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

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OutProduct.h

Go to the documentation of this file.

#ifndef Impala_Core_Vector_OutProduct_h
#define Impala_Core_Vector_OutProduct_h

namespace Impala
{
namespace Core
{
namespace Vector
{




template <class ElemT>
inline void
OutProduct(VectorTem<ElemT>* &dst, VectorTem<ElemT>& v1, VectorTem<ElemT>& v2)
{
    int len = v1.Size() * v2.Size();
    if (!dst->Valid() )
        dst = new Vector::VectorTem<ElemT>(len);

    ElemT* p1 = v1.GetData();
    ElemT* p2 = v2.GetData();
    for (int i=0 ; i<v1.Size() ; i++)
        for (int j=0 ; j<v2.Size() ; j++)
        {
            int idx = j+(i*v2.Size());
            (*dst)[idx] = p1[i] * p2[j];
        }
}




} // namespace Vector
} // namespace Core
} // namespace Impala

#endif

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