DecimalConstantsTest::testE PHP Метод

    public function testE()
    {
        $this->assertTrue(DecimalConstants::e()->equals(Decimal::fromString("2.71828182845904523536028747135266")));
        $this->assertTrue(DecimalConstants::e(32)->equals(Decimal::fromString("2.71828182845904523536028747135266")));
        $this->assertTrue(DecimalConstants::e(16)->equals(Decimal::fromString("2.7182818284590452")));
    }