public function __invoke($value) : ValidationResult
{
Assertion::numeric($value);
$decimalValue = Decimal::fromString((string) $value);
$floorModulo = $this->floorModulo($decimalValue->sub($this->base), $this->step);
if ($floorModulo->comp(DecimalConstants::zero()) !== 0) {
return new ValidationResult(new ValidationError('error.step-number', ['lowValue' => $this->trimZeroDecimal((string) $decimalValue->sub($floorModulo)), 'highValue' => $this->trimZeroDecimal((string) $decimalValue->add($this->step)->sub($floorModulo))]));
}
return new ValidationResult();
}
/**
* Counts the number of significative digits of $val.
* Assumes a consistent internal state (without zeros at the end or the start).
*
* @param Decimal $val
* @param Decimal $abs $val->abs()
* @return integer
*/
private static function countSignificativeDigits(Decimal $val, Decimal $abs)
{
return strlen($val->value) - ($abs->comp(DecimalConstants::One()) === -1 ? 2 : max($val->scale, 1)) - ($val->isNegative() ? 1 : 0);
}
/**
* @expectedException \DomainException
* @expectedExceptionMessage The tangent of this 'angle' is undefined.
*/
public function testTanPiTwoDiv()
{
$PiDividedByTwo = DecimalConstants::PI()->div(Decimal::fromInteger(2));
$PiDividedByTwo->tan();
}
/**
* @expectedException \InvalidArgumentException
* @expectedExceptionMessage $scale must be positive.
*/
public function testNegativeParamsOnE()
{
DecimalConstants::e(-3);
}
function testDecimalPropValid()
{
$this->assertFormValid("foo=1", new Check\Decimal(), DecimalConstants::one());
}
public function testNegativeWithPositiveExponent()
{
$nFive = Decimal::fromInteger(-5);
$this->assertTrue($nFive->pow(DecimalConstants::One())->equals($nFive));
$this->assertTrue($nFive->pow(Decimal::fromInteger(2))->equals(Decimal::fromInteger(25)));
$this->assertTrue($nFive->pow(Decimal::fromInteger(3))->equals(Decimal::fromInteger(-125)));
}
/**
* @expectedException \DomainException
* @expectedExceptionMessage The cotangent of this 'angle' is undefined.
*/
public function testCotanPiDiv()
{
$PI = DecimalConstants::PI();
$PI->cotan();
}
/**
* @expectedException \DomainException
* @expectedExceptionMessage Infinite elevated to zero is undefined.
*/
public function testNegativeInfiniteZeroPower()
{
InfiniteDecimal::getNegativeInfinite()->pow(DecimalConstants::Zero());
}
/**
* Returns exp($this), said in other words: e^$this .
*
* @param integer $scale
* @return Decimal
*/
public function exp($scale = null)
{
if ($this == self::$pInf) {
return $this;
} else {
return DecimalConstants::zero();
}
}