extern int v3p_netlib_dlaev2_(
  v3p_netlib_doublereal *a, 
  v3p_netlib_doublereal *b, 
  v3p_netlib_doublereal *c__, 
  v3p_netlib_doublereal *rt1, 
  v3p_netlib_doublereal *rt2, 
  v3p_netlib_doublereal *cs1, 
  v3p_netlib_doublereal *sn1
  );

