xref: /haiku/src/system/libroot/posix/musl/math/fdim.c (revision f504f61099b010fbfa94b1cc63d2e9072c7f7185) 
1*f504f610SAugustin Cavalier #include <math.h>
2*f504f610SAugustin Cavalier 
fdim(double x,double y)3*f504f610SAugustin Cavalier double fdim(double x, double y)
4*f504f610SAugustin Cavalier {
5*f504f610SAugustin Cavalier 	if (isnan(x))
6*f504f610SAugustin Cavalier 		return x;
7*f504f610SAugustin Cavalier 	if (isnan(y))
8*f504f610SAugustin Cavalier 		return y;
9*f504f610SAugustin Cavalier 	return x > y ? x - y : 0;
10*f504f610SAugustin Cavalier }
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