1  /* Divide _Float128 values, converting the result to _Float64x.
       2     Copyright (C) 2018-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <math.h>
      20  #include <math-narrow.h>
      21  #include <tininess.h>
      22  
      23  /* math_ldbl.h defines _Float128 to long double for this directory,
      24     but when they are different, this function must be defined with
      25     _Float128 arguments to avoid defining an alias with an incompatible
      26     type.  */
      27  #undef _Float128
      28  
      29  _Float64x
      30  __f64xdivf128 (_Float128 x, _Float128 y)
      31  {
      32  #if __HAVE_FLOAT64X_LONG_DOUBLE && __HAVE_DISTINCT_FLOAT128
      33    NARROW_DIV_ROUND_TO_ODD (x, y, _Float64x, union ieee854_long_double, l,
      34  			   mantissa3, TININESS_AFTER_ROUNDING);
      35  #else
      36    NARROW_DIV_TRIVIAL (x, y, _Float64x);
      37  #endif
      38  }
      39  libm_alias_float64x_float128 (div)