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