legendre_exactness_test, a FORTRAN77 code which calls legendre_exactness(), which investigates the polynomial exactness of Gauss-Legendre quadrature rules for the interval [-1,+1].
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
legendre_exactness, a FORTRAN77 code which investigates the polynomial exactness of Gauss-Legendre quadrature rules for the interval [-1,+1].
LEG_O4 is a standard Gauss-Legendre order 4 rule.