X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fexam_differentiation.cpp;h=fd1a7ccb8cc7b601ad1fedc7e7b10c010fb0ab25;hp=33b13b1f05d3ccee9e82094d9425fc88b8505a23;hb=55b0f861ce3676061b8f531c97fd34046875581d;hpb=68fdf425abf14d016d5f95ee7b9d06a19a3c5926

diff --git a/check/exam_differentiation.cpp b/check/exam_differentiation.cpp
index 33b13b1f..fd1a7ccb 100644
--- a/check/exam_differentiation.cpp
+++ b/check/exam_differentiation.cpp
@@ -3,7 +3,7 @@
  *  Tests for symbolic differentiation, including various functions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 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
@@ -17,16 +17,20 @@
  *
  *  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 "ginac.h"
+using namespace GiNaC;
+
+#include <iostream>
+using namespace std;
 
 static unsigned check_diff(const ex &e, const symbol &x,
 						   const ex &d, unsigned nth=1)
 {
 	ex ed = e.diff(x, nth);
-	if ((ed - d).compare(ex(0)) != 0) {
+	if (!(ed - d).is_zero()) {
 		switch (nth) {
 		case 0:
 			clog << "zeroth ";
@@ -223,7 +227,7 @@ static unsigned exam_differentiation6()
 	ed = series_to_poly(ed);
 	d = series_to_poly(d);
 	
-	if ((ed - d).compare(ex(0)) != 0) {
+	if (!(ed - d).is_zero()) {
 		clog << "derivative of " << e << " by " << x << " returned "
 		     << ed << " instead of " << d << ")" << endl;
 		return 1;
@@ -260,7 +264,6 @@ unsigned exam_differentiation()
 	unsigned result = 0;
 	
 	cout << "examining symbolic differentiation" << flush;
-	clog << "----------symbolic differentiation:" << endl;
 	
 	result += exam_differentiation1();  cout << '.' << flush;
 	result += exam_differentiation2();  cout << '.' << flush;
@@ -270,11 +273,10 @@ unsigned exam_differentiation()
 	result += exam_differentiation6();  cout << '.' << flush;
 	result += exam_differentiation7();  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_differentiation();
+}