c_exp.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

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

#include "complex"

c_exp(r, z)
complex *r, *z;
{
double expx;
double exp(), cos(), sin();

expx = exp(z->real);
r->real = expx * cos(z->imag);
r->imag = expx * sin(z->imag);
}