1/* -----------------------------------------------------------------------------
2 * See the LICENSE file for information on copyright, usage and redistribution
3 * of SWIG, and the README file for authors - http://www.swig.org/release.html.
4 *
5 * math.i
6 *
7 * SWIG library file for floating point operations.
8 * ----------------------------------------------------------------------------- */
9
10%module math
11%{
12#include <math.h>
13%}
14
15extern double	cos(double x);
16/* Cosine of x */
17
18extern double	sin(double x);
19/* Sine of x */
20
21extern double	tan(double x);
22/* Tangent of x */
23
24extern double	acos(double x);
25/* Inverse cosine in range [-PI/2,PI/2], x in [-1,1]. */
26
27extern double	asin(double x);
28/* Inverse sine in range [0,PI], x in [-1,1]. */
29
30extern double	atan(double x);
31/* Inverse tangent in range [-PI/2,PI/2]. */
32
33extern double	atan2(double y, double x);
34/* Inverse tangent of y/x in range [-PI,PI]. */
35
36extern double	cosh(double x);
37/* Hyperbolic cosine of x */
38
39extern double	sinh(double x);
40/* Hyperbolic sine of x */
41
42extern double	tanh(double x);
43/* Hyperbolic tangent of x */
44
45extern double	exp(double x);
46/* Natural exponential function e^x */
47
48extern double	log(double x);
49/* Natural logarithm ln(x), x > 0 */
50
51extern double	log10(double x);
52/* Base 10 logarithm, x > 0 */
53
54extern double	pow(double x, double y);
55/* Power function x^y. */
56
57extern double	sqrt(double x);
58/* Square root. x >= 0 */
59
60extern double	fabs(double x);
61/* Absolute value of x */
62
63extern double	ceil(double x);
64/* Smallest integer not less than x, as a double */
65
66extern double	floor(double x);
67/* Largest integer not greater than x, as a double */
68
69extern double	fmod(double x, double y);
70/* Floating-point remainder of x/y, with the same sign as x. */
71
72#define M_E		2.7182818284590452354
73#define M_LOG2E		1.4426950408889634074
74#define M_LOG10E	0.43429448190325182765
75#define M_LN2		0.69314718055994530942
76#define M_LN10		2.30258509299404568402
77#define M_PI		3.14159265358979323846
78#define M_PI_2		1.57079632679489661923
79#define M_PI_4		0.78539816339744830962
80#define M_1_PI		0.31830988618379067154
81#define M_2_PI		0.63661977236758134308
82#define M_2_SQRTPI	1.12837916709551257390
83#define M_SQRT2		1.41421356237309504880
84#define M_SQRT1_2	0.70710678118654752440
85
86