initial import of differential evolution engine

derand.inl

@@ -0,0 +1,69 @@
+#ifndef __derand_inl__
+#define __derand_inl__
+
+
+#if !(defined(__derand_h__))
+#	 error "derand.inl should only be included by derand.h"
+#endif
+
+
+inline void DE::Random::Seed(u32 seed)
+{
+	this->seed = seed;
+}
+
+inline DE::u32 DE::Random::Rand()
+{
+	seed = ( (seed * DE::Random::MULTIPLIER) + DE::Random::INCREMENT );
+	seed %= DE::Random::MODULUS;
+	
+	return seed;
+}
+
+inline DE::u32 DE::Random::operator()()
+{
+	return this->Rand();
+}
+
+inline float DE::Random::RandFloat()
+{
+	return (float)Rand() / (float)DE::Random::U32_MAX;
+}
+
+inline float DE::Random::RandFloat(float min, float max)
+{
+	return ( RandFloat() * (max - min) + min );
+}
+
+inline double DE::Random::RandDouble()
+{
+	return (double)Rand() / (double)DE::Random::U32_MAX;
+}
+
+inline double DE::Random::RandDouble(double min, double max)
+{
+	return ( RandDouble() * (max - min) + min );
+}
+
+inline DE::u32 DE::Random::RandU32()
+{
+	return Rand();
+}
+
+inline DE::u32 DE::Random::RandU32(DE::u32 min, DE::u32 max)
+{
+	return ( ( Rand() % (max - min) ) + min );
+}
+
+inline DE::s32 DE::Random::RandS32()
+{
+	return (DE::s32)Rand();
+}
+
+inline DE::s32 DE::Random::RandS32(DE::s32 min, DE::s32 max)
+{
+	return (DE::s32)( ( Rand() % (max - min) ) + min );
+}
+
+#endif // __derand_inl__
+