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  }