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

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

#include "complex"

c_log(r, z)
complex *r, *z;
{
double log(), cabs(), atan2();

r->imag = atan2(z->imag, z->real);
r->real = log( cabs(z->real, z->imag) );
}
Commit	Line	Data
e88efc3a DW	1	/*
	2	* "@(#)c_log.c 1.1"
	3	*/
	4
	5	#include "complex"
	6
	7	c_log(r, z)
	8	complex r, z;
	9	{
	10	double log(), cabs(), atan2();
	11
	12	r->imag = atan2(z->imag, z->real);
	13	r->real = log( cabs(z->real, z->imag) );
	14	}