/*: Computes eigenvalues and eigenvectors of a real symmetric generalized eigenproblem ax = lambda bx. */ extern int v3p_netlib_rsg_( v3p_netlib_integer v3p_netlib_const *nm, /*!< (IN) leading dimension of matrices */ v3p_netlib_integer v3p_netlib_const *n, /*!< (IN) order of the square matrices a and b */ v3p_netlib_doublereal *a, /*!< (IN) real symmetric matrix */ v3p_netlib_doublereal *b, /*!< (IN) positive definite real symm matrix */ v3p_netlib_doublereal *w, /*!< (OUT) eigenvalues in ascending order */ v3p_netlib_integer v3p_netlib_const *matz, /*!< (IN) set nonzero if eigenvectors wanted */ v3p_netlib_doublereal *z__, /*!< (OUT) eigenvectors */ v3p_netlib_doublereal *fv1, v3p_netlib_doublereal *fv2, /*!< scratch */ v3p_netlib_integer *ierr /*!< (OUT) normal completion code is 0 */ );