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<?php
//
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2001 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Jesus M. Castagnetto <jmcastagnetto@php.net> |
// +----------------------------------------------------------------------+
//
// Matrix definition and manipulation package
//
// $Id: instance_methods.php,v 1.1 2003/05/16 22:28:18 jmcastagnetto Exp $
//
require_once 'PHPUnit.php';
require_once 'Math/Matrix.php';
//require_once '../Matrix.php';
class Math_Matrix_Instance_Methods_Test extends PHPUnit_TestCase {/*{{{*/
var $m;
var $data = array(
array(1.0,2.0,3.0,4.0),
array(5.0,6.0,7.0,8.0),
array(1.0,4.0,5.0,7.0),
array(2.0,3.0,-3.0,4.0)
);
function Math_Matrix_Instance_Methods_Test($name) {
$this->PHPUnit_TestCase($name);
}
function setUp() {
$this->m = new Math_Matrix($this->data);
}
function testIsSquare() {
$this->assertTrue($this->m->isSquare());
}
function testGetSize() {
$this->assertEquals(array(4,4), $this->m->getSize());
}
function testIsEmpty() {
$this->assertFalse($this->m->isEmpty());
}
function testClone() {
$q = $this->m->clone();
$this->assertEquals($q, $this->m);
}
function testNorm() {
$this->assertEquals(18.2482875909,$this->m->norm(),'',1E-8);
}
function testTrace() {
$this->assertEquals(16,$this->m->trace(),'',1E-8);
}
function testDeterminant() {
$this->assertEquals(76,$this->m->determinant(),'',1E-8);
}
function testNormalizedDeterminant() {
$this->assertEquals(4.16477434507,$this->m->normalizedDeterminant(),'',1E-8);
}
function testGetRow() {
$row = array(5.0,6.0,7.0,8.0);
$this->assertEquals($row, $this->m->getRow(1));
}
function testGetCol() {
$col = array(2.0,6.0,4.0,3.0);
$this->assertEquals($col, $this->m->getCol(1));
}
function testGetElement() {
$this->assertEquals(2.0, $this->m->getElement(0,1));
}
function testGetData() {
$this->assertEquals($this->data, $this->m->getData());
}
function testGetMin() {
$this->assertEquals(-3.0,$this->m->getMin(),'',1E-8);
}
function testGetMax() {
$this->assertEquals(8.0,$this->m->getMax(),'',1E-8);
}
function testGetValueIndex() {
$this->assertEquals(array(1,1),$this->m->getValueIndex(6.0));
}
function testGetMinIndex() {
$this->assertEquals(array(3,2),$this->m->getMinIndex(6.0));
}
function testGetMaxIndex() {
$this->assertEquals(array(1,3),$this->m->getMaxIndex(6.0));
}
function testTranspose() {
$data = array(
array(1.0,2.0),
array(3.0,4.0)
);
$data_transposed = array(
array(1.0,3.0),
array(2.0,4.0)
);
$p = new Math_Matrix($data);
$p->transpose();
$this->assertEquals($data_transposed, $p->getData());
}
function testInvert() {
$unit = Math_Matrix::makeUnit(4);
$q = new Math_Matrix($this->data);
$p = $q->clone();
$q->invert();
$p->multiply($q);
$this->assertEquals($unit->getData(), $p->getData());
}
function testMultiply() {
$this->testInvert();
}
function testGetSubMatrix() {
$data = array(
array(6.0,7.0),
array(4.0,5.0),
);
$q = $this->m->getSubMatrix(1,1,2,2);
$this->assertEquals($data, $q->getData());
}
function testAdd() {
$data = array(
array(2.0,7.0,4.0,6.0),
array(7.0,12.0,11.0,11.0),
array(4.0,11.0,10.0,4.0),
array(6.0,11.0,4.0,8.0)
);
$q = $this->m->clone();
$p = $q->clone();
$q->transpose();
$p->add($q);
$this->assertEquals($data, $p->getData());
}
function testSub() {
$data = array(
array(0.0,-3.0,2.0,2.0),
array(3.0,0.0,3.0,5.0),
array(-2.0,-3.0,0.0,10.0),
array(-2.0,-5.0,-10.0,0.0)
);
$q = $this->m->clone();
$p = $q->clone();
$q->transpose();
$p->sub($q);
$this->assertEquals($data, $p->getData());
}
function testScale() {
$data = array(
array(2.0,4.0,6.0,8.0),
array(10.0,12.0,14.0,16.0),
array(2.0,8.0,10.0,14.0),
array(4.0,6.0,-6.0,8.0)
);
$q = $this->m->clone();
$q->scale(2.0);
$this->assertEquals($data, $q->getData());
}
function testScaleRow() {
$data = array(
array(1.0,2.0,3.0,4.0),
array(10.0,12.0,14.0,16.0),
array(1.0,4.0,5.0,7.0),
array(2.0,3.0,-3.0,4.0)
);
$q = $this->m->clone();
$q->scaleRow(1,2.0);
$this->assertEquals($data, $q->getData());
}
function testSwapRows() {
$data = array(
array(1.0,2.0,3.0,4.0),
array(1.0,4.0,5.0,7.0),
array(5.0,6.0,7.0,8.0),
array(2.0,3.0,-3.0,4.0)
);
$q = $this->m->clone();
$q->swapRows(1,2);
$this->assertEquals($data, $q->getData());
}
function testSwapCols() {
$data = array(
array(1.0,3.0,2.0,4.0),
array(5.0,7.0,6.0,8.0),
array(1.0,5.0,4.0,7.0),
array(2.0,-3.0,3.0,4.0)
);
$q = $this->m->clone();
$q->swapCols(1,2);
$this->assertEquals($data, $q->getData());
}
function testSwapRowCol() {
$data = array(
array(1.0,5.0,1.0,2.0),
array(2.0,6.0,7.0,8.0),
array(3.0,4.0,5.0,7.0),
array(4.0,3.0,-3.0,4.0)
);
$q = $this->m->clone();
$q->swapRowCol(0,0);
$this->assertEquals($data, $q->getData());
}
function testVectorMultiply() {
$data = array(53.0,129.0,96.0,13.0);
$v = new Math_Vector(array(-1,9,8,3));
$q = $this->m->clone();
$r = $q->vectorMultiply($v);
$t = $r->getTuple();
$this->assertEquals($data, $t->data);
}
}/*}}}*/
$suite = new PHPUnit_TestSuite('Math_Matrix_Instance_Methods_Test');
$result = PHPUnit::run($suite);
echo $result->toString()."\n";
// vim: ts=4:sw=4:et:
// vim6: fdl=1:
?>
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