55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Statistical;
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
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use PHPUnit\Framework\TestCase;
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class NormInvTest extends TestCase
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{
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/**
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* @dataProvider providerNORMINV
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*
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* @param mixed $expectedResult
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*/
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public function testNORMINV($expectedResult, ...$args): void
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{
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$result = Statistical::NORMINV(...$args);
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self::assertEqualsWithDelta($expectedResult, $result, 1E-8);
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}
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public function providerNORMINV(): array
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{
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return require 'tests/data/Calculation/Statistical/NORMINV.php';
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}
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/**
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* @dataProvider providerNormInvArray
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*/
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public function testNormInvArray(array $expectedResult, string $probabilities, string $mean, string $stdDev): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=NORMINV({$probabilities}, {$mean}, {$stdDev})";
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$result = $calculation->_calculateFormulaValue($formula);
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self::assertEqualsWithDelta($expectedResult, $result, 1.0e-14);
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}
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public function providerNormInvArray(): array
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{
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return [
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'row/column vectors' => [
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[
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[2.651020499553155, 4.651020499553155],
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[1.9765307493297324, 3.9765307493297324],
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[-0.7214282515639576, 1.2785717484360424],
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],
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'0.25',
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'{4, 6}',
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'{2; 3; 7}',
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],
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];
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}
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}
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