diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/rint.c')
-rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/rint.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/rint.c b/lib/mlibc/options/ansi/musl-generic-math/rint.c deleted file mode 100644 index fbba390..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/rint.c +++ /dev/null @@ -1,28 +0,0 @@ -#include <float.h> -#include <math.h> -#include <stdint.h> - -#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1 -#define EPS DBL_EPSILON -#elif FLT_EVAL_METHOD==2 -#define EPS LDBL_EPSILON -#endif -static const double_t toint = 1/EPS; - -double rint(double x) -{ - union {double f; uint64_t i;} u = {x}; - int e = u.i>>52 & 0x7ff; - int s = u.i>>63; - double_t y; - - if (e >= 0x3ff+52) - return x; - if (s) - y = x - toint + toint; - else - y = x + toint - toint; - if (y == 0) - return s ? -0.0 : 0; - return y; -} |