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

#include "f2c.h"

#ifdef KR_headers
extern double exp(), cos(), sin();

 VOID c_exp(r, z) complex *r, *z;
#else
#undef abs
#include "math.h"

void c_exp(complex *r, complex *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	extern double exp(), cos(), sin();
	5
	6	VOID c_exp(r, z) complex r, z;
	7	#else
	8	#undef abs
	9	#include "math.h"
	10
	11	void c_exp(complex r, complex z)
	12	#endif
	13	{
	14	double expx;
	15
	16	expx = exp(z->r);
	17	r->r = expx * cos(z->i);
	18	r->i = expx * sin(z->i);
	19	}