Pointer Matrix*Vector implementation

gistfile1.cpp

const double* b_p = &(B.data()[0]);
double* w_p = &(W.data()[0]);

uint32 rows = B.size1();
uint32 cols = B.size2();

for( uint32 i = 0; i < rows; i++ ) //For each row
{  
    myX[i] = 0;
    double* w_p_row = w_p;

    for( uint32 j = 0; j < cols; j++ ) //For each col
    {  
        myX[i] += *(b_p++) * *(w_p_row++);
    }
}