| --TEST-- | |
| BcMath\Number pow() | |
| --EXTENSIONS-- | |
| bcmath | |
| --FILE-- | |
| $values = ['12.5', '-12.5']; | |
| $exponents = [ | |
| [2, 'int'], | |
| [-3, 'int'], | |
| ['-2', 'string'], | |
| ['0', 'string'], | |
| [new BcMath\Number('2'), 'object'], | |
| [new BcMath\Number('-2'), 'object'], | |
| [new BcMath\Number('0'), 'object'], | |
| ]; | |
| foreach ($values as $value) { | |
| $num = new BcMath\Number($value); | |
| foreach ($exponents as [$exponent, $type]) { | |
| echo "{$value} ** {$exponent}: {$type}\n"; | |
| $ret = $num->pow($exponent); | |
| var_dump($ret); | |
| echo "\n"; | |
| } | |
| } | |
| --EXPECT-- | |
| 12.5 ** 2: int | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(6) "156.25" | |
| ["scale"]=> | |
| int(2) | |
| } | |
| 12.5 ** -3: int | |
| object(BcMath\Number)#6 (2) { | |
| ["value"]=> | |
| string(8) "0.000512" | |
| ["scale"]=> | |
| int(6) | |
| } | |
| 12.5 ** -2: string | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(6) "0.0064" | |
| ["scale"]=> | |
| int(4) | |
| } | |
| 12.5 ** 0: string | |
| object(BcMath\Number)#6 (2) { | |
| ["value"]=> | |
| string(1) "1" | |
| ["scale"]=> | |
| int(0) | |
| } | |
| 12.5 ** 2: object | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(6) "156.25" | |
| ["scale"]=> | |
| int(2) | |
| } | |
| 12.5 ** -2: object | |
| object(BcMath\Number)#6 (2) { | |
| ["value"]=> | |
| string(6) "0.0064" | |
| ["scale"]=> | |
| int(4) | |
| } | |
| 12.5 ** 0: object | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(1) "1" | |
| ["scale"]=> | |
| int(0) | |
| } | |
| -12.5 ** 2: int | |
| object(BcMath\Number)#4 (2) { | |
| ["value"]=> | |
| string(6) "156.25" | |
| ["scale"]=> | |
| int(2) | |
| } | |
| -12.5 ** -3: int | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(9) "-0.000512" | |
| ["scale"]=> | |
| int(6) | |
| } | |
| -12.5 ** -2: string | |
| object(BcMath\Number)#4 (2) { | |
| ["value"]=> | |
| string(6) "0.0064" | |
| ["scale"]=> | |
| int(4) | |
| } | |
| -12.5 ** 0: string | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(1) "1" | |
| ["scale"]=> | |
| int(0) | |
| } | |
| -12.5 ** 2: object | |
| object(BcMath\Number)#4 (2) { | |
| ["value"]=> | |
| string(6) "156.25" | |
| ["scale"]=> | |
| int(2) | |
| } | |
| -12.5 ** -2: object | |
| object(BcMath\Number)#5 (2) { | |
| ["value"]=> | |
| string(6) "0.0064" | |
| ["scale"]=> | |
| int(4) | |
| } | |
| -12.5 ** 0: object | |
| object(BcMath\Number)#4 (2) { | |
| ["value"]=> | |
| string(1) "1" | |
| ["scale"]=> | |
| int(0) | |
| } | |