1 /* Software floating-point emulation.
2 Return a * b
3 Copyright (C) 1997,1999 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Richard Henderson (rth@cygnus.com) and
6 Jakub Jelinek (jj@ultra.linux.cz).
7
8 The GNU C Library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Lesser General Public
10 License as published by the Free Software Foundation; either
11 version 2.1 of the License, or (at your option) any later version.
12
13 The GNU C Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
17
18 You should have received a copy of the GNU Lesser General Public
19 License along with the GNU C Library; if not, see
20 <http://www.gnu.org/licenses/>. */
21
22 #include "soft-fp.h"
23 #include "quad.h"
24
_Q_mul(const long double a,const long double b)25 long double _Q_mul(const long double a, const long double b)
26 {
27 FP_DECL_EX;
28 FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
29 long double c;
30
31 FP_INIT_ROUNDMODE;
32 FP_UNPACK_Q(A, a);
33 FP_UNPACK_Q(B, b);
34 FP_MUL_Q(C, A, B);
35 FP_PACK_Q(c, C);
36 FP_HANDLE_EXCEPTIONS;
37 return c;
38 }
39