X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=check%2Fexam_indexed.cpp;h=b7c12ba2ad2a52d11ac4d613caf3343f83ff5d91;hb=8e766b8f740363f97369d07668a6609ef6d62d65;hp=69816a74bcf81c34160d69fddf6a8b9344163340;hpb=68fdf425abf14d016d5f95ee7b9d06a19a3c5926;p=ginac.git

diff --git a/check/exam_indexed.cpp b/check/exam_indexed.cpp
index 69816a74..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)
 {
@@ -241,19 +244,17 @@ static unsigned edyn_check()
 
 	// Lorentz transformation matrix (boost along x axis)
 	matrix L(4, 4);
-	L(0, 0) = gamma;
-	L(0, 1) = -beta*gamma;
-	L(1, 0) = -beta*gamma;
-	L(1, 1) = gamma;
-	L(2, 2) = 1; L(3, 3) = 1;
+	L =       gamma, -beta*gamma, 0, 0,
+	    -beta*gamma,       gamma, 0, 0,
+	              0,           0, 1, 0,
+	              0,           0, 0, 1;
 
 	// Electromagnetic field tensor
-	matrix F(4, 4, lst(
-		 0, -Ex, -Ey, -Ez,
+	matrix F(4, 4);
+	F =  0, -Ex, -Ey, -Ez,
 		Ex,   0, -Bz,  By,
 		Ey,  Bz,   0, -Bx,
-		Ez, -By,  Bx,   0
-	));
+		Ez, -By,  Bx,   0;
 
 	// Indices
 	symbol s_mu("mu"), s_nu("nu"), s_rho("rho"), s_sigma("sigma");
@@ -377,6 +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;
 }
 
@@ -385,7 +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;
@@ -396,12 +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();
+}