src/math/fdim.c


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

#include <math.h>

double fdim(double x, double y)
{
	if (isnan(x))
		return x;
	if (isnan(y))
		return y;
	return x > y ? x - y : 0;
}


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