|| || || || || || || ||

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MatFunc.h

Go to the documentation of this file.

#ifndef Impala_Core_Matrix_MatFunc_h
#define Impala_Core_Matrix_MatFunc_h

//#include "Data/Basis/CxStd.h"
//#include "Data/Basis/CxStream.h"
//#include "Core/Array/Element/NativeTypes.h"
//#include "Data/Container/CxArrayFunc.h"

namespace Impala
{
namespace Core
{
namespace Matrix
{


/******************* matrix inquiry *******************/

template<class ArrayT>
inline int
MatNrRow(ArrayT* array)
{
    return array->mCH;
}

template<class ArrayT>
inline int
MatNrCol(ArrayT* array)
{
    return array->mCW;
}

template<class ArrayT>
inline int
MatNrElem(ArrayT* array)
{
    return array->mCW * array->mCH;
}

template<class ArrayT>
inline int
MatInc(ArrayT* array, int r, int c)
{
    return r * array->W() * ArrayT::ElemSize() + c * ArrayT::ElemSize();
}

// Dirty : only valid for scalar and bw == 0 and bh == 0!
template<class ArrayT>
inline typename ArrayT::StorType*
MatE(ArrayT* array, int r=0, int c=0)
{
    //return array->mData + MatInc(array, r, c);
    return array->mData + r*array->mCW + c;
}

/******************* matrix manipulation *******************/

/* please remember: this function does *not* initialize memory.
   use SetVal(matrix, 0.0) afterwards to initialize to 0. */
template<class ArrayT>
ArrayT*
MatCreate(int nRow, int nCol, typename ArrayT::StorType* data = 0,
          bool isWrapper = false)
{
    return new ArrayT(nCol, nRow, 0, 0, data, isWrapper);
}

} // namespace Matrix
} // namespace Core
} // namespace Impala

#endif

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