CachedFunction1D.cpp

#include "CachedFunction1D.h"

namespace SctData{
    
    CachedFunction1D::CachedFunction1D(double min, double max, double delta, double (*function) (double) ) throw() :
    min(min), max(max), delta(delta), function(function) {
    
    //Make sure min and max are definately included in range
    nvalue= (int)(ceil(max/delta) - floor(min/delta));
    
    values=new double[nvalue];
    makeTable();
    invdelta= 1./ delta;
    }
    
    CachedFunction1D::~CachedFunction1D() throw() {
    delete [] values;
    }
    
    void CachedFunction1D::makeTable() throw() {
    for ( int i=0; i<nvalue; ++i){ 
        double xx = min + delta*i;
        values[i] = (*function)(xx) ;
    };
    }

}

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