[unix-history] / usr / src / usr.lib / libF77 / z_log.c

/*
 *	"@(#)z_log.c	1.1"
 */

#include "complex"

z_log(r, z)
dcomplex *r, *z;
{
double log(), cabs(), atan2();

r->dimag = atan2(z->dimag, z->dreal);
r->dreal = log( cabs( z->dreal, z->dimag ) );
}
Commit	Line	Data
dad9cd46 DW	1	/*
	2	* "@(#)z_log.c 1.1"
	3	*/
	4
	5	#include "complex"
	6
	7	z_log(r, z)
	8	dcomplex r, z;
	9	{
	10	double log(), cabs(), atan2();
	11
	12	r->dimag = atan2(z->dimag, z->dreal);
	13	r->dreal = log( cabs( z->dreal, z->dimag ) );
	14	}