double* ConvLayer::calculate()
{

        for(int img_width = 0; img_width < (m_ydim - m_inydim + 1); img_width++)
                for(int img_height = 0; img_height < (m_zdim - m_inzdim + 1); img_height++)
                        for(int filter = 0; filter < m_kdim; filter++)
                        {
                                double filt_tot = 0;
                                for(int filt_x = 0; filt_x < m_inxdim; filt_x++)
                                        for(int filt_y = 0; filt_y < m_inydim; filt_y++)
                                                for(int filt_z = 0; filt_z < m_inzdim; filt_z++)
                                                        filt_tot += get_value_us(m_input[filt_x][img_width + filt_y][img_height + filt_z] * m_weights[filter][filt_x][filt_y][filt_z]);
                                m_output[filter][img_width][img_height] = filt_tot;
                        }