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

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#ifndef LAMA_OPENMP_UTILS_HPP_
#define LAMA_OPENMP_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>

namespace lama
{

class LAMA_DLL_IMPORTEXPORT OpenMPUtils
{
public:
    template<typename ValueType, typename OtherValueType>
    static void scale ( ValueType mValues[],
                        const IndexType n,
                        const OtherValueType value );

    /*  This method is an implementation of UtilsInterface::validIndexes */

    static bool validIndexes( const IndexType array[], const IndexType n, const IndexType size );

    template<typename ValueType> 
    static ValueType sum( const ValueType array[], const IndexType n );

    template<typename ValueType> 
    static void setVal( ValueType array[], const IndexType n, const ValueType val );

    template<typename ValueType> 
    static void scaleVal( ValueType array[], const IndexType n, const ValueType val );

    template<typename ValueType> 
    static void setOrder( ValueType array[], const IndexType n );

    template<typename ValueType>
    static ValueType getValue( const ValueType* array, const IndexType i );

    template<typename ValueType>
    static ValueType maxval( const ValueType array[], const IndexType n );

    template<typename ValueType>
    static ValueType absMaxVal( const ValueType array[], const IndexType n );

    template<typename ValueType>
    static ValueType absMaxDiffVal( const ValueType array1[], const ValueType array2[], const IndexType n );

    template<typename ValueType1, typename ValueType2>
    static void set( ValueType1 out[], const ValueType2 in[], const IndexType n );

    template<typename ValueType1, typename ValueType2>
    static void setGather( ValueType1 out[], 
                           const ValueType2 in[],
                           const IndexType indexes[], 
                           const IndexType n );

    template<typename ValueType1, typename ValueType2>
    static void setScatter( ValueType1 out[], 
                            const IndexType indexes[], 
                            const ValueType2 in[],
                            const IndexType n );

    template<typename ValueType>
    static void invert( ValueType array[], const IndexType n );

    template<typename ValueType>
    static void scale( ValueType array[], const IndexType n, const ValueType val );

    static void setInterface( struct UtilsInterface& Utils );

private:

    LAMA_LOG_DECL_STATIC_LOGGER(logger);
};

}  // namespace lama

#endif //  LAMA_OPENMP_UTILS_HPP_