e8644aeda10b184776"><div class="ttname"><a href="structspxprm.html#ad3a5b851397a50e8644aeda10b184776">spxprm::restwav</a></div><div class="ttdeci">double restwav</div><div class="ttdef"><b>Definition</b> spx.h:486</div></div>
<div class="ttc" id="astructspxprm_html_ae83f0b38ecd0b7b7b6afb6eb42a61fd4"><div class="ttname"><a href="structspxprm.html#ae83f0b38ecd0b7b7b6afb6eb42a61fd4">spxprm::velotype</a></div><div class="ttdeci">int velotype</div><div class="ttdef"><b>Definition</b> spx.h:488</div></div>
<div class="ttc" id="astructspxprm_html_aef53f8244101a4229518b25b08143d18"><div class="ttname"><a href="structspxprm.html#aef53f8244101a4229518b25b08143d18">spxprm::awav</a></div><div class="ttdeci">double awav</div><div class="ttdef"><b>Definition</b> spx.h:501</div></div>
<div class="ttc" id="astructspxprm_html_af252fd0c875bfe2dc99c56617ae2faa8"><div class="ttname"><a href="structspxprm.html#af252fd0c875bfe2dc99c56617ae2faa8">spxprm::dwaveawav</a></div><div class="ttdeci">double dwaveawav</div><div class="ttdef"><b>Definition</b> spx.h:516</div></div>
<div class="ttc" id="astructspxprm_html_af2a797bbae7610552aa9adfe75118908"><div class="ttname"><a href="structspxprm.html#af2a797bbae7610552aa9adfe75118908">spxprm::freq</a></div><div class="ttdeci">double freq</div><div class="ttdef"><b>Definition</b> spx.h:493</div></div>
<div class="ttc" id="astructwcserr_html"><div class="ttname"><a href="structwcserr.html">wcserr</a></div><div class="ttdoc">Error message handling.</div><div class="ttdef"><b>Definition</b> wcserr.h:243</div></div>
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