xref: /openbsd-src/lib/libm/src/s_cimag.c (revision d13be5d47e4149db2549a9828e244d59dbc43f15)
1 /*	$OpenBSD: s_cimag.c,v 1.2 2011/07/08 19:25:31 martynas Exp $	*/
2 /*
3  * Copyright (c) 2008 Martynas Venckus <martynas@openbsd.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /* LINTLIBRARY */
19 
20 #include <sys/cdefs.h>
21 #include <complex.h>
22 #include <float.h>
23 #include <math.h>
24 
25 double
26 cimag(double complex z)
27 {
28 	return __imag__ z;
29 }
30 
31 #if	LDBL_MANT_DIG == 53
32 #ifdef	lint
33 /* PROTOLIB1 */
34 long double cimagl(long double complex);
35 #else	/* lint */
36 __weak_alias(cimagl, cimag);
37 #endif	/* lint */
38 #endif	/* LDBL_MANT_DIG == 53 */
39