X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fexam_indexed.cpp;h=b7c12ba2ad2a52d11ac4d613caf3343f83ff5d91;hp=9deb4870e6bbf492971f32856ca2cee240005074;hb=502e76319b484c32246707e33e70a428ac5dc6ad;hpb=6d1e12e7c09d1e70d6c76b57aafb213cbcfba6eb;ds=sidebyside

diff --git a/check/exam_indexed.cpp b/check/exam_indexed.cpp
index 9deb4870..b7c12ba2 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) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -17,10 +17,13 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  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;
 
 static unsigned check_equal(const ex &e1, const ex &e2)
 {
@@ -375,6 +378,15 @@ static unsigned dummy_check()
 	e = indexed(p, mu.toggle_variance(), mu) - indexed(p, nu, nu.toggle_variance());
 	result += check_equal_simplify(e, 0);
 
+	// GiNaC 1.2.1 had a bug here because p.i*p.i -> (p.i)^2
+	e = indexed(p, i) * indexed(p, i) * indexed(p, j) + indexed(p, j);
+	ex fi = exprseq(e.get_free_indices());
+	if (!fi.is_equal(exprseq(j))) {
+		clog << "get_free_indices(" << e << ") erroneously returned "
+		     << fi << " instead of (.j)" << endl;
+		++result;
+	}
+
 	return result;
 }
 
@@ -383,7 +395,6 @@ unsigned exam_indexed()
 	unsigned result = 0;
 	
 	cout << "examining indexed objects" << flush;
-	clog << "----------indexed objects:" << endl;
 
 	result += delta_check();  cout << '.' << flush;
 	result += metric_check();  cout << '.' << flush;
@@ -394,12 +405,10 @@ unsigned exam_indexed()
 	result += spinor_check(); cout << '.' << flush;
 	result += dummy_check(); 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_indexed();
+}