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 /* 15 * fabs(x) returns the absolute value of x. 16 */ 17 18 #include "math.h" 19 #include "math_private.h" 20 21 double 22 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