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<?php |
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|
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namespace TablePress\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig; |
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|
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use TablePress\PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled; |
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use TablePress\PhpOffice\PhpSpreadsheet\Calculation\Exception; |
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use TablePress\PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Helpers; |
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|
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class Secant |
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{ |
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use ArrayEnabled; |
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|
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/** |
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* SEC. |
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* |
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* Returns the secant of an angle. |
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* |
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* @param array<mixed>|float $angle Number, or can be an array of numbers |
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* |
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* @return array<mixed>|float|string The secant of the angle |
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* If an array of numbers is passed as the argument, then the returned result will also be an array |
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* with the same dimensions |
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*/ |
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public static function sec($angle) |
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{ |
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if (is_array($angle)) { |
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return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $angle); |
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} |
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|
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try { |
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$angle = Helpers::validateNumericNullBool($angle); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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|
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return Helpers::verySmallDenominator(1.0, cos($angle)); |
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} |
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|
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/** |
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* SECH. |
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* |
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* Returns the hyperbolic secant of an angle. |
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* |
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* @param array<mixed>|float $angle Number, or can be an array of numbers |
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* |
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* @return array<mixed>|float|string The hyperbolic secant of the angle |
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* If an array of numbers is passed as the argument, then the returned result will also be an array |
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* with the same dimensions |
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*/ |
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public static function sech($angle) |
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{ |
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if (is_array($angle)) { |
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return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $angle); |
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} |
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|
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try { |
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$angle = Helpers::validateNumericNullBool($angle); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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|
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return Helpers::verySmallDenominator(1.0, cosh($angle)); |
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} |
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} |
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|