475 this->data[0]*_m(0, 0) + this->data[1]*_m(1, 0) +
476 this->data[2]*_m(2, 0) + this->data[3]*_m(3, 0),
477 this->data[0]*_m(0, 1) + this->data[1]*_m(1, 1) +
478 this->data[2]*_m(2, 1) + this->data[3]*_m(3, 1),
479 this->data[0]*_m(0, 2) + this->data[1]*_m(1, 2) +
480 this->data[2]*_m(2, 2) + this->data[3]*_m(3, 2),
481 this->data[0]*_m(0, 3) + this->data[1]*_m(1, 3) +
482 this->data[2]*_m(2, 3) + this->data[3]*_m(3, 3));
539 return equal<T>(this->data[0], _v[0], _tol)
540 && equal<T>(this->data[1], _v[1], _tol)
541 && equal<T>(this->data[2], _v[2], _tol)
542 && equal<T>(this->data[3], _v[3], _tol);