summaryrefslogtreecommitdiff
path: root/src/math/fmin.c
blob: 08a8fd17f29e3759b972b04d123c1194aed68254 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
#include <math.h>

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