| /* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. | |
| * | |
| * Permission to use, copy, modify, and distribute this software | |
| * is freely granted, provided that this notice is preserved. | |
| */ | |
| #include "math.h" | |
| #include "math_private.h" | |
| double fdim(double x, double y) | |
| { | |
| int c = __fpclassify(x); | |
| if (c == FP_NAN || c == FP_INFINITE) | |
| return HUGE_VAL; | |
| return x > y ? x - y : 0.0; | |
| } | |
| libm_hidden_def(fdim) |