1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)d_abs.c 5.1 06/07/85 7 */ 8 9 double d_abs(x) 10 double *x; 11 { 12 if(*x >= 0) 13 return(*x); 14 return(- *x); 15 } 16