xref: /aosp_15_r20/external/musl/src/math/fdim.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453) 
1*c9945492SAndroid Build Coastguard Worker #include <math.h>
2*c9945492SAndroid Build Coastguard Worker 
fdim(double x,double y)3*c9945492SAndroid Build Coastguard Worker double fdim(double x, double y)
4*c9945492SAndroid Build Coastguard Worker {
5*c9945492SAndroid Build Coastguard Worker 	if (isnan(x))
6*c9945492SAndroid Build Coastguard Worker 		return x;
7*c9945492SAndroid Build Coastguard Worker 	if (isnan(y))
8*c9945492SAndroid Build Coastguard Worker 		return y;
9*c9945492SAndroid Build Coastguard Worker 	return x > y ? x - y : 0;
10*c9945492SAndroid Build Coastguard Worker }
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