new audio engine backend for native CoreAudio audio I/O, and PortMIDI for MIDI.

Code builds, runs and functions. Full code review still pending, and some possibly changes to organization of code within the backend is possible

libs/backends/wavesaudio/wavesapi/miscutils/MinMaxUtilities.h

@@ -0,0 +1,122 @@
+/*
+    Copyright (C) 2013 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"
+
+// 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 _WINDOWS
+	#include <math.h>
+#define __abs(x)	abs(x) 
+#define __labs(x)	labs(x)
+#define __fabs(x)	fabs(x)
+#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 __MACOS__
+        #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(_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