- renamed configure.in to configure.ac as suggested in the autoconf docs

[ginac.git] / check / exam_indexed.cpp

diff --git a/check/exam_indexed.cpp b/check/exam_indexed.cpp
index e4da3f8721500de83e86a363303fb0fb3a054346..9c7a92a08d8cca85443771b2b01f96e2567bfef2 100644 (file)
--- a/check/exam_indexed.cpp
+++ b/check/exam_indexed.cpp
@@ -123,21 +123,26 @@ static unsigned epsilon_check(void)
        symbol s_mu("mu"), s_nu("nu"), s_rho("rho"), s_sigma("sigma"), s_tau("tau");
        symbol d("d");
        varidx mu(s_mu, 4), nu(s_nu, 4), rho(s_rho, 4), sigma(s_sigma, 4), tau(s_tau, 4);
        symbol s_mu("mu"), s_nu("nu"), s_rho("rho"), s_sigma("sigma"), s_tau("tau");
        symbol d("d");
        varidx mu(s_mu, 4), nu(s_nu, 4), rho(s_rho, 4), sigma(s_sigma, 4), tau(s_tau, 4);

+       varidx mu_co(s_mu, 4, true), nu_co(s_nu, 4, true), rho_co(s_rho, 4, true), sigma_co(s_sigma, 4, true), tau_co(s_tau, 4, true);

 
        // antisymmetry
        result += check_equal(lorentz_eps(mu, nu, rho, sigma) + lorentz_eps(sigma, rho, mu, nu), 0);
 
        // convolution is zero
 
        // antisymmetry
        result += check_equal(lorentz_eps(mu, nu, rho, sigma) + lorentz_eps(sigma, rho, mu, nu), 0);
 
        // convolution is zero

-       result += check_equal(lorentz_eps(mu, nu, rho, nu.toggle_variance()), 0);
-       result += check_equal(lorentz_eps(mu, nu, mu.toggle_variance(), nu.toggle_variance()), 0);
-       result += check_equal_simplify(lorentz_g(mu.toggle_variance(), nu.toggle_variance()) * lorentz_eps(mu, nu, rho, sigma), 0);
+       result += check_equal(lorentz_eps(mu, nu, rho, nu_co), 0);
+       result += check_equal(lorentz_eps(mu, nu, mu_co, nu_co), 0);
+       result += check_equal_simplify(lorentz_g(mu_co, nu_co) * lorentz_eps(mu, nu, rho, sigma), 0);

 
        // contraction with symmetric tensor is zero
 
        // contraction with symmetric tensor is zero

-       result += check_equal_simplify(lorentz_eps(mu, nu, rho, sigma) * indexed(d, indexed::symmetric, mu.toggle_variance(), nu.toggle_variance()), 0);
-       result += check_equal_simplify(lorentz_eps(mu, nu, rho, sigma) * indexed(d, indexed::symmetric, nu.toggle_variance(), sigma.toggle_variance(), rho.toggle_variance()), 0);
-       ex e = lorentz_eps(mu, nu, rho, sigma) * indexed(d, indexed::symmetric, mu.toggle_variance(), tau);
+       result += check_equal_simplify(lorentz_eps(mu, nu, rho, sigma) * indexed(d, sy_symm(), mu_co, nu_co), 0);
+       result += check_equal_simplify(lorentz_eps(mu, nu, rho, sigma) * indexed(d, sy_symm(), nu_co, sigma_co, rho_co), 0);
+       ex e = lorentz_eps(mu, nu, rho, sigma) * indexed(d, sy_symm(), mu_co, tau);

        result += check_equal_simplify(e, e);
 
        result += check_equal_simplify(e, e);
 

+       // contractions of epsilon tensors
+       result += check_equal_simplify(lorentz_eps(mu, nu, rho, sigma) * lorentz_eps(mu_co, nu_co, rho_co, sigma_co), -24);
+       result += check_equal_simplify(lorentz_eps(tau, nu, rho, sigma) * lorentz_eps(mu_co, nu_co, rho_co, sigma_co), -6 * delta_tensor(tau, mu_co));
+

        return result;
 }
 
        return result;
 }
 


@@ -151,22 +156,32 @@ static unsigned symmetry_check(void)
        symbol A("A"), B("B");
        ex e;
 
        symbol A("A"), B("B");
        ex e;
 

-       result += check_equal(indexed(A, indexed::symmetric, i, j), indexed(A, indexed::symmetric, j, i));
-       result += check_equal(indexed(A, indexed::antisymmetric, i, j) + indexed(A, indexed::antisymmetric, j, i), 0);
-       result += check_equal(indexed(A, indexed::antisymmetric, i, j, k) - indexed(A, indexed::antisymmetric, j, k, i), 0);
-       e = indexed(A, indexed::symmetric, i, j, k) *
-           indexed(B, indexed::antisymmetric, l, k, i);
+       result += check_equal(indexed(A, sy_symm(), i, j), indexed(A, sy_symm(), j, i));
+       result += check_equal(indexed(A, sy_anti(), i, j) + indexed(A, sy_anti(), j, i), 0);
+       result += check_equal(indexed(A, sy_anti(), i, j, k) - indexed(A, sy_anti(), j, k, i), 0);
+       e = indexed(A, sy_symm(), i, j, k) *
+           indexed(B, sy_anti(), l, k, i);

        result += check_equal_simplify(e, 0);
        result += check_equal_simplify(e, 0);

-       e = indexed(A, indexed::symmetric, i, i, j, j) *
-           indexed(B, indexed::antisymmetric, k, l); // GiNaC 0.8.0 had a bug here
+       e = indexed(A, sy_symm(), i, i, j, j) *
+           indexed(B, sy_anti(), k, l); // GiNaC 0.8.0 had a bug here

        result += check_equal_simplify(e, e);
 
        result += check_equal_simplify(e, e);
 

+       symmetry R = sy_symm(sy_anti(0, 1), sy_anti(2, 3));
+       e = indexed(A, R, i, j, k, l) + indexed(A, R, j, i, k, l);
+       result += check_equal(e, 0);
+       e = indexed(A, R, i, j, k, l) + indexed(A, R, i, j, l, k);
+       result += check_equal(e, 0);
+       e = indexed(A, R, i, j, k, l) - indexed(A, R, j, i, l, k);
+       result += check_equal(e, 0);
+       e = indexed(A, R, i, j, k, l) + indexed(A, R, k, l, j, i);
+       result += check_equal(e, 0);
+

        e = indexed(A, i, j);
        result += check_equal(symmetrize(e) + antisymmetrize(e), e);
        e = indexed(A, i, j);
        result += check_equal(symmetrize(e) + antisymmetrize(e), e);

-       e = indexed(A, indexed::symmetric, i, j, k, l);
+       e = indexed(A, sy_symm(), i, j, k, l);

        result += check_equal(symmetrize(e), e);
        result += check_equal(antisymmetrize(e), 0);
        result += check_equal(symmetrize(e), e);
        result += check_equal(antisymmetrize(e), 0);

-       e = indexed(A, indexed::antisymmetric, i, j, k, l);
+       e = indexed(A, sy_anti(), i, j, k, l);

        result += check_equal(symmetrize(e), 0);
        result += check_equal(antisymmetrize(e), e);
 
        result += check_equal(symmetrize(e), 0);
        result += check_equal(antisymmetrize(e), e);