aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/ansi/musl-generic-math/modff.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/modff.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/modff.c34
1 files changed, 0 insertions, 34 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/modff.c b/lib/mlibc/options/ansi/musl-generic-math/modff.c
deleted file mode 100644
index 639514e..0000000
--- a/lib/mlibc/options/ansi/musl-generic-math/modff.c
+++ /dev/null
@@ -1,34 +0,0 @@
-#include "libm.h"
-
-float modff(float x, float *iptr)
-{
- union {float f; uint32_t i;} u = {x};
- uint32_t mask;
- int e = (int)(u.i>>23 & 0xff) - 0x7f;
-
- /* no fractional part */
- if (e >= 23) {
- *iptr = x;
- if (e == 0x80 && u.i<<9 != 0) { /* nan */
- return x;
- }
- u.i &= 0x80000000;
- return u.f;
- }
- /* no integral part */
- if (e < 0) {
- u.i &= 0x80000000;
- *iptr = u.f;
- return x;
- }
-
- mask = 0x007fffff>>e;
- if ((u.i & mask) == 0) {
- *iptr = x;
- u.i &= 0x80000000;
- return u.f;
- }
- u.i &= ~mask;
- *iptr = u.f;
- return x - u.f;
-}