diff options
Diffstat (limited to 'sysdeps/riscv/rvd/s_fmax.c')
-rw-r--r-- | sysdeps/riscv/rvd/s_fmax.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/riscv/rvd/s_fmax.c b/sysdeps/riscv/rvd/s_fmax.c new file mode 100644 index 0000000000..22e91bfc4b --- /dev/null +++ b/sysdeps/riscv/rvd/s_fmax.c @@ -0,0 +1,35 @@ +/* fmax(). 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 <math_private.h> +#include <libm-alias-double.h> + +double +__fmax (double x, double y) +{ + double res; + + if (__glibc_unlikely ((_FCLASS (x) | _FCLASS (y)) & _FCLASS_SNAN)) + return x + y; + else + asm ("fmax.d %0, %1, %2" : "=f" (res) : "f" (x), "f" (y)); + + return res; +} +libm_alias_double (__fmax, fmax) |