WinMath.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
// Visit http://www.johndcook.com/stand_alone_code.html for the source of this code and more like it.
 
#ifndef GAMMA_H
#define GAMMA_H
 
// Note that the functions Gamma and LogGamma are mutually dependent.
double LogGamma(double);
double Gamma(double);
 
#if defined(_MSC_VER) && (_MSC_VER <= 1700)
// http://social.msdn.microsoft.com/Forums/en-US/Vsexpressvc/thread/25c923af-a824-40f8-8fd4-e5574bc147af/
double asinh(double value);
 
// http://stackoverflow.com/questions/15539116/atanh-arc-hyperbolic-tangent-function-missing-in-ms-visual-c
double atanh(double x); //implements: return (log(1+x) - log(1-x))/2
#endif
 
#endif