Method normalize

Marlin/src/libs/vector_3.cpp:68–68

float vector_3::magnitude() const { return SQRT(sq(x) + sq(y) + sq(z)); }

void vector_3::normalize() { *this *= RSQRT(sq(x) + sq(y) + sq(z)); }

// Apply a rotation to the matrix
void vector_3::apply_rotation(const matrix_3x3 &matrix) {