aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/ansi/musl-generic-math/__signbitf.c
blob: 40ad3cfd0cbe6e4d420df2c8b3f9355bf4152cd5 (plain)
1
2
3
4
5
6
7
8
9
10
11
#include "libm.h"

// FIXME: macro in math.h
int __signbitf(float x)
{
	union {
		float f;
		uint32_t i;
	} y = { x };
	return y.i>>31;
}