/*- * Copyright (c) 1980 The Regents of the University of California. * All rights reserved. * * This module is believed to contain source code proprietary to AT&T. * Use and redistribution is subject to the Berkeley Software License * Agreement and your Software Agreement with AT&T (Western Electric). */ #ifndef lint static char sccsid[] = "@(#)z_exp.c 5.2 (Berkeley) 4/12/91"; #endif /* not lint */ #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); }