source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Halton.cpp @ 2839

#include "common.h"
#include "Halton.h"


float Halton2::_invBases[2];

template<int T> float Halton<T>::_invBases[T];
  
Halton<1> dummmyHalton1(true);
Halton<2> dummmyHalton2(true);
Halton<3> dummmyHalton3(true);
Halton<4> dummmyHalton4(true);
Halton<5> dummmyHalton5(true);
Halton<6> dummmyHalton6(true);


int HaltonSequence::sPregeneratedDim = 0;
int HaltonSequence::sPregeneratedNumber = 0;
float *HaltonSequence::sPregeneratedValues = NULL;


// special construtor for pregenerating static halton sequences
HaltonSequence::HaltonSequence(const int dim, const int number) 
{

        sPregeneratedDim = 0;
        sPregeneratedNumber = 0;
        sPregeneratedValues = new float[number*dim];

        float *p = sPregeneratedValues;

        for (int i=0; i < number; i++, p+=dim) 
        {
                GetNext(dim, p);
        }

        sPregeneratedDim = dim;
        sPregeneratedNumber = number;
}


void HaltonSequence::GetNext(const int dimensions, float *p)
{
        for (int i = 0; i < dimensions; ++ i)
                p[i] = (float)GetNumber(i + 1);

        GenerateNext();
}