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