public function testMatrixMultiplication()
{
$left = array(array(1, 2), array(3, 5), array(2, 4));
$right = array(array(4, 7, 5), array(3, 1, 4));
$this->assertEquals(MathUtils::getMmult($left, $right), array(array(10, 9, 13), array(27, 26, 35), array(20, 18, 26)));
try {
MathUtils::getMmult(array(), $right);
$this->fail("Exception expected here");
} catch (WrongArgumentException $e) {
}
try {
MathUtils::getMmult($left, array());
$this->fail("Exception expected here");
} catch (WrongArgumentException $e) {
}
}
/**
* @return GoogleChartDataSet
**/
private function calculateMax()
{
$maxValue = max($this->data);
if ($this->base) {
$maxValue = MathUtils::alignByBase($maxValue, $this->base, true);
}
if ($maxValue == 0) {
if ($this->base) {
$maxValue = $this->base;
} else {
$maxValue = 1;
}
}
$this->minMax->setMax($maxValue);
return $this;
}
public function testCompareFloat()
{
$this->assertEquals(MathUtils::compareFloat(0.001, 0.001), 0);
$this->assertEquals(MathUtils::compareFloat(0, 0.0001, 0.001), 0);
$this->assertEquals(MathUtils::compareFloat(0.0001, 1.0E-5, 1.0E-6), 1);
}