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