G4ArrayOps.hh

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/*
 * File:   G4ArrayOps.hh
 * Author: B. Wendt (wendbryc@isu.edu)
 *
 * Created on July 28, 2012, 16:08
 */

// All the arrays that use the functions in this namespace MUST have a
// [] (bracket) operator for element-wise access

#ifndef G4ARRAYOPS_HH
#define G4ARRAYOPS_HH

#include <vector>

#include "globals.hh"

namespace G4ArrayOps
{
    template< class T >
    void Set( G4int Elements,
               T* To,
               T Value )
    {
        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = Value;
        }
    }

    template< class T >
    void Copy( G4int Elements,
               T* To,
               T* From )
    {
        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = From[position];
        }
    }

    template< class T >
    void Add( G4int Elements,
              T* To,
              T* A1,
              T* A2 = NULL )
    {
        if(A2 == NULL)
        {
            A2 = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = A2[position] + A1[position];
        }
    }

    template< class T >
    void Add( G4int Elements,
              T* To,
              T A1,
              T* A2 = NULL )
    {
        if(A2 == NULL)
        {
            A2 = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = A1 + A2[position];
        }
    }

    template< class T >
    void Subtract( G4int Elements,
                   T* To,
                   T* Minuend,
                   T* Subtrahend = NULL )
    {
        if(Subtrahend == NULL)
        {
            Subtrahend = Minuend;
            Minuend = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = Minuend[position] - Subtrahend[position];
        }
    }

    template< class T >
    void Multiply( G4int Elements,
                   T* To,
                   T* M1,
                   T* M2 = NULL )
    {
        if(M2 == NULL)
        {
            M2 = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = M2[position] * M1[position];
        }
    }

    template< class T >
    void Multiply( G4int Elements,
                   T* To,
                   T M1,
                   T* M2 = NULL )
    {
        if(M2 == NULL)
        {
            M2 = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = M2[position] * M1;
        }
    }

    template< class T >
    void Divide( G4int Elements,
                 T* To,
                 T* Numerator,
                 T* Denominator = NULL )
    {
        if(Denominator == NULL)
        {
            Denominator = Numerator;
            Numerator = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = Numerator[position] / Denominator[position];
        }
    }

    template< class T >
    void Divide( G4int Elements,
                 T* To,
                 T Numerator,
                 T* Denominator = NULL )
    {
        if(Denominator == NULL)
        {
            Denominator = To;
        }

        for(G4int position = 0; position < Elements; position++)
        {
            To[position] = Numerator / Denominator[position];
        }
    }

    template< class T >
    void DeleteVectorOfPointers( std::vector< T >& Vector )
    {
      for(unsigned int i = 0; i < Vector.size(); i++)
      {
      delete Vector[i];
    }

      delete &Vector;
    }
}

#endif