[unix-history] / usr / src / usr.bin / f77 / libF77 / d_cnjg.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_cnjg.c	5.3	%G%
 */

#include "complex"
#ifdef tahoe
#include <tahoe/math/FP.h>
#endif

d_cnjg(r, z)
dcomplex *r, *z;
{
r->dreal = z->dreal;
#ifndef tahoe
r->dimag = - z->dimag;
#else tahoe
r->dimag = z->dimag;
if (z->dimag == 0.0)
	return;
else
	*(unsigned long *)&(z->dimag) ^= SIGN_BIT;
#endif tahoe
}
Commit	Line	Data
ceb0890f	1	/*
9fee1f06 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	*
a8b283ea	6	* @(#)d_cnjg.c 5.3 %G%
ceb0890f DW	7	*/
	8
	9	#include "complex"
af857331	10	#ifdef tahoe
a8b283ea KB	11	#include <tahoe/math/FP.h>
a8b283ea KB	12	#endif
ceb0890f DW	13
	14	d_cnjg(r, z)
	15	dcomplex r, z;
	16	{
	17	r->dreal = z->dreal;
af857331	18	#ifndef tahoe
ceb0890f	19	r->dimag = - z->dimag;
af857331 KM	20	#else tahoe
	21	r->dimag = z->dimag;
	22	if (z->dimag == 0.0)
	23	return;
	24	else
	25	(unsigned long )&(z->dimag) ^= SIGN_BIT;
	26	#endif tahoe
ceb0890f	27	}