Function generate_matrix

example/matrix_transpose.cpp:197–212

generate a matrix inside 'in' and do the tranposition inside 'out'

// generate a matrix inside 'in' and do the tranposition inside 'out'
void generate_matrix(std::vector<float>& in, std::vector<float>& out, uint_ rows, uint_ cols)
{
    // generate a matrix
    for(uint_ i = 0 ; i < rows ; ++i){
        for(uint_ j = 0 ; j < cols ; ++j){
            in[i*cols + j] = i*cols + j;
        }
    }

    // store transposed result
    for(uint_ j = 0; j < cols ; ++j){
        for(uint_ i = 0 ; i < rows ; ++i){
            out[j*rows + i] = in[i*cols + j];
        }
    }
}

// neccessary for 64-bit integer on win32
#ifdef _WIN32