diff options
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/ilogb.c')
| -rw-r--r-- | lib/mlibc/options/ansi/musl-generic-math/ilogb.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/ilogb.c b/lib/mlibc/options/ansi/musl-generic-math/ilogb.c deleted file mode 100644 index 64d4015..0000000 --- a/lib/mlibc/options/ansi/musl-generic-math/ilogb.c +++ /dev/null @@ -1,26 +0,0 @@ -#include <limits.h> -#include "libm.h" - -int ilogb(double x) -{ - #pragma STDC FENV_ACCESS ON - union {double f; uint64_t i;} u = {x}; - uint64_t i = u.i; - int e = i>>52 & 0x7ff; - - if (!e) { - i <<= 12; - if (i == 0) { - FORCE_EVAL(0/0.0f); - return FP_ILOGB0; - } - /* subnormal x */ - for (e = -0x3ff; i>>63 == 0; e--, i<<=1); - return e; - } - if (e == 0x7ff) { - FORCE_EVAL(0/0.0f); - return i<<12 ? FP_ILOGBNAN : INT_MAX; - } - return e - 0x3ff; -} |