65 lines
2.0 KiB
PHP
65 lines
2.0 KiB
PHP
<?php
|
|
|
|
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
|
|
|
|
use Exception;
|
|
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
|
|
|
|
class FloorMath
|
|
{
|
|
/**
|
|
* FLOOR.MATH.
|
|
*
|
|
* Round a number down to the nearest integer or to the nearest multiple of significance.
|
|
*
|
|
* Excel Function:
|
|
* FLOOR.MATH(number[,significance[,mode]])
|
|
*
|
|
* @param mixed $number Number to round
|
|
* @param mixed $significance Significance
|
|
* @param mixed $mode direction to round negative numbers
|
|
*
|
|
* @return float|string Rounded Number, or a string containing an error
|
|
*/
|
|
public static function evaluate($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();
|
|
}
|
|
|
|
return self::argsOk((float) $number, (float) $significance, (int) $mode);
|
|
}
|
|
|
|
/**
|
|
* Avoid Scrutinizer complexity problems.
|
|
*
|
|
* @return float|string Rounded Number, or a string containing an error
|
|
*/
|
|
private static function argsOk(float $number, float $significance, int $mode)
|
|
{
|
|
if (!$significance) {
|
|
return Functions::DIV0();
|
|
}
|
|
if (!$number) {
|
|
return 0.0;
|
|
}
|
|
if (self::floorMathTest($number, $significance, $mode)) {
|
|
return ceil($number / $significance) * $significance;
|
|
}
|
|
|
|
return floor($number / $significance) * $significance;
|
|
}
|
|
|
|
/**
|
|
* Let FLOORMATH complexity pass Scrutinizer.
|
|
*/
|
|
private static function floorMathTest(float $number, float $significance, int $mode): bool
|
|
{
|
|
return Helpers::returnSign($significance) == -1 || (Helpers::returnSign($number) == -1 && !empty($mode));
|
|
}
|
|
}
|