- Fixed matrices to use parameter order <row>, <column>

- Added dataset which builds polygon of defined order for set of points
  # Using least squares algorithm
- Added method to solve a subset of nonlinear equatations to matrix class
  # Using Gauss-Newton algorithm

1 files changed, 103 insertions, 0 deletions

diff --git a/tests/dataset_average_test.php b/tests/dataset_average_test.php
new file mode 100644
index 0000000..9a00763
--- /dev/null
+++ b/tests/dataset_average_test.php
@@ -0,0 +1,103 @@
+<?php
+/**
+ * ezcGraphDataSetAverageTest 
+ * 
+ * @package Graph
+ * @version //autogen//
+ * @subpackage Tests
+ * @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+
+/**
+ * Tests for ezcGraph class.
+ * 
+ * @package ImageAnalysis
+ * @subpackage Tests
+ */
+class ezcGraphDataSetAverageTest extends ezcTestCase
+{
+
+	public static function suite()
+	{
+		return new ezcTestSuite( "ezcGraphDataSetAverageTest" );
+	}
+
+    /**
+     * setUp 
+     * 
+     * @access public
+     */
+    public function setUp()
+    {
+    }
+
+    /**
+     * tearDown 
+     * 
+     * @access public
+     */
+    public function tearDown()
+    {
+    }
+
+    public function testCreateDatasetFromDataset()
+    {
+        $arrayDataSet = new ezcGraphArrayDataSet( array( -1 => 1, 0 => 0, 1 => 1 ) );
+
+        $averageDataSet = new ezcGraphDataSetAveragePolynom( $arrayDataSet );
+        $averageDataSet->polynomOrder = 2;
+
+        $polynom = $averageDataSet->getPolynom();
+
+        $this->assertEquals(
+            'x^2',
+            $polynom->__toString()
+        );
+    }
+
+    public function testCreateDatasetFromDataset2()
+    {
+        $arrayDataSet = new ezcGraphArrayDataSet( array( -1 => 2, 1 => 2, 3 => 10 ) );
+
+        $averageDataSet = new ezcGraphDataSetAveragePolynom( $arrayDataSet );
+        $averageDataSet->polynomOrder = 2;
+
+        $polynom = $averageDataSet->getPolynom();
+
+        $this->assertEquals(
+            'x^2 + 1.00',
+            $polynom->__toString()
+        );
+    }
+
+    public function testCreateDatasetFromDatasetLowOrder()
+    {
+        $arrayDataSet = new ezcGraphArrayDataSet( array( -1 => 2, 1 => 2, 3 => 10 ) );
+
+        $averageDataSet = new ezcGraphDataSetAveragePolynom( $arrayDataSet );
+        $averageDataSet->polynomOrder = 1;
+
+        $polynom = $averageDataSet->getPolynom();
+
+        $this->assertEquals(
+            '2.00 * x + 2.67',
+            $polynom->__toString()
+        );
+    }
+    public function testCreateDatasetFromDatasetHighOrder()
+    {
+        $arrayDataSet = new ezcGraphArrayDataSet( array( -1 => 2, 1 => 2, 3 => 10 ) );
+
+        $averageDataSet = new ezcGraphDataSetAveragePolynom( $arrayDataSet );
+        $averageDataSet->polynomOrder = 3;
+
+        $polynom = $averageDataSet->getPolynom();
+
+        $this->assertEquals(
+            'x^2 + 1.00',
+            $polynom->__toString()
+        );
+    }
+}
+?>