householder fun issue

[ryfsinphy]

the householder() function: else if (fabs(_x->data[0]) <= APPROXIMATELY_ZERO){ _//the w Matrix should copy from _x not point to.., cause w will be released on the end(meanwhile the x will be released as well..); w = Matrix_copy(_x); //_x;
w = M_numul(w, 1 / M_norm(w, 2)); }