From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Fri, 6 Apr 2001 23:02:12 +0000 (+0000)
Subject: added check for archiving system
X-Git-Tag: release_0-8-1~25
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=336c03561cdacb388041cf9345c51a28465ee653

added check for archiving system
---

diff --git a/check/Makefile.am b/check/Makefile.am
index fb943d0b..459799eb 100644
--- a/check/Makefile.am
+++ b/check/Makefile.am
@@ -10,8 +10,8 @@ checks_LDADD = ../ginac/libginac.la
 exams_SOURCES = exam_paranoia.cpp exam_numeric.cpp exam_powerlaws.cpp \
   exam_inifcns.cpp exam_differentiation.cpp exam_polygcd.cpp \
   exam_normalization.cpp exam_pseries.cpp exam_matrices.cpp exam_lsolve.cpp \
-  exam_indexed.cpp exam_color.cpp exam_clifford.cpp exam_misc.cpp exams.cpp \
-  exams.h
+  exam_indexed.cpp exam_color.cpp exam_clifford.cpp exam_archive.cpp \
+  exam_misc.cpp exams.cpp exams.h
 exams_LDADD = ../ginac/libginac.la
 
 times_SOURCES = time_dennyfliegner.cpp time_gammaseries.cpp \
diff --git a/check/exam_archive.cpp b/check/exam_archive.cpp
new file mode 100644
index 00000000..af8f4905
--- /dev/null
+++ b/check/exam_archive.cpp
@@ -0,0 +1,80 @@
+/** @file exam_archive.cpp
+ *
+ *  Here we test GiNaC's archiving system. */
+
+/*
+ *  GiNaC Copyright (C) 1999-2001 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
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  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
+ */
+
+#include "exams.h"
+
+#include <fstream>
+
+unsigned exam_archive(void)
+{
+	unsigned result = 0;
+	
+	cout << "examining archiving system" << flush;
+	clog << "----------archiving system:" << endl;
+
+	symbol x("x"), y("y"), mu("mu"), dim("dim");
+	ex e, f;
+
+	// This expression is complete nonsense but it contains every type of
+	// GiNaC object
+	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()
+	        * metric_tensor(varidx(0, 5), varidx(2, 4)), zeta(3)),
+	      varidx(diag_matrix(lst(-1, Euler, atan(x/y==-15*I/17)))
+	        * delta_tensor(idx(x, 2), idx(y, 3)), log(cos(128.0/(x*y))), true),
+	      true
+	    )
+	  + dirac_gamma(varidx(mu, dim)) * dirac_gamma(varidx(mu, 4-dim, true))
+	    * color_T(idx(x, 8), 1) * color_h(idx(x, 8), idx(y, 8), idx(2, 8))
+	    * indexed(x, indexed::antisymmetric, idx(2*y+1, x), varidx(-mu, 5))
+	  + 0.775;
+
+	archive ar;
+	ar.archive_ex(e, "expr 1");
+	{
+		std::ofstream fout("exam.gar");
+		fout << ar;
+	}
+	ar.clear();
+	{
+		std::ifstream fin("exam.gar");
+		fin >> ar;
+	}
+	f = ar.unarchive_ex(lst(x, y, mu, dim), "expr 1");
+
+	if (!f.is_equal(e)) {
+		clog << "archiving/unarchiving " << e << endl
+		     << "erroneously returned " << f << endl;
+		++result;
+	}
+	
+	if (!result) {
+		cout << " passed " << endl;
+		clog << "(no output)" << endl;
+	} else {
+		cout << " failed " << endl;
+	}
+	
+	return result;
+}
diff --git a/check/exams.cpp b/check/exams.cpp
index b4ec8cb4..41097741 100644
--- a/check/exams.cpp
+++ b/check/exams.cpp
@@ -50,6 +50,7 @@ try { \
 	EXAM(indexed)
 	EXAM(color)
 	EXAM(clifford)
+	EXAM(archive)
 	EXAM(misc)
 	
 	if (result) {
diff --git a/check/exams.h b/check/exams.h
index ae454e40..1372cc30 100644
--- a/check/exams.h
+++ b/check/exams.h
@@ -41,6 +41,7 @@ unsigned exam_lsolve();
 unsigned exam_indexed();
 unsigned exam_color();
 unsigned exam_clifford();
+unsigned exam_archive();
 unsigned exam_misc();
 
 #endif // ndef EXAMS_H
diff --git a/check/exams.ref b/check/exams.ref
index d44e9104..86a9512d 100644
--- a/check/exams.ref
+++ b/check/exams.ref
@@ -24,5 +24,7 @@
 (no output)
 ----------clifford objects:
 (no output)
+----------archiving system:
+(no output)
 ----------miscellaneous other things:
 (no output)