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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libm/src/s_cacosl.c	Lines:	0	2	0.0 %
Date:	2017-11-13	Branches:	0	0	0.0 %


/*	$OpenBSD: s_cacosl.c,v 1.3 2011/07/20 21:02:51 martynas Exp $	*/

/*
 * Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*							cacosl()
 *
 *	Complex circular arc cosine
 *
 *
 *
 * SYNOPSIS:
 *
 * long double complex cacosl();
 * long double complex z, w;
 *
 * w = cacosl( z );
 *
 *
 *
 * DESCRIPTION:
 *
 *
 * w = arccos z  =  PI/2 - arcsin z.
 *
 *
 *
 *
 * ACCURACY:
 *
 *                      Relative error:
 * arithmetic   domain     # trials      peak         rms
 *    DEC       -10,+10      5200      1.6e-15      2.8e-16
 *    IEEE      -10,+10     30000      1.8e-14      2.2e-15
 */

#include <complex.h>
#include <math.h>

static const long double PIO2L = 1.570796326794896619231321691639751442098585L;

long double complex
cacosl(long double complex z)
{
	long double complex w;

	w = casinl(z);
	w = (PIO2L - creall(w)) - cimagl(w) * I;
	return (w);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: s_cacosl.c,v 1.3 2011/07/20 21:02:51 martynas Exp $ */
2
3			/*
4			* Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18
19			/* cacosl()
20			*
21			* Complex circular arc cosine
22			*
23			*
24			*
25			* SYNOPSIS:
26			*
27			* long double complex cacosl();
28			* long double complex z, w;
29			*
30			* w = cacosl( z );
31			*
32			*
33			*
34			* DESCRIPTION:
35			*
36			*
37			* w = arccos z = PI/2 - arcsin z.
38			*
39			*
40			*
41			*
42			* ACCURACY:
43			*
44			* Relative error:
45			* arithmetic domain # trials peak rms
46			* DEC -10,+10 5200 1.6e-15 2.8e-16
47			* IEEE -10,+10 30000 1.8e-14 2.2e-15
48			*/
49
50			#include <complex.h>
51			#include <math.h>
52
53			static const long double PIO2L = 1.570796326794896619231321691639751442098585L;
54
55			long double complex
56			cacosl(long double complex z)
57			{
58			long double complex w;
59
60			w = casinl(z);
61			w = (PIO2L - creall(w)) - cimagl(w) * I;
62			return (w);
63			}