* Special power-simplification rules may now be defined for functions.

[ginac.git] / check / exam_normalization.cpp

diff --git a/check/exam_normalization.cpp b/check/exam_normalization.cpp
index c9ceb18ca8400943314e1a06414a986e39f9884b..c0a2e232735287e8bdc33cf017565e35998db54b 100644 (file)
--- a/check/exam_normalization.cpp
+++ b/check/exam_normalization.cpp
@@ -3,7 +3,7 @@
  *  Rational function normalization test suite. */
 
 /*
- *  GiNaC Copyright (C) 1999-2004 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2005 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
@@ -17,7 +17,7 @@
  *
  *  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"
@@ -81,7 +81,7 @@ static unsigned exam_normal2()
        result += check_normal(e, d);
        
        e = (pow(x, 2) - pow(y, 2)) / pow(x-y, 3);
-       d = (x + y) / (pow(x, 2) + pow(y, 2) - x * y * 2);
+       d = (x + y) / pow(x - y, 2);
        result += check_normal(e, d);
        
        e = (pow(x, -1) + x) / (pow(x , 2) * 2 + 2);
@@ -90,7 +90,7 @@ static unsigned exam_normal2()
        
        // Fraction cancellation with rational coefficients
        e = (pow(x, 2) - pow(y, 2)) / pow(x/2 - y/2, 3);
-       d = (8 * x + 8 * y) / (pow(x, 2) + pow(y, 2) - x * y * 2);
+       d = (8 * x + 8 * y) / pow(x - y, 2);
        result += check_normal(e, d);
        
        // Fraction cancellation with rational coefficients
@@ -203,6 +203,7 @@ static unsigned exam_content()
        result += check_content(5*x-15, x, 5, 5, x-3);
        result += check_content(5*x*y-15*y*y, x, 5, 5*y, x-3*y);
        result += check_content(-15*x/2+ex(25)/3, x, ex(5)/6, ex(5)/6, 9*x-10);
+       result += check_content(-x*y, x, 1, y, x);
 
        return result;
 }