1 | #include "SDL_internal.h" |
2 | /* |
3 | * ==================================================== |
4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
5 | * |
6 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
7 | * Permission to use, copy, modify, and distribute this |
8 | * software is freely granted, provided that this notice |
9 | * is preserved. |
10 | * ==================================================== |
11 | */ |
12 | |
13 | /* |
14 | * fabs(x) returns the absolute value of x. |
15 | */ |
16 | |
17 | /*#include <features.h>*/ |
18 | /* Prevent math.h from defining a colliding inline */ |
19 | #undef __USE_EXTERN_INLINES |
20 | #include "math_libm.h" |
21 | #include "math_private.h" |
22 | |
23 | double fabs(double x) |
24 | { |
25 | u_int32_t high; |
26 | GET_HIGH_WORD(high,x); |
27 | SET_HIGH_WORD(x,high&0x7fffffff); |
28 | return x; |
29 | } |
30 | libm_hidden_def(fabs) |
31 | |