Compare.php

Go to the documentation of this file.

<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;

use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;

class Compare
{
    public static function DELTA($a, $b = 0)
    {
        $a = Functions::flattenSingleValue($a);
        $b = Functions::flattenSingleValue($b);

        try {
            $a = EngineeringValidations::validateFloat($a);
            $b = EngineeringValidations::validateFloat($b);
        } catch (Exception $e) {
            return $e->getMessage();
        }

        return (int) ($a == $b);
    }

    public static function GESTEP($number, $step = 0)
    {
        $number = Functions::flattenSingleValue($number);
        $step = Functions::flattenSingleValue($step);

        try {
            $number = EngineeringValidations::validateFloat($number);
            $step = EngineeringValidations::validateFloat($step);
        } catch (Exception $e) {
            return $e->getMessage();
        }

        return (int) ($number >= $step);
    }
}