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<?php |
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namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig; |
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use PhpOffice\PhpSpreadsheet\Calculation\Exception; |
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use PhpOffice\PhpSpreadsheet\Calculation\Functions; |
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class Floor |
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{ |
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private static function floorCheck1Arg(): void |
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{ |
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$compatibility = Functions::getCompatibilityMode(); |
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if ($compatibility === Functions::COMPATIBILITY_EXCEL) { |
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throw new Exception('Excel requires 2 arguments for FLOOR'); |
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} |
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} |
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/** |
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* FLOOR. |
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* |
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* Rounds number down, toward zero, to the nearest multiple of significance. |
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* |
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* Excel Function: |
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* FLOOR(number[,significance]) |
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* |
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* @param mixed $number Expect float. Number to round |
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* @param mixed $significance Expect float. Significance |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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public static function floor($number, $significance = null) |
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{ |
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if ($significance === null) { |
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self::floorCheck1Arg(); |
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} |
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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$significance = Helpers::validateNumericNullSubstitution($significance, ($number < 0) ? -1 : 1); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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return self::argumentsOk((float) $number, (float) $significance); |
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} |
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/** |
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* FLOOR.MATH. |
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* |
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* Round a number down to the nearest integer or to the nearest multiple of significance. |
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* |
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* Excel Function: |
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* FLOOR.MATH(number[,significance[,mode]]) |
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* |
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* @param mixed $number Number to round |
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* @param mixed $significance Significance |
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* @param mixed $mode direction to round negative numbers |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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public static function math($number, $significance = null, $mode = 0) |
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{ |
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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$significance = Helpers::validateNumericNullSubstitution($significance, ($number < 0) ? -1 : 1); |
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$mode = Helpers::validateNumericNullSubstitution($mode, null); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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return self::argsOk((float) $number, (float) $significance, (int) $mode); |
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} |
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/** |
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* FLOOR.PRECISE. |
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* |
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* Rounds number down, toward zero, to the nearest multiple of significance. |
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* |
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* Excel Function: |
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* FLOOR.PRECISE(number[,significance]) |
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* |
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* @param float $number Number to round |
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* @param float $significance Significance |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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public static function precise($number, $significance = 1) |
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{ |
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try { |
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$number = Helpers::validateNumericNullBool($number); |
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$significance = Helpers::validateNumericNullSubstitution($significance, null); |
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} catch (Exception $e) { |
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return $e->getMessage(); |
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} |
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return self::argumentsOkPrecise((float) $number, (float) $significance); |
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} |
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/** |
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* Avoid Scrutinizer problems concerning complexity. |
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* |
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* @return float|string |
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*/ |
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private static function argumentsOkPrecise(float $number, float $significance) |
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{ |
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if ($significance == 0.0) { |
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return Functions::DIV0(); |
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} |
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if ($number == 0.0) { |
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return 0.0; |
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} |
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return floor($number / abs($significance)) * abs($significance); |
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} |
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/** |
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* Avoid Scrutinizer complexity problems. |
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* |
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* @return float|string Rounded Number, or a string containing an error |
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*/ |
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private static function argsOk(float $number, float $significance, int $mode) |
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{ |
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if (!$significance) { |
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return Functions::DIV0(); |
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} |
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if (!$number) { |
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return 0.0; |
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} |
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if (self::floorMathTest($number, $significance, $mode)) { |
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return ceil($number / $significance) * $significance; |
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} |
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return floor($number / $significance) * $significance; |
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} |
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/** |
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* Let FLOORMATH complexity pass Scrutinizer. |
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*/ |
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private static function floorMathTest(float $number, float $significance, int $mode): bool |
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{ |
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return Helpers::returnSign($significance) == -1 || (Helpers::returnSign($number) == -1 && !empty($mode)); |
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} |
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/** |
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* Avoid Scrutinizer problems concerning complexity. |
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* |
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* @return float|string |
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*/ |
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private static function argumentsOk(float $number, float $significance) |
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{ |
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if ($significance == 0.0) { |
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return Functions::DIV0(); |
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} |
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if ($number == 0.0) { |
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return 0.0; |
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} |
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if (Helpers::returnSign($significance) == 1) { |
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return floor($number / $significance) * $significance; |
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} |
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if (Helpers::returnSign($number) == -1 && Helpers::returnSign($significance) == -1) { |
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return floor($number / $significance) * $significance; |
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} |
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return Functions::NAN(); |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
