xref: /original-bsd/usr.bin/f77/libF77/z_exp.c (revision a9c19d04)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.  The Berkeley software License Agreement
4  * specifies the terms and conditions for redistribution.
5  *
6  *	@(#)z_exp.c	5.1	06/07/85
7  */
8 
9 #include "complex"
10 
11 z_exp(r, z)
12 dcomplex *r, *z;
13 {
14 double expx;
15 double exp(), cos(), sin();
16 
17 expx = exp(z->dreal);
18 r->dreal = expx * cos(z->dimag);
19 r->dimag = expx * sin(z->dimag);
20 }
21