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From billbar...@apache.org
Subject svn commit: r771165 - /commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java
Date Mon, 04 May 2009 02:59:30 GMT
Author: billbarker
Date: Mon May  4 02:59:30 2009
New Revision: 771165

URL: http://svn.apache.org/viewvc?rev=771165&view=rev
Log:
Adding unit test for SparseFieldVector

Added:
    commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java
  (with props)

Added: commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java
URL: http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java?rev=771165&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java
(added)
+++ commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java
Mon May  4 02:59:30 2009
@@ -0,0 +1,218 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.math.linear;
+
+
+import org.apache.commons.math.fraction.Fraction;
+import org.apache.commons.math.fraction.FractionConversionException;
+import org.apache.commons.math.fraction.FractionField;
+
+
+import junit.framework.TestCase;
+
+/**
+ * Test cases for the {@link SparseFieldVector} class.
+ *
+ * @version $Revision: 728186 $ $Date: 2009-04-20 11:42:11 -0700 (Mon, 20 Apr 2009) $
+ */
+public class SparseFieldVectorTest extends TestCase {
+
+    // 
+    protected Fraction[][] ma1 = {{new Fraction(1), new Fraction(2), new Fraction(3)}, {new
Fraction(4), new Fraction(5), new Fraction(6)}, {new Fraction(7), new Fraction(8), new Fraction(9)}};
+    protected Fraction[] vec1 = {new Fraction(1), new Fraction(2), new Fraction(3)};
+    protected Fraction[] vec2 = {new Fraction(4), new Fraction(5), new Fraction(6)};
+    protected Fraction[] vec3 = {new Fraction(7), new Fraction(8), new Fraction(9)};
+    protected Fraction[] vec4 = {new Fraction(1), new Fraction(2), new Fraction(3), new Fraction(4),
new Fraction(5), new Fraction(6), new Fraction(7), new Fraction(8), new Fraction(9)};
+    protected Fraction[] vec_null = {new Fraction(0), new Fraction(0), new Fraction(0)};
+    protected Fraction[] dvec1 = {new Fraction(1), new Fraction(2), new Fraction(3), new
Fraction(4), new Fraction(5), new Fraction(6), new Fraction(7), new Fraction(8),new Fraction(9)};
+    protected Fraction[][] mat1 = {{new Fraction(1), new Fraction(2), new Fraction(3)}, {new
Fraction(4), new Fraction(5), new Fraction(6)},{ new Fraction(7), new Fraction(8), new Fraction(9)}};
+
+    // tolerances
+    protected double entryTolerance = 10E-16;
+    protected double normTolerance = 10E-14;
+
+    protected FractionField field = FractionField.getInstance();
+
+    public void testMapFunctions() throws FractionConversionException { 
+        SparseFieldVector<Fraction> v1 = new SparseFieldVector<Fraction>(field,vec1);
+
+        //octave =  v1 .+ 2.0
+        FieldVector<Fraction> v_mapAdd = v1.mapAdd(new Fraction(2));
+        Fraction[] result_mapAdd = {new Fraction(3), new Fraction(4), new Fraction(5)};
+        assertEquals("compare vectors" ,result_mapAdd,v_mapAdd.getData());
+
+        //octave =  v1 .+ 2.0
+        FieldVector<Fraction> v_mapAddToSelf = v1.copy();
+        v_mapAddToSelf.mapAddToSelf(new Fraction(2));
+        Fraction[] result_mapAddToSelf = {new Fraction(3), new Fraction(4), new Fraction(5)};
+        assertEquals("compare vectors" ,result_mapAddToSelf,v_mapAddToSelf.getData());
+
+        //octave =  v1 .- 2.0
+        FieldVector<Fraction> v_mapSubtract = v1.mapSubtract(new Fraction(2));
+        Fraction[] result_mapSubtract = {new Fraction(-1), new Fraction(0), new Fraction(1)};
+        assertEquals("compare vectors" ,result_mapSubtract,v_mapSubtract.getData());
+
+        //octave =  v1 .- 2.0
+        FieldVector<Fraction> v_mapSubtractToSelf = v1.copy();
+        v_mapSubtractToSelf.mapSubtractToSelf(new Fraction(2));
+        Fraction[] result_mapSubtractToSelf = {new Fraction(-1), new Fraction(0), new Fraction(1)};
+        assertEquals("compare vectors" ,result_mapSubtractToSelf,v_mapSubtractToSelf.getData());
+
+        //octave =  v1 .* 2.0
+        FieldVector<Fraction> v_mapMultiply = v1.mapMultiply(new Fraction(2));
+        Fraction[] result_mapMultiply = {new Fraction(2), new Fraction(4), new Fraction(6)};
+        assertEquals("compare vectors" ,result_mapMultiply,v_mapMultiply.getData());
+
+        //octave =  v1 .* 2.0
+        FieldVector<Fraction> v_mapMultiplyToSelf = v1.copy();
+        v_mapMultiplyToSelf.mapMultiplyToSelf(new Fraction(2));
+        Fraction[] result_mapMultiplyToSelf = {new Fraction(2), new Fraction(4), new Fraction(6)};
+        assertEquals("compare vectors" ,result_mapMultiplyToSelf,v_mapMultiplyToSelf.getData());
+
+        //octave =  v1 ./ 2.0
+        FieldVector<Fraction> v_mapDivide = v1.mapDivide(new Fraction(2));
+        Fraction[] result_mapDivide = {new Fraction(.5d), new Fraction(1), new Fraction(1.5d)};
+        assertEquals("compare vectors" ,result_mapDivide,v_mapDivide.getData());
+
+        //octave =  v1 ./ 2.0
+        FieldVector<Fraction> v_mapDivideToSelf = v1.copy();
+        v_mapDivideToSelf.mapDivideToSelf(new Fraction(2));
+        Fraction[] result_mapDivideToSelf = {new Fraction(.5d), new Fraction(1), new Fraction(1.5d)};
+        assertEquals("compare vectors" ,result_mapDivideToSelf,v_mapDivideToSelf.getData());
+
+        //octave =  v1 .^-1
+        FieldVector<Fraction> v_mapInv = v1.mapInv();
+        Fraction[] result_mapInv = {new Fraction(1),new Fraction(0.5d),new Fraction(3.333333333333333e-01d)};
+        assertEquals("compare vectors" ,result_mapInv,v_mapInv.getData());
+
+        //octave =  v1 .^-1
+        FieldVector<Fraction> v_mapInvToSelf = v1.copy();
+        v_mapInvToSelf.mapInvToSelf();
+        Fraction[] result_mapInvToSelf = {new Fraction(1),new Fraction(0.5d),new Fraction(3.333333333333333e-01d)};
+        assertEquals("compare vectors" ,result_mapInvToSelf,v_mapInvToSelf.getData());
+
+
+    }
+
+    public void testBasicFunctions() throws FractionConversionException { 
+        SparseFieldVector<Fraction> v1 = new SparseFieldVector<Fraction>(field,vec1);
+        SparseFieldVector<Fraction> v2 = new SparseFieldVector<Fraction>(field,vec2);
+
+        SparseFieldVector<Fraction> v2_t = new SparseFieldVector<Fraction>(field,vec2);

+
+        //octave =  v1 + v2
+        FieldVector<Fraction> v_add = v1.add(v2);
+        Fraction[] result_add = {new Fraction(5), new Fraction(7), new Fraction(9)};
+        assertEquals("compare vect" ,v_add.getData(),result_add);
+
+        SparseFieldVector<Fraction> vt2 = new SparseFieldVector<Fraction>(field,vec2);
+        FieldVector<Fraction> v_add_i = v1.add(vt2);
+        Fraction[] result_add_i = {new Fraction(5), new Fraction(7), new Fraction(9)};
+        assertEquals("compare vect" ,v_add_i.getData(),result_add_i);
+
+        //octave =  v1 - v2
+        SparseFieldVector<Fraction> v_subtract = v1.subtract(v2);
+        Fraction[] result_subtract = {new Fraction(-3), new Fraction(-3), new Fraction(-3)};
+        assertClose("compare vect" ,v_subtract.getData(),result_subtract,normTolerance);
+
+        FieldVector<Fraction> v_subtract_i = v1.subtract(vt2);
+        Fraction[] result_subtract_i = {new Fraction(-3), new Fraction(-3), new Fraction(-3)};
+        assertClose("compare vect" ,v_subtract_i.getData(),result_subtract_i,normTolerance);
+
+        // octave v1 .* v2
+        FieldVector<Fraction>  v_ebeMultiply = v1.ebeMultiply(v2);
+        Fraction[] result_ebeMultiply = {new Fraction(4), new Fraction(10), new Fraction(18)};
+        assertClose("compare vect" ,v_ebeMultiply.getData(),result_ebeMultiply,normTolerance);
+
+        FieldVector<Fraction>  v_ebeMultiply_2 = v1.ebeMultiply(v2_t);
+        Fraction[] result_ebeMultiply_2 = {new Fraction(4), new Fraction(10), new Fraction(18)};
+        assertClose("compare vect" ,v_ebeMultiply_2.getData(),result_ebeMultiply_2,normTolerance);
+
+        // octave v1 ./ v2
+        FieldVector<Fraction>  v_ebeDivide = v1.ebeDivide(v2);
+        Fraction[] result_ebeDivide = {new Fraction(0.25d), new Fraction(0.4d), new Fraction(0.5d)};
+        assertClose("compare vect" ,v_ebeDivide.getData(),result_ebeDivide,normTolerance);
+
+        FieldVector<Fraction>  v_ebeDivide_2 = v1.ebeDivide(v2_t);
+        Fraction[] result_ebeDivide_2 = {new Fraction(0.25d), new Fraction(0.4d), new Fraction(0.5d)};
+        assertClose("compare vect" ,v_ebeDivide_2.getData(),result_ebeDivide_2,normTolerance);
+
+        // octave  dot(v1,v2)
+        Fraction dot =  v1.dotProduct(v2);
+        assertEquals("compare val ",new Fraction(32), dot);
+
+        // octave  dot(v1,v2_t)
+        Fraction dot_2 =  v1.dotProduct(v2_t);
+        assertEquals("compare val ",new Fraction(32), dot_2);
+
+        FieldMatrix<Fraction> m_outerProduct = v1.outerProduct(v2);
+        assertEquals("compare val ",new Fraction(4), m_outerProduct.getEntry(0,0));
+
+        FieldMatrix<Fraction> m_outerProduct_2 = v1.outerProduct(v2_t);
+        assertEquals("compare val ",new Fraction(4), m_outerProduct_2.getEntry(0,0));
+
+    }
+
+
+    public void testMisc() { 
+        SparseFieldVector<Fraction> v1 = new SparseFieldVector<Fraction>(field,vec1);
+
+        String out1 = v1.toString();
+        assertTrue("some output ",  out1.length()!=0);
+        try {
+            v1.checkVectorDimensions(2); 
+            fail("IllegalArgumentException expected");
+        } catch (IllegalArgumentException ex) {
+            // expected behavior
+        } catch (Exception e) {
+            fail("wrong exception caught");
+        }     
+
+
+    }
+
+    public void testPredicates() {
+
+        SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field,
new Fraction[] { new Fraction(0), new Fraction(1), new Fraction(2) });
+
+        v.setEntry(0, field.getZero());
+        assertEquals(v, new SparseFieldVector<Fraction>(field, new Fraction[] { new
Fraction(0), new Fraction(1), new Fraction(2) }));
+        assertNotSame(v, new SparseFieldVector<Fraction>(field, new Fraction[] { new
Fraction(0), new Fraction(1), new Fraction(2), new Fraction(3) }));
+
+    }
+
+    /** verifies that two vectors are close (sup norm) */
+    protected void assertEquals(String msg, Fraction[] m, Fraction[] n) {
+        if (m.length != n.length) {
+            fail("vectors have different lengths");
+        }
+        for (int i = 0; i < m.length; i++) {
+            assertEquals(msg + " " +  i + " elements differ", m[i],n[i]);
+        }
+    }
+
+    /** verifies that two vectors are close (sup norm) */
+    protected void assertClose(String msg, Fraction[] m, Fraction[] n, double tolerance)
{
+        if (m.length != n.length) {
+            fail("vectors have different lengths");
+        }
+        for (int i = 0; i < m.length; i++) {
+            assertEquals(msg + " " +  i + " elements differ", m[i].doubleValue(),n[i].doubleValue(),
tolerance);
+        }
+    }
+
+}

Propchange: commons/proper/math/trunk/src/test/org/apache/commons/math/linear/SparseFieldVectorTest.java
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    svn:eol-syle = native



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