1 /* @(#)s_fabs.c 5.1 93/09/24 */ 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 #include <sys/cdefs.h> 14 __FBSDID("$FreeBSD$"); 15 16 /* 17 * fabs(x) returns the absolute value of x. 18 */ 19 20 #include "math.h" 21 #include "math_private.h" 22 23 double 24 fabs(double x) 25 { 26 u_int32_t high; 27 GET_HIGH_WORD(high,x); 28 SET_HIGH_WORD(x,high&0x7fffffff); 29 return x; 30 } 31