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livetrax/libs/backends/wavesaudio/wavesapi/MiscUtils/MinMaxUtilities.h
Paul Davis 000609901b add correct copyright statements to all files in Waves backend except those derived from portaudio/portmidi
This follows the letter sent from Waves Audio Ltd. to Paul Davis dated February 20th 2014 agreeing to release this code
under the GNU Public License, version 2, with copyright owned by Waves Audio Ltd
2014-10-07 16:17:34 -04:00

134 lines
3.6 KiB
C++

/*
Copyright (C) 2014 Waves Audio Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __MinMaxUtilities_h__
#define __MinMaxUtilities_h__
/* copy to include
#include "MiscUtils/MinMaxUtilities.h"
*/
#include "BasicTypes/WUDefines.h"
#include "BasicTypes/WUMathConsts.h"
#include "WavesPublicAPI/wstdint.h"
#ifdef __GNUC__
#undef round
#endif
// New accelerated templates
#if defined ( __cplusplus ) && !defined (__WUMinMax)
#define __WUMinMax // Also defined in Nativepr.h
template<class T> inline T WUMin(const T &a, const T &b) {return (a < b) ? a : b;} // requires only < to be defined for T
template<class T> inline T WUMax(const T &a,const T &b) {return (a < b) ? b : a;} // requires only < to be defined for T
template<class T> inline T WUMinMax(const T &Smallest, const T &Biggest, const T &Val) // requires only < to be defined for T
{
return ((Val < Smallest) ? Smallest : ((Biggest < Val) ? Biggest : Val));
}
/*
// Min and Max
template<class T> inline T WUMin(T a,T b) {return (a < b) ? a : b;} // requires only < to be defined for T
template<class T> inline T WUMax(T a,T b) {return (a < b) ? b : a;} // requires only < to be defined for T
template<class T> inline T WUMinMax(T SMALLEST, T BIGGEST, T X) // requires only < to be defined for T
{
return ((X < SMALLEST) ? SMALLEST : ((BIGGEST < X) ? BIGGEST : X));
}
*/
// Absolute value
#ifdef PLATFORM_WINDOWS
#include <math.h>
#ifndef __GNUC__
#define __abs(x) abs(x)
#define __labs(x) labs(x)
#define __fabs(x) fabs(x)
#endif
#endif
#ifdef __GNUC__
#include <iostream> // why don't know makes it work need to check
#include <cstdlib>
#include <cmath>
#define __abs(x) std::abs(x)
#define __labs(x) std::labs(x)
#define __fabs(x) std::fabs(x)
#endif
#ifdef __APPLE__
#ifdef __GNUC__
#include <iostream> // why don't know makes it work need to check
#include <cmath>
#define __abs(x) std::abs(x)
#define __labs(x) std::labs(x)
#define __fabs(x) std::fabs(x)
#endif
#endif
// log2: on Windows there's no proper definition for log2, whereas on other platform there is.
#ifndef WUlog2
#if defined(PLATFORM_WINDOWS)
#define WUlog2(x) (kdOneOverLog2 * log10((x)))
#else
#define WUlog2(x) log2(x)
#endif
#endif
template <class T> inline T WUAbs(const T &xA)
{
return (xA > T(0))? xA: -xA;
}
template <> inline int WUAbs(const int &xA)
{
return __abs(xA);
}
//template <> inline int32_t WUAbs(const int32_t &xA)// 64BitConversion
//{
// return __labs(xA);
//}
template <> inline float WUAbs(const float &xA)
{
return (float) __fabs(xA);
}
template <> inline double WUAbs(const double &xA)
{
return __fabs(xA);
}
#endif
int32_t DllExport WURand(intptr_t in_Seed);
int32_t DllExport WURand();
int32_t DllExport rand_gen_formula(int32_t rndSeed);
template <class T> inline bool WUIsEqualWithTolerance(const T &xA, const T &xB, const T &xTolerance)
{
return (WUAbs(xA - xB) < xTolerance) ? true : false;
}
#endif