getPositiveInfinite() public static method

Returns a "Positive Infinite" object
public static getPositiveInfinite ( ) : Decimal
return Decimal
コード例 #1
0
 public function testInfiniteRound()
 {
     $pInf = Decimal::getPositiveInfinite();
     $nInf = Decimal::getNegativeInfinite();
     $this->assertTrue($pInf->round()->equals($pInf));
     $this->assertTrue($nInf->round()->equals($nInf));
 }
コード例 #2
0
 public function testCreateFromFloat()
 {
     $this->assertTrue(Decimal::create(-35.125)->equals(Decimal::fromFloat(-35.125)));
     $this->assertTrue(Decimal::create(0.0)->equals(Decimal::fromFloat(0.0)));
     $this->assertTrue(Decimal::create(35.125)->equals(Decimal::fromFloat(35.125)));
     $this->assertTrue(Decimal::create(INF)->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue(Decimal::create(-INF)->equals(Decimal::getNegativeInfinite()));
 }
コード例 #3
0
 public function testInfiniteInfiniteComp()
 {
     $pInf = Decimal::getPositiveInfinite();
     $nInf = Decimal::getNegativeInfinite();
     $this->assertTrue($pInf->comp($pInf) === 0);
     $this->assertTrue($nInf->comp($nInf) === 0);
     $this->assertTrue($pInf->comp($nInf) === 1);
     $this->assertTrue($nInf->comp($pInf) === -1);
 }
コード例 #4
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 public function testInfiniteMul()
 {
     $pInf = Decimal::getPositiveInfinite();
     $nInf = Decimal::getNegativeInfinite();
     $pOne = Decimal::fromInteger(1);
     $nOne = Decimal::fromInteger(-1);
     $oipp = $pOne->mul($pInf);
     $oipn = $pOne->mul($nInf);
     $oinp = $nOne->mul($pInf);
     $oinn = $nOne->mul($nInf);
     $this->assertTrue($oipp->isPositive());
     $this->assertTrue($oinn->isPositive());
     $this->assertTrue($oinp->isNegative());
     $this->assertTrue($oipn->isNegative());
     $this->assertTrue($oipp->isInfinite());
     $this->assertTrue($oipn->isInfinite());
     $this->assertTrue($oinp->isInfinite());
     $this->assertTrue($oinn->isInfinite());
 }
コード例 #5
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 public function testInfiniteInfiniteSub()
 {
     $pInf = Decimal::getPositiveInfinite();
     $nInf = Decimal::getNegativeInfinite();
     $catched = false;
     try {
         $pInf->sub($pInf);
     } catch (\DomainException $e) {
         $catched = true;
     }
     $this->assertTrue($catched);
     $catched = false;
     try {
         $nInf->sub($nInf);
     } catch (\DomainException $e) {
         $catched = true;
     }
     $this->assertTrue($catched);
     $this->assertTrue($pInf->sub($nInf)->equals($pInf));
     $this->assertTrue($nInf->sub($pInf)->equals($nInf));
 }
コード例 #6
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 public function testStringInfinite()
 {
     $infUU = Decimal::fromString("INF");
     $infLL = Decimal::fromString("inf");
     $infUL = Decimal::fromString("Inf");
     $pInfUU = Decimal::fromString("+INF");
     $pInfLL = Decimal::fromString("+inf");
     $pInfUL = Decimal::fromString("+Inf");
     $nInfUU = Decimal::fromString("-INF");
     $nInfLL = Decimal::fromString("-inf");
     $nInfUL = Decimal::fromString("-Inf");
     $this->assertTrue($infUU->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue($infLL->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue($infUL->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue($pInfUU->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue($pInfLL->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue($pInfUL->equals(Decimal::getPositiveInfinite()));
     $this->assertTrue($nInfUU->equals(Decimal::getNegativeInfinite()));
     $this->assertTrue($nInfLL->equals(Decimal::getNegativeInfinite()));
     $this->assertTrue($nInfUL->equals(Decimal::getNegativeInfinite()));
 }
コード例 #7
0
 public function testGetInfinite()
 {
     $this->assertTrue(Decimal::getPositiveInfinite()->equals(InfiniteDecimal::getPositiveInfinite()));
     $this->assertTrue(Decimal::getNegativeInfinite()->equals(InfiniteDecimal::getNegativeInfinite()));
 }
コード例 #8
0
 public function testPositiveInfiniteSqrt()
 {
     $pInf = Decimal::getPositiveInfinite();
     $this->assertTrue($pInf->sqrt()->equals($pInf));
 }