rework langinfo code for ABI compat and for use by time code
[musl] / src / math / __signbitf.c
1 #include "libm.h"
2
3 // FIXME: macro in math.h
4 int __signbitf(float x)
5 {
6         union {
7                 float f;
8                 uint32_t i;
9         } y = { x };
10         return y.i>>31;
11 }