X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fexam_indexed.cpp;h=69816a74bcf81c34160d69fddf6a8b9344163340;hp=4d09bdff625303e7badfb2427b9c2dc30e8ee312;hb=a775c17c710b9fbca130b2f638a0f463b8b56585;hpb=ee1af48a44dbe1e3b743c3683cd3601deb7ce0ed

diff --git a/check/exam_indexed.cpp b/check/exam_indexed.cpp
index 4d09bdff..69816a74 100644
--- a/check/exam_indexed.cpp
+++ b/check/exam_indexed.cpp
@@ -3,7 +3,7 @@
  *  Here we test manipulations on GiNaC's indexed objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 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
@@ -55,7 +55,7 @@ static unsigned check_equal_simplify(const ex &e1, const ex &e2, const scalar_pr
 	return 0;
 }
 
-static unsigned delta_check(void)
+static unsigned delta_check()
 {
 	// checks identities of the delta tensor
 
@@ -81,7 +81,7 @@ static unsigned delta_check(void)
 	return result;
 }
 
-static unsigned metric_check(void)
+static unsigned metric_check()
 {
 	// checks identities of the metric tensor
 
@@ -114,7 +114,7 @@ static unsigned metric_check(void)
 	return result;
 }
 
-static unsigned epsilon_check(void)
+static unsigned epsilon_check()
 {
 	// checks identities of the epsilon tensor
 
@@ -148,7 +148,12 @@ static unsigned epsilon_check(void)
 	return result;
 }
 
-static unsigned symmetry_check(void)
+DECLARE_FUNCTION_2P(symm_fcn)
+REGISTER_FUNCTION(symm_fcn, set_symmetry(sy_symm(0, 1)));
+DECLARE_FUNCTION_2P(anti_fcn)
+REGISTER_FUNCTION(anti_fcn, set_symmetry(sy_anti(0, 1)));
+
+static unsigned symmetry_check()
 {
 	// check symmetric/antisymmetric objects
 
@@ -190,10 +195,14 @@ static unsigned symmetry_check(void)
 	e = (indexed(A, sy_anti(), i, j, k, l) * (indexed(B, j) * indexed(C, k) + indexed(B, k) * indexed(C, j)) + indexed(B, i, l)).expand();
 	result += check_equal_simplify(e, indexed(B, i, l));
 
+	result += check_equal(symm_fcn(0, 1) + symm_fcn(1, 0), 2*symm_fcn(0, 1));
+	result += check_equal(anti_fcn(0, 1) + anti_fcn(1, 0), 0);
+	result += check_equal(anti_fcn(0, 0), 0);
+
 	return result;
 }
 
-static unsigned scalar_product_check(void)
+static unsigned scalar_product_check()
 {
 	// check scalar product replacement
 
@@ -216,7 +225,7 @@ static unsigned scalar_product_check(void)
 	return result;
 }
 
-static unsigned edyn_check(void)
+static unsigned edyn_check()
 {
 	// Relativistic electrodynamics
 
@@ -303,7 +312,7 @@ static unsigned edyn_check(void)
 	return result;
 }
 
-static unsigned spinor_check(void)
+static unsigned spinor_check()
 {
 	// check identities of the spinor metric
 
@@ -338,7 +347,7 @@ static unsigned spinor_check(void)
 	return result;
 }
 
-static unsigned dummy_check(void)
+static unsigned dummy_check()
 {
 	// check dummy index renaming/repositioning
 
@@ -371,7 +380,7 @@ static unsigned dummy_check(void)
 	return result;
 }
 
-unsigned exam_indexed(void)
+unsigned exam_indexed()
 {
 	unsigned result = 0;