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 fabs(double x)22double 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