/home/brandes/workspace/LAMA/src/lama/openmp/OpenMPDenseUtils.hpp

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#ifndef LAMA_OPENMP_DENSE_UTILS_HPP_
#define LAMA_OPENMP_DENSE_UTILS_HPP_

// for dll_import
#include <lama/config.hpp>

// others
#include <lama/LAMATypes.hpp>

// assert
#include <lama/exception/LAMAAssert.hpp>

// logging
#include <logging/logging.hpp>

#include <cmath>

namespace lama
{

class LAMA_DLL_IMPORTEXPORT OpenMPDenseUtils
{
public:

    template<typename DenseValueType>
    static void getCSRSizes( IndexType csrSizes[],
                             bool diagonalFlag,
                             const IndexType numRows,
                             const IndexType numColumns,
                             const DenseValueType denseValues[],
                             const DenseValueType eps );

    template<typename DenseValueType, typename CSRValueType>
    static void getCSRValues( IndexType csrJA[],
                              CSRValueType csrValues[],
                              const IndexType csrIA[],
                              const bool diagonalFlag,
                              const IndexType numRows,
                              const IndexType numColumns,
                              const DenseValueType denseValues[],
                              const DenseValueType eps );

    template<typename DenseValueType1, typename DenseValueType2>
    static void copyDenseValues( DenseValueType1 newValues[],
                                 const IndexType numRows,
                                 const IndexType numColumns,
                                 const DenseValueType2 oldValues[] );

    template<typename DenseValueType, typename CSRValueType>
    static void setCSRValues( DenseValueType denseValues[],
                              const IndexType numRows,
                              const IndexType numColumns,
                              const IndexType csrIA[],
                              const IndexType csrJA[],
                              const CSRValueType csrValues[] );

    template<typename DiagonalValueType, typename DenseValueType>
    static void getDiagonal( DiagonalValueType diagonalValues[],
                             const IndexType numDiagonalValues,
                             const DenseValueType denseValues[],
                             const IndexType numRows,
                             const IndexType numColumns );

    template<typename DenseValueType, typename DiagonalValueType>
    static void setDiagonal( DenseValueType denseValues[],
                             const IndexType numRows,
                             const IndexType numColumns,
                             const DiagonalValueType diagonalValues[],
                             const IndexType numDiagonalValues );

    template<typename DenseValueType>
    static void scaleValue( DenseValueType denseValues[],
                            const IndexType numRows,
                            const IndexType numColumns,
                            const DenseValueType val );

    template<typename DenseValueType>
    static void setDiagonalValue( DenseValueType denseValues[],
                                  const IndexType numRows,
                                  const IndexType numColumns,
                                  const DenseValueType val );

    static void setInterface( struct DenseUtilsInterface& DenseUtils );

private:

    static inline IndexType denseindex( const IndexType i, const IndexType j,
                                        const IndexType /* numRows */, const IndexType numColumns )
    {
        return i * numColumns + j;
    }

    LAMA_LOG_DECL_STATIC_LOGGER( logger );

};

/* --------------------------------------------------------------------------- */

}  // namespace lama

#endif  //  LAMA_DENSE_STORAGE_UTILS_HPP_