(root)/
glibc-2.38/
sysdeps/
ia64/
fpu/
s_frexp.c
       1  /* file: frexp.c */
       2  
       3  
       4  // Copyright (c) 2000-2002, Intel Corporation
       5  // All rights reserved.
       6  //
       7  //
       8  // Redistribution and use in source and binary forms, with or without
       9  // modification, are permitted provided that the following conditions are
      10  // met:
      11  //
      12  // * Redistributions of source code must retain the above copyright
      13  // notice, this list of conditions and the following disclaimer.
      14  //
      15  // * Redistributions in binary form must reproduce the above copyright
      16  // notice, this list of conditions and the following disclaimer in the
      17  // documentation and/or other materials provided with the distribution.
      18  //
      19  // * The name of Intel Corporation may not be used to endorse or promote
      20  // products derived from this software without specific prior written
      21  // permission.
      22  
      23  //
      24  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      25  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      26  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      27  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
      28  // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
      29  // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      30  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
      31  // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
      32  // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
      33  // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      34  // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      35  //
      36  // Intel Corporation is the author of this code, and requests that all
      37  // problem reports or change requests be submitted to it directly at
      38  // http://www.intel.com/software/products/opensource/libraries/num.htm.
      39  //
      40  //
      41  // History
      42  //=====================================================================
      43  //  2/02/00  Initial version
      44  //  1/23/02  Calls kernel with parameter to specify 32- or 64-bit int
      45  //
      46  //=====================================================================
      47  
      48  #include "libm_support.h"
      49  
      50  double __libm_frexp(double, int*, int);
      51  
      52  double frexp(double x, int *y)
      53  {
      54  
      55  #ifdef SIZE_INT_64
      56     return( __libm_frexp(x, y, 1) );
      57  
      58  #else
      59  
      60  #ifdef SIZE_INT_32
      61     return( __libm_frexp(x, y, 0) );
      62  #endif
      63  
      64  #endif
      65  
      66  }
      67  libm_alias_double_other (frexp, frexp)