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<?php |
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declare(strict_types=1); |
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namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\MathTrig; |
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation; |
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class TruncTest extends AllSetupTeardown |
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{ |
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/** |
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* @dataProvider providerTRUNC |
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*/ |
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public function testTRUNC(mixed $expectedResult, string $formula): void |
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{ |
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$this->mightHaveException($expectedResult); |
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$sheet = $this->getSheet(); |
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$sheet->setCellValue('A2', 1.3); |
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$sheet->setCellValue('A3', 2.7); |
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$sheet->setCellValue('A4', -3.8); |
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$sheet->setCellValue('A5', -5.2); |
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$sheet->getCell('A1')->setValue("=TRUNC($formula)"); |
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$result = $sheet->getCell('A1')->getCalculatedValue(); |
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self::assertEqualsWithDelta($expectedResult, $result, 1E-12); |
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} |
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public static function providerTRUNC(): array |
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{ |
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return require 'tests/data/Calculation/MathTrig/TRUNC.php'; |
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} |
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/** |
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* @dataProvider providerTruncArray |
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*/ |
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public function testTruncArray(array $expectedResult, string $argument1, string $argument2): void |
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{ |
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$calculation = Calculation::getInstance(); |
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$formula = "=TRUNC({$argument1}, {$argument2})"; |
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$result = $calculation->_calculateFormulaValue($formula); |
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self::assertEqualsWithDelta($expectedResult, $result, 1.0e-14); |
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} |
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public static function providerTruncArray(): array |
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{ |
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return [ |
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'matrix' => [[[3.14, 3.141], [3.14159, 3.14159265]], '3.1415926536', '{2, 3; 5, 8}'], |
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]; |
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} |
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public function testTooMuchPrecision(): void |
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{ |
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// This test is pretty screwy. Possibly shouldn't even attempt it. |
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// At any rate, these results seem to indicate that PHP |
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// maximum precision is PHP_FLOAT_DIG - 1 digits, not PHP_FLOAT_DIG. |
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// If that changes, at least one of these tests will have to change. |
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$sheet = $this->getSheet(); |
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$sheet->getCell('E1')->setValue(10.0 ** (PHP_FLOAT_DIG - 3) + 1.2); |
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$sheet->getCell('E2')->setValue('=TRUNC(E1,1)'); |
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$result = $sheet->getCell('E2')->getCalculatedValue(); |
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$expectedResult = '1' . str_repeat('0', PHP_FLOAT_DIG - 4) . '1.2'; |
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self::assertSame($expectedResult, (string) $result); |
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$sheet->getCell('F1')->setValue(10.0 ** (PHP_FLOAT_DIG - 2) + 1.2); |
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$sheet->getCell('F2')->setValue('=TRUNC(F1,1)'); |
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$result = $sheet->getCell('F2')->getCalculatedValue(); |
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$expectedResult = '1' . str_repeat('0', PHP_FLOAT_DIG - 3) . '1'; |
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self::assertSame($expectedResult, (string) $result); |
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$sheet->getCell('G1')->setValue(10.0 ** (PHP_FLOAT_DIG - 1) + 1.2); |
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$sheet->getCell('G2')->setValue('=TRUNC(G1,1)'); |
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$result = $sheet->getCell('G2')->getCalculatedValue(); |
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$expectedResult = '1.0E+' . (PHP_FLOAT_DIG - 1); |
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self::assertSame($expectedResult, (string) $result); |
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$sheet->getCell('H1')->setValue(10.0 ** PHP_FLOAT_DIG + 1.2); |
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$sheet->getCell('H2')->setValue('=TRUNC(H1,1)'); |
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$result = $sheet->getCell('H2')->getCalculatedValue(); |
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$expectedResult = '1.0E+' . PHP_FLOAT_DIG; |
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self::assertSame($expectedResult, (string) $result); |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
