* Here we test GiNaC's Clifford algebra objects. */
/*
- * GiNaC Copyright (C) 1999-2005 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2007 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "exams.h"
+#include <iostream>
+#include "ginac.h"
+using namespace std;
+using namespace GiNaC;
const numeric half(1, 2);
result += check_equal(canonicalize_clifford(e), 0);
/* lst_to_clifford() and clifford_inverse() check*/
- realsymbol x("x"), y("y"), t("t"), z("z");
+ realsymbol s("s"), t("t"), x("x"), y("y"), z("z");
ex c = clifford_unit(nu, A, 1);
e = lst_to_clifford(lst(t, x, y, z), mu, A, 1) * lst_to_clifford(lst(1, 2, 3, 4), c);
e1 = clifford_inverse(e);
result += check_equal_simplify_term2((e*e1).simplify_indexed(), dirac_ONE(1));
+/* lst_to_clifford() and clifford_to_lst() check for vectors*/
+ e = lst(t, x, y, z);
+ result += check_equal_lst(clifford_to_lst(lst_to_clifford(e, c), c, false), e);
+ result += check_equal_lst(clifford_to_lst(lst_to_clifford(e, c), c, true), e);
+
+/* lst_to_clifford() and clifford_to_lst() check for pseudovectors*/
+ e = lst(s, t, x, y, z);
+ result += check_equal_lst(clifford_to_lst(lst_to_clifford(e, c), c, false), e);
+ result += check_equal_lst(clifford_to_lst(lst_to_clifford(e, c), c, true), e);
+
/* Moebius map (both forms) checks for symmetric metrics only */
matrix M1(2, 2), M2(2, 2);
c = clifford_unit(nu, A);
unsigned result = 0;
cout << "examining clifford objects" << flush;
- clog << "----------clifford objects:" << endl;
result += clifford_check1(); cout << '.' << flush;
result += clifford_check2(); cout << '.' << flush;
result += clifford_check7(indexed(-2*minkmetric(), sy_symm(), xi, chi), dim); cout << '.' << flush;
result += clifford_check7(-2*delta_tensor(xi, chi), dim); cout << '.' << flush;
- if (!result) {
- cout << " passed " << endl;
- clog << "(no output)" << endl;
- } else {
- cout << " failed " << endl;
- }
-
return result;
}
+
+int main(int argc, char** argv)
+{
+ return exam_clifford();
+}