55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Engineering;
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
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use PhpOffice\PhpSpreadsheet\Calculation\Engineering;
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use PHPUnit\Framework\TestCase;
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class ErfTest extends TestCase
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{
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const ERF_PRECISION = 1E-12;
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/**
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* @dataProvider providerERF
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*
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* @param mixed $lower
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* @param null|mixed $upper
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* @param mixed $expectedResult
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*/
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public function testERF($expectedResult, $lower, $upper = null): void
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{
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$result = Engineering::ERF($lower, $upper);
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self::assertEqualsWithDelta($expectedResult, $result, self::ERF_PRECISION);
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}
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public function providerERF(): array
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{
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return require 'tests/data/Calculation/Engineering/ERF.php';
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}
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/**
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* @dataProvider providerErfArray
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*/
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public function testErfArray(array $expectedResult, string $lower, string $upper = 'NULL'): void
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{
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$calculation = Calculation::getInstance();
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$formula = "=ERF({$lower}, {$upper})";
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$result = $calculation->_calculateFormulaValue($formula);
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self::assertEqualsWithDelta($expectedResult, $result, self::ERF_PRECISION);
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}
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public function providerErfArray(): array
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{
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return [
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'row vector' => [
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[
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[-0.9103139782296353, -0.5204998778130465, 0.0, 0.2763263901682369, 0.999593047982555],
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],
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'{-1.2, -0.5, 0.0, 0.25, 2.5}',
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],
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];
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}
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}
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