Example #1
0
 public function testAddLargeIntegerToADecimalSmallerThanOne()
 {
     $x = \MyOddWeb\BigNumber("123456789123456789123456789");
     $y = \MyOddWeb\BigNumber("0.0000000002");
     $z = $y->Add($x)->ToString();
     $this->assertSame("123456789123456789123456789.0000000002", $z);
 }
Example #2
0
 public function testSqrtOfZeroPointFive()
 {
     $x = \MyOddWeb\BigNumber(0.5);
     $y = $x->Sqrt(10);
     //  0.70710678118654752440084436210485
     $z = $y->ToString();
     $this->assertSame("0.7071067812", $z);
 }
Example #3
0
 public function testPositiveNumberDividedByNegativeNumber()
 {
     $x = \MyOddWeb\BigNumber(20);
     $z = $x->Div(-2)->ToString();
     $this->assertSame("-10", $z);
     $x = \MyOddWeb\BigNumber(100);
     $z = $x->Div(-100)->ToString();
     $this->assertSame("-1", $z);
     $x = \MyOddWeb\BigNumber(1000000);
     $z = $x->Div(-244.140625)->ToString();
     //  4096
     $this->assertSame("-4096", $z);
 }
 public function testNegativePiToDegree()
 {
     $rad = \MyOddWeb\BigNumber(\MyOddWeb\BigNumber::pi())->ToDegree(10);
     $rad->Mul(-1);
     $z = $rad->ToString();
     $this->assertSame("-180", $z);
 }
Example #5
0
 public function testSubtractSmallNumberToBecomeLargeInteger()
 {
     $x = \MyOddWeb\BigNumber("123456789123456789123456789123456789.000002");
     $y = \MyOddWeb\BigNumber("0.000002");
     $z = $x->Sub($y)->ToString();
     $this->assertSame("123456789123456789123456789123456789", $z);
 }