1/* gsl_pow_int.h
2 *
3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2004, 2007 Gerard Jungman, Brian Gough
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19
20#ifndef __GSL_POW_INT_H__
21#define __GSL_POW_INT_H__
22#include <gsl/gsl_inline.h>
23
24#undef __BEGIN_DECLS
25#undef __END_DECLS
26#ifdef __cplusplus
27# define __BEGIN_DECLS extern "C" {
28# define __END_DECLS }
29#else
30# define __BEGIN_DECLS /* empty */
31# define __END_DECLS /* empty */
32#endif
33
34__BEGIN_DECLS
35
36INLINE_DECL double gsl_pow_2(const double x);
37INLINE_DECL double gsl_pow_3(const double x);
38INLINE_DECL double gsl_pow_4(const double x);
39INLINE_DECL double gsl_pow_5(const double x);
40INLINE_DECL double gsl_pow_6(const double x);
41INLINE_DECL double gsl_pow_7(const double x);
42INLINE_DECL double gsl_pow_8(const double x);
43INLINE_DECL double gsl_pow_9(const double x);
44
45#ifdef HAVE_INLINE
46INLINE_FUN double gsl_pow_2(const double x) { return x*x; }
47INLINE_FUN double gsl_pow_3(const double x) { return x*x*x; }
48INLINE_FUN double gsl_pow_4(const double x) { double x2 = x*x; return x2*x2; }
49INLINE_FUN double gsl_pow_5(const double x) { double x2 = x*x; return x2*x2*x; }
50INLINE_FUN double gsl_pow_6(const double x) { double x2 = x*x; return x2*x2*x2; }
51INLINE_FUN double gsl_pow_7(const double x) { double x3 = x*x*x; return x3*x3*x; }
52INLINE_FUN double gsl_pow_8(const double x) { double x2 = x*x; double x4 = x2*x2; return x4*x4; }
53INLINE_FUN double gsl_pow_9(const double x) { double x3 = x*x*x; return x3*x3*x3; }
54#endif
55
56double gsl_pow_int(double x, int n);
57double gsl_pow_uint(double x, unsigned int n);
58
59__END_DECLS
60
61#endif /* __GSL_POW_INT_H__ */
62