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86 lines
2.2 KiB
86 lines
2.2 KiB
5 years ago
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/* -----------------------------------------------------------------------------
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* See the LICENSE file for information on copyright, usage and redistribution
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* of SWIG, and the README file for authors - http://www.swig.org/release.html.
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*
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* math.i
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*
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* SWIG library file for floating point operations.
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* ----------------------------------------------------------------------------- */
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%module math
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%{
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#include <math.h>
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%}
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extern double cos(double x);
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/* Cosine of x */
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extern double sin(double x);
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/* Sine of x */
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extern double tan(double x);
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/* Tangent of x */
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extern double acos(double x);
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/* Inverse cosine in range [-PI/2,PI/2], x in [-1,1]. */
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extern double asin(double x);
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/* Inverse sine in range [0,PI], x in [-1,1]. */
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extern double atan(double x);
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/* Inverse tangent in range [-PI/2,PI/2]. */
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extern double atan2(double y, double x);
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/* Inverse tangent of y/x in range [-PI,PI]. */
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extern double cosh(double x);
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/* Hyperbolic cosine of x */
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extern double sinh(double x);
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/* Hyperbolic sine of x */
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extern double tanh(double x);
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/* Hyperbolic tangent of x */
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extern double exp(double x);
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/* Natural exponential function e^x */
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extern double log(double x);
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/* Natural logarithm ln(x), x > 0 */
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extern double log10(double x);
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/* Base 10 logarithm, x > 0 */
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extern double pow(double x, double y);
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/* Power function x^y. */
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extern double sqrt(double x);
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/* Square root. x >= 0 */
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extern double fabs(double x);
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/* Absolute value of x */
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extern double ceil(double x);
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/* Smallest integer not less than x, as a double */
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extern double floor(double x);
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/* Largest integer not greater than x, as a double */
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extern double fmod(double x, double y);
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/* Floating-point remainder of x/y, with the same sign as x. */
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#define M_E 2.7182818284590452354
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#define M_LOG2E 1.4426950408889634074
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#define M_LOG10E 0.43429448190325182765
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#define M_LN2 0.69314718055994530942
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_PI_2 1.57079632679489661923
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#define M_PI_4 0.78539816339744830962
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#define M_1_PI 0.31830988618379067154
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#define M_2_PI 0.63661977236758134308
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#define M_2_SQRTPI 1.12837916709551257390
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#define M_SQRT2 1.41421356237309504880
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#define M_SQRT1_2 0.70710678118654752440
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