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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 16:03:01 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 16:03:01 +0000
commit14970231a38310b9561052a67b617138eeaad300 (patch)
tree35c201a651afa5d5e4fff241280081b3f88b9c2c /sysdeps/riscv/rvd/s_fma.c
parentf08c7420b5e8b017a1a47b880a62b15bdc588f4d (diff)
parent25ead03a3712d57df2208fe82f3d316eb8faeaf6 (diff)
Merge commit 'refs/top-bases/t/extern_inline' into t/extern_inline
Diffstat (limited to 'sysdeps/riscv/rvd/s_fma.c')
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1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/riscv/rvd/s_fma.c b/sysdeps/riscv/rvd/s_fma.c
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+/* Double precision floating point fused multiply-add. RISC-V version.
+ Copyright (C) 2017-2018 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.
+
+ 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 <fenv.h>
+#include <ieee754.h>
+#include <libm-alias-double.h>
+
+double
+__fma (double x, double y, double z)
+{
+ asm ("fmadd.d %0, %1, %2, %3" : "=f" (x) : "f" (x), "f" (y), "f" (z));
+ return x;
+}
+libm_alias_double (__fma, fma)