diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/nearbyint.c')
-rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/nearbyint.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/nearbyint.c b/lib/mlibc/options/ansi/musl-generic-math/nearbyint.c new file mode 100644 index 0000000..f4e8aac --- /dev/null +++ b/lib/mlibc/options/ansi/musl-generic-math/nearbyint.c @@ -0,0 +1,20 @@ +#include <fenv.h> +#include <math.h> + +/* nearbyint is the same as rint, but it must not raise the inexact exception */ + +double nearbyint(double x) +{ +#ifdef FE_INEXACT + #pragma STDC FENV_ACCESS ON + int e; + + e = fetestexcept(FE_INEXACT); +#endif + x = rint(x); +#ifdef FE_INEXACT + if (!e) + feclearexcept(FE_INEXACT); +#endif + return x; +} |