(root)/
glibc-2.38/
math/
s_fminmag_template.c
       1  /* Return value with minimum magnitude.
       2     Copyright (C) 2016-2023 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  
      21  FLOAT
      22  M_DECL_FUNC (__fminmag) (FLOAT x, FLOAT y)
      23  {
      24    FLOAT ax = M_FABS (x);
      25    FLOAT ay = M_FABS (y);
      26    if (isless (ax, ay))
      27      return x;
      28    else if (isgreater (ax, ay))
      29      return y;
      30    else if (ax == ay)
      31      return x < y ? x : y;
      32    else if (issignaling (x) || issignaling (y))
      33      return x + y;
      34    else
      35      return isnan (y) ? x : y;
      36  }
      37  
      38  declare_mgen_alias (__fminmag, fminmag);