mirror of https://gitlab.com/rnger/amath
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*-
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* Copyright (c) 2015-2017 Carsten Sonne Larsen <cs@innolan.dk>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef LIBAMATH_REAL_H
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#define LIBAMATH_REAL_H
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/**
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* @file math.h
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* @brief Functions in math library for handling real numbers.
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*
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* The library is based on fdlib by Sun Microsystems.
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* The original library can be downloaded at:
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* http://www.netlib.org/fdlibm/
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*
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* or from mirros site:
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* http://www.hensa.ac.uk/
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*
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* All headers and dates are preserved.
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*
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*/
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#define PI 3.141592653589793238462643383279
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#define EULERS 2.718281828459045235360287471352
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#define sgn(x) x > 0.0 ? 1.0 : x < 0.0 ? -1.0 : 0.0
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#define log2p(x,y) log(x)/log(y)
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#ifdef __cplusplus
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extern "C" {
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#endif
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int isnan(double x);
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int finite(double x);
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double fabs(double x);
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double ceil(double x);
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double floor(double x);
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double round(double x);
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double trunc(double x);
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double exp(double x);
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double sqrt(double x);
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double cbrt(double x);
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double log(double x);
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double log10(double x);
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double cos(double x);
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double sin(double x);
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double tan(double x);
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double acos(double x);
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double asin(double x);
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double atan(double x);
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double cosh(double x);
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double sinh(double x);
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double tanh(double x);
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double acosh(double x);
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double asinh(double x);
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double atanh(double x);
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double pow(double x, double y);
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double fmod(double x, double y);
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double atan2(double y, double x);
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double hypot(double x, double y);
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double log1p(double x);
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double expm1(double x);
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double scalbn (double x, int n);
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double copysign(double x, double y);
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int rempio2(double x, double *y);
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#ifdef __cplusplus
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}
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#endif
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#endif
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