MATRIX_X_UNIT
bmp = MATRIX_X_UNIT(x, 0);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, j);
tmp_bmp = MATRIX_X_UNIT(tmp_matrix, j);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, 0);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, 0);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(matrix, 0);
bmp = MATRIX_X_UNIT(matrix, i);
bmp = MATRIX_X_UNIT(dds_matrix, i);
bmp = MATRIX_X_UNIT(dd_matrix, i);
bmp = MATRIX_X_UNIT(x, 0);