src/math/fmaxf.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

#include <math.h>

float fmaxf(float x, float y)
{
	if (isnan(x))
		return y;
	if (isnan(y))
		return x;
	/* handle signed zeroes, see C99 Annex F.9.9.2 */
	if (signbit(x) != signbit(y))
		return signbit(x) ? y : x;
	return x < y ? y : x;
}


#ifdef TEST
int
main(void) {
	return 0;
}
#endif