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author | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2013-07-03 19:45:29 +0000 |
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committer | joseph <joseph@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2013-07-03 19:45:29 +0000 |
commit | e82a195fdeb7d40d392e9733b45f443f11fc7424 (patch) | |
tree | a9d32f5b54fe6a084b33a2e5b4c245152dde8970 /libc/soft-fp/fmasf4.c | |
parent | 46062ca8edd487299e9c317b53598d973bce7c7f (diff) | |
download | eglibc2-e82a195fdeb7d40d392e9733b45f443f11fc7424.tar.gz |
Merge changes between r23421 and r23438 from /fsf/trunk.
git-svn-id: svn://svn.eglibc.org/trunk@23439 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/soft-fp/fmasf4.c')
-rw-r--r-- | libc/soft-fp/fmasf4.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libc/soft-fp/fmasf4.c b/libc/soft-fp/fmasf4.c new file mode 100644 index 000000000..e8d60fb19 --- /dev/null +++ b/libc/soft-fp/fmasf4.c @@ -0,0 +1,51 @@ +/* Implement fmaf using soft-fp. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include "soft-fp.h" +#include "single.h" + +float +__fmaf (float a, float b, float c) +{ + FP_DECL_EX; + FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(C); FP_DECL_S(R); + float r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_S(A, a); + FP_UNPACK_S(B, b); + FP_UNPACK_S(C, c); + FP_FMA_S(R, A, B, C); + FP_PACK_S(r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} +#ifndef __fmaf +weak_alias (__fmaf, fmaf) +#endif |