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