[unix-history] / lib / libF77 / z_exp.c

#include "f2c.h"

#ifdef KR_headers
double exp(), cos(), sin();
VOID z_exp(r, z) doublecomplex *r, *z;
#else
#undef abs
#include "math.h"
void z_exp(doublecomplex *r, doublecomplex *z)
#endif
{
double expx;

expx = exp(z->r);
r->r = expx * cos(z->i);
r->i = expx * sin(z->i);
}
Commit	Line	Data
547779a8 WH	1	#include "f2c.h"
	2
	3	#ifdef KR_headers
	4	double exp(), cos(), sin();
	5	VOID z_exp(r, z) doublecomplex r, z;
	6	#else
	7	#undef abs
	8	#include "math.h"
	9	void z_exp(doublecomplex r, doublecomplex z)
	10	#endif
	11	{
	12	double expx;
	13
	14	expx = exp(z->r);
	15	r->r = expx * cos(z->i);
	16	r->i = expx * sin(z->i);
	17	}