1 /* Software floating-point emulation.
2 Compare a and b, return float condition code.
3 Signal exception (unless masked) if unordered.
4 Copyright (C) 1997-2022 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
_Q_cmpe(const long double a,const long double b)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 }
38