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 "math.h" 17 #include "math_private.h" 18 19 double 20 fabs(double x) 21 { 22 u_int32_t high; 23 GET_HIGH_WORD(high,x); 24 SET_HIGH_WORD(x,high&0x7fffffff); 25 return x; 26 } 27