z_exp.c

unix v7是最后一个广泛发布的研究型UNIX版本

#include "complex"

z_exp(r, z)
dcomplex *r, *z;
{
double expx;
double exp(), cos(), sin();

expx = exp(z->dreal);
r->dreal = expx * cos(z->dimag);
r->dimag = expx * sin(z->dimag);
}