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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Ceiling
{
/**
* CEILING.
*
* Returns number rounded up, away from zero, to the nearest multiple of significance.
* For example, if you want to avoid using pennies in your prices and your product is
* priced at $4.42, use the formula =CEILING(4.42,0.05) to round prices up to the
* nearest nickel.
*
* Excel Function:
* CEILING(number[,significance])
*
* @param float $number the number you want the ceiling
* @param float $significance the multiple to which you want to round
*
* @return float|string Rounded Number, or a string containing an error
*/
public static function ceiling($number, $significance = null)
{
if ($significance === null) {
self::floorCheck1Arg();
}
try {
$number = Helpers::validateNumericNullBool($number);
$significance = Helpers::validateNumericNullSubstitution($significance, ($number < 0) ? -1 : 1);
} catch (Exception $e) {
return $e->getMessage();
}
return self::argumentsOk((float) $number, (float) $significance);
}
/**
* CEILING.MATH.
*
* Round a number down to the nearest integer or to the nearest multiple of significance.
*
* Excel Function:
* CEILING.MATH(number[,significance[,mode]])
*
* @param mixed $number Number to round
* @param mixed $significance Significance
* @param int $mode direction to round negative numbers
*
* @return float|string Rounded Number, or a string containing an error
*/
public static function math($number, $significance = null, $mode = 0)
{
try {
$number = Helpers::validateNumericNullBool($number);
$significance = Helpers::validateNumericNullSubstitution($significance, ($number < 0) ? -1 : 1);
$mode = Helpers::validateNumericNullSubstitution($mode, null);
} catch (Exception $e) {
return $e->getMessage();
}
if (empty($significance * $number)) {
return 0.0;
}
if (self::ceilingMathTest((float) $significance, (float) $number, (int) $mode)) {
return floor($number / $significance) * $significance;
}
return ceil($number / $significance) * $significance;
}
/**
* CEILING.PRECISE.
*
* Rounds number up, away from zero, to the nearest multiple of significance.
*
* Excel Function:
* CEILING.PRECISE(number[,significance])
*
* @param mixed $number the number you want to round
* @param float $significance the multiple to which you want to round
*
* @return float|string Rounded Number, or a string containing an error
*/
public static function precise($number, $significance = 1)
{
try {
$number = Helpers::validateNumericNullBool($number);
$significance = Helpers::validateNumericNullSubstitution($significance, null);
} catch (Exception $e) {
return $e->getMessage();
}
if (!$significance) {
return 0.0;
}
$result = $number / abs($significance);
return ceil($result) * $significance * (($significance < 0) ? -1 : 1);
}
/**
* Let CEILINGMATH complexity pass Scrutinizer.
*/
private static function ceilingMathTest(float $significance, float $number, int $mode): bool
{
return ((float) $significance < 0) || ((float) $number < 0 && !empty($mode));
}
/**
* Avoid Scrutinizer problems concerning complexity.
*
* @return float|string
*/
private static function argumentsOk(float $number, float $significance)
{
if (empty($number * $significance)) {
return 0.0;
}
if (Helpers::returnSign($number) == Helpers::returnSign($significance)) {
return ceil($number / $significance) * $significance;
}
return Functions::NAN();
}
private static function floorCheck1Arg(): void
{
$compatibility = Functions::getCompatibilityMode();
if ($compatibility === Functions::COMPATIBILITY_EXCEL) {
throw new Exception('Excel requires 2 arguments for CEILING');
}
}
}