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 #include <sys/cdefs.h> 13 /* 14 * fabs(x) returns the absolute value of x. 15 */ 16 17 #include "math.h" 18 #include "math_private.h" 19 20 double 21 fabs(double x) 22 { 23 u_int32_t high; 24 GET_HIGH_WORD(high,x); 25 SET_HIGH_WORD(x,high&0x7fffffff); 26 return x; 27 } 28