fix return value of ungetc when argument is outside unsigned char range

[musl.git] / src / math / fabsf.c

#include <math.h>
#include <stdint.h>

float fabsf(float x)
{
        union {float f; uint32_t i;} u = {x};
        u.i &= 0x7fffffff;
        return u.f;
}