X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fexam_archive.cpp;h=10ed3ffb2d8f72d72f5af431d3778f99fd4b736e;hp=97962d7a637bc8cd34b4ab7381f1b16b07a8e536;hb=69815a366be5ca81185386d94268d7e7dcce94e3;hpb=83a7ee99a947cbbf331018b803ad6be43a9ccd45

diff --git a/check/exam_archive.cpp b/check/exam_archive.cpp
index 97962d7a..10ed3ffb 100644
--- a/check/exam_archive.cpp
+++ b/check/exam_archive.cpp
@@ -3,7 +3,7 @@
  *  Here we test GiNaC's archiving system. */
 
 /*
- *  GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2020 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
@@ -20,12 +20,13 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <iostream>
-#include <fstream>
 #include "ginac.h"
-using namespace std;
 using namespace GiNaC;
 
+#include <fstream>
+#include <iostream>
+using namespace std;
+
 unsigned exam_archive()
 {
 	unsigned result = 0;
@@ -40,9 +41,9 @@ unsigned exam_archive()
 	e = -42 * x * pow(y, sin(y*Catalan)) * dirac_ONE()
 	    * epsilon_tensor(idx(fail(), 3), idx(0, 3), idx(y/2, 3))
 	  + lorentz_g(
-	      varidx(lst(x, -11*y, acos(2*x).series(x==3-5*I, 3)) * color_ONE()
+	      varidx(lst{x, -11*y, acos(2*x).series(x==3-5*I, 3)} * color_ONE()
 	        * metric_tensor(varidx(log(cos(128.0/(x*y))), 5), varidx(2, 5)), zeta(3)),
-	      varidx(diag_matrix(lst(-1, Euler, atan(x/y==-15*I/17)))
+	      varidx(diag_matrix({-1, Euler, atan(x/y==-15*I/17)})
 	        * delta_tensor(idx(x, 2), idx(wild(7), 3)), zeta(3), true),
 	      true
 	    )
@@ -63,9 +64,10 @@ unsigned exam_archive()
 		std::ifstream fin("exam.gar", std::ios_base::binary);
 		fin >> ar;
 	}
-	f = ar.unarchive_ex(lst(x, y, mu, dim), "expr 1");
+	f = ar.unarchive_ex(lst{x, y, mu, dim}, "expr 1");
 
-	if (!f.is_equal(e)) {
+	ex difference = (f - e).expand();
+	if (!difference.is_zero()) {
 		clog << "archiving/unarchiving " << e << endl
 		     << "erroneously returned " << f << endl;
 		++result;