diff options
Diffstat (limited to 'sysdeps/arm/fegetround.c')
-rw-r--r-- | sysdeps/arm/fegetround.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sysdeps/arm/fegetround.c b/sysdeps/arm/fegetround.c new file mode 100644 index 0000000000..cb4cf1bce2 --- /dev/null +++ b/sysdeps/arm/fegetround.c @@ -0,0 +1,40 @@ +/* Return current rounding direction. + Copyright (C) 2004-2014 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 <fenv.h> +#include <fpu_control.h> +#include <arm-features.h> + + +int +fegetround (void) +{ + if (ARM_HAVE_VFP) + { + unsigned int temp; + + /* Get the current environment. */ + _FPU_GETCW (temp); + + return temp & FE_TOWARDZERO; + } + + /* The current soft-float implementation only handles TONEAREST. */ + return FE_TONEAREST; +} +libm_hidden_def (fegetround) |