/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ /* * SCCSID: @(#)c_exp.c 3.0 4/22/86 */ #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); }