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42 lines
1.0 KiB
42 lines
1.0 KiB
2 months ago
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<?php
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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require __DIR__ . '/../../Header.php';
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$category = 'Engineering';
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$functionName = 'ERFC';
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$description = 'Returns the complementary ERF function integrated between x and infinity';
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$helper->titles($category, $functionName, $description);
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// Create new PhpSpreadsheet object
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$spreadsheet = new Spreadsheet();
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$worksheet = $spreadsheet->getActiveSheet();
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// Add some data
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$testData = [
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[0],
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[0.5],
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[1],
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[-1],
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];
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$testDataCount = count($testData);
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$worksheet->fromArray($testData, null, 'A1', true);
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for ($row = 1; $row <= $testDataCount; ++$row) {
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$worksheet->setCellValue('C' . $row, '=ERFC(A' . $row . ')');
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}
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// Test the formulae
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for ($row = 1; $row <= $testDataCount; ++$row) {
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$helper->log(sprintf(
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'(E%d): %s The complementary error function integrated by %f and infinity is %f',
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$row,
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$worksheet->getCell('C' . $row)->getValue(),
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$worksheet->getCell('A' . $row)->getValue(),
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$worksheet->getCell('C' . $row)->getCalculatedValue(),
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));
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}
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