r11305 - /1.3/test_suite/unit_tests/_maths_fns/test_pseudo_ellipse.py -- July 15, 2010 - 15:46

Author: bugman
Date: Thu Jul 15 15:46:58 2010
New Revision: 11305

URL: http://svn.gna.org/viewcvs/relax?rev=11305&view=rev
Log:
Added some unit tests for the pseudo-elliptic cosine function.


Added:
    1.3/test_suite/unit_tests/_maths_fns/test_pseudo_ellipse.py

Added: 1.3/test_suite/unit_tests/_maths_fns/test_pseudo_ellipse.py
URL: 
http://svn.gna.org/viewcvs/relax/1.3/test_suite/unit_tests/_maths_fns/test_pseudo_ellipse.py?rev=11305&view=auto
==============================================================================
--- 1.3/test_suite/unit_tests/_maths_fns/test_pseudo_ellipse.py (added)
+++ 1.3/test_suite/unit_tests/_maths_fns/test_pseudo_ellipse.py Thu Jul 15 
15:46:58 2010
@@ -1,0 +1,81 @@
+###############################################################################
+#                                                                            
 #
+# Copyright (C) 2010 Edward d'Auvergne                                       
 #
+#                                                                            
 #
+# This file is part of the program relax.                                    
 #
+#                                                                            
 #
+# relax 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.                                        
 #
+#                                                                            
 #
+# relax 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 relax; if not, write to the Free Software                       
 #
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  
 #
+#                                                                            
 #
+###############################################################################
+
+# Python module imports.
+from math import pi
+from unittest import TestCase
+
+# relax module imports.
+from maths_fns.pseudo_ellipse import pec
+
+
+class Test_pseudo_ellipse(TestCase):
+    """Unit tests for the maths_fns.pseudo_ellipse relax module."""
+
+
+    def test_pec_0_0(self):
+        """Test the pec() function for x = 0, y = 0 (nothing)."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(0, 0), 0.0)
+
+
+    def test_pec_0_1(self):
+        """Test the pec() function for x = 0, y = 1 (nothing)."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(0, 1), 0.0)
+
+
+    def test_pec_1_0(self):
+        """Test the pec() function for x = 1, y = 0 (nothing)."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(1, 0), 0.0)
+
+
+    def test_pec_partial1(self):
+        """Test the pec() function for x = pi/2, y = pi."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(pi/2, pi), 9.2141334381797524)
+
+
+    def test_pec_partial2(self):
+        """Test the pec() function for x = pi/2, y = pi/2."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(pi/2, pi/2), 2*pi)
+
+
+    def test_pec_partial3(self):
+        """Test the pec() function for x = pi/6, y = pi/2."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(pi/6, pi/2), 2.3058688920532275)
+
+
+    def test_pec_pi_pi(self):
+        """Test the pec() function for x = pi, y = pi (full sphere)."""
+
+        # Check the value.
+        self.assertAlmostEqual(pec(pi, pi), 4*pi)