[unix-history] / usr / src / usr.bin / f77 / libF77 / d_sign.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)d_sign.c	5.1	%G%
 */

double d_sign(a,b)
double *a, *b;
{
double x;
x = (*a >= 0 ? *a : - *a);
return( *b >= 0 ? x : -x);
}
Commit	Line	Data
43e8ae4b	1	/*
6cb9a2a2 RE	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_sign.c 5.1 %G%
43e8ae4b DW	7	*/
	8
	9	double d_sign(a,b)
	10	double a, b;
	11	{
	12	double x;
	13	x = (a >= 0 ? a : - *a);
	14	return( *b >= 0 ? x : -x);
	15	}