1  /* Return minimum number of X and Y.
       2     Copyright (C) 1997-2023 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 (__fminimum_num) (FLOAT x, FLOAT y)
      23  {
      24    if (isless (x, y))
      25      return x;
      26    else if (isgreater (x, y))
      27      return y;
      28    else if (x == y)
      29      return (M_COPYSIGN (1, x) <= M_COPYSIGN (1, y) ? x : y);
      30    else
      31      return isnan (y) ? (isnan (x) ? x + y : x) : y;
      32  }
      33  declare_mgen_alias (__fminimum_num, fminimum_num);