/**
* Convert if possible a supplied argument to a strong numeric type
*
* @param int|float|string|NumericTypeInterface $numerator
* @return Chippyash\Type\Interfaces\NumericTypeInterface
* @throws UndefinedComputationException
*/
protected function convertNumberToNumeric($value)
{
switch (gettype($value)) {
case 'integer':
return TypeFactory::createInt($value);
case 'double':
return TypeFactory::createRational($value);
case 'string':
try {
if (is_numeric($value)) {
$value = floatval($value);
}
return TypeFactory::createRational($value);
} catch (\Exception $e) {
try {
return TypeFactory::createComplex($value);
} catch (\Exception $ex) {
throw new MatrixException("The string representation of the number ('{$value}') is invalid for a complex");
}
}
case 'object':
if ($value instanceof NumericTypeInterface) {
return $value;
} else {
throw new MatrixException('NumberToNumeric expects int, float, string or Rational value');
}
case 'NULL':
return TypeFactory::createInt(0);
case 'boolean':
return TypeFactory::createInt($value ? 1 : 0);
default:
throw new MatrixException('NumberToNumeric expects int, float, string or Rational ');
}
}
public function setUp()
{
RequiredType::getInstance()->set(RequiredType::TYPE_NATIVE);
$this->object = new AsciiNumeric();
$this->rationalOne = TypeFactory::createRational(TypeFactory::createInt(1), TypeFactory::createInt(1));
$this->rationalHalf = TypeFactory::createRational(TypeFactory::createInt(1), TypeFactory::createInt(2));
$this->complexTwo = TypeFactory::createComplex(TypeFactory::createRational(TypeFactory::createInt(2), TypeFactory::createInt(1)), TypeFactory::createRational(TypeFactory::createInt(0), TypeFactory::createInt(1)));
$this->complexThree = TypeFactory::createComplex(TypeFactory::createRational(TypeFactory::createInt(3), TypeFactory::createInt(1)), TypeFactory::createRational(TypeFactory::createInt(-3), TypeFactory::createInt(2)));
}
public function validNumerics()
{
return [[2], [2.5], ['12.45'], ['2/5'], [true], [false], ['2+3i'], [TypeFactory::createComplex(2)], [TypeFactory::createInt(2)], [TypeFactory::createFloat(2)], [TypeFactory::createRational(2)], [null]];
}
public function testCreateComplexReturnsComplexType()
{
$this->assertInstanceOf('\\Chippyash\\Type\\Number\\Complex\\ComplexType', Typefactory::createComplex(54, 2));
$this->assertEquals('54+2i', Typefactory::createComplex(54, 2)->get());
$this->assertInstanceOf('\\Chippyash\\Type\\Number\\Complex\\ComplexType', Typefactory::createComplex(54));
//real number 54+0i
$this->assertEquals(54, Typefactory::createComplex(54)->get());
$this->assertInstanceOf('\\Chippyash\\Type\\Number\\Complex\\ComplexType', Typefactory::createComplex('54+2i'));
$this->assertEquals('54+2i', Typefactory::createComplex('54+2i')->get());
$complexThree = TypeFactory::createComplex(TypeFactory::createRational(TypeFactory::createInt(3), TypeFactory::createInt(1)), TypeFactory::createRational(TypeFactory::createInt(-3), TypeFactory::createInt(2)));
$this->assertEquals('3-3/2i', $complexThree->get());
}
public function invalidScalarCombinations()
{
return [[new RationalMatrix([2]), '1+0i', 'Rational\\RationalType'], [new RationalMatrix([2]), TypeFactory::createComplex(2, 1), 'Rational\\RationalType']];
}
