<?php
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namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
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use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
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use PhpOffice\PhpSpreadsheet\Calculation\Exception;
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use PhpOffice\PhpSpreadsheet\Calculation\Functions;
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use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
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class Floor
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{
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use ArrayEnabled;
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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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* Or can be an array of values
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* @param mixed $significance Expect float. Significance
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* Or can be an array of values
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*
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* @return array|float|string Rounded Number, or a string containing an error
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* If an array of numbers is passed as an 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 floor(mixed $number, mixed $significance = null)
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{
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if (is_array($number) || is_array($significance)) {
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return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $significance);
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}
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if ($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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* Or can be an array of values
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* @param mixed $significance Significance
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* Or can be an array of values
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* @param mixed $mode direction to round negative numbers
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* Or can be an array of values
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*
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* @return array|float|string Rounded Number, or a string containing an error
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* If an array of numbers is passed as an 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 math(mixed $number, mixed $significance = null, mixed $mode = 0)
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{
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if (is_array($number) || is_array($significance) || is_array($mode)) {
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return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $significance, $mode);
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}
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try {
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$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 array|float $number Number to round
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* Or can be an array of values
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* @param array|float $significance Significance
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* Or can be an array of values
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*
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* @return array|float|string Rounded Number, or a string containing an error
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* If an array of numbers is passed as an argument, then the returned result will also be an array
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* with the same dimensions
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*/
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public static function precise($number, $significance = 1)
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{
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if (is_array($number) || is_array($significance)) {
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return self::evaluateArrayArguments([self::class, __FUNCTION__], $number, $significance);
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}
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try {
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$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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private static function argumentsOkPrecise(float $number, float $significance): string|float
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{
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if ($significance == 0.0) {
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return ExcelError::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 $mode): string|float
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{
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if (!$significance) {
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return ExcelError::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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private static function argumentsOk(float $number, float $significance): string|float
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{
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if ($significance == 0.0) {
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return ExcelError::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 ExcelError::NAN();
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}
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}
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