sysdeps/sparc/sparc32/q_cmpe.c

   1 /* Software floating-point emulation.
   2    Compare a and b, return float condition code.
   3    Signal exception (unless masked) if unordered.
   4    Copyright (C) 1997-2023 Free Software Foundation, Inc.
   5    This file is part of the GNU C Library.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, see
  19    <https://www.gnu.org/licenses/>.  */
  20
  21 #include "soft-fp.h"
  22 #include "quad.h"
  23
  24 int _Q_cmpe(const long double a, const long double b)
  25 {
  26   FP_DECL_EX;
  27   FP_DECL_Q(A); FP_DECL_Q(B);
  28   int r;
  29
  30   FP_UNPACK_RAW_Q(A, a);
  31   FP_UNPACK_RAW_Q(B, b);
  32   FP_CMP_Q(r, B, A, 3, 2);
  33   if (r == -1) r = 2;
  34   FP_HANDLE_EXCEPTIONS;
  35
  36   return r;
  37 }