public static function PHPExcel_Calculation_Engineering::IMLOG10 in Loft Data Grids 6.2
Same name and namespace in other branches
- 7.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Calculation/Engineering.php \PHPExcel_Calculation_Engineering::IMLOG10()
* IMLOG10 * * Returns the common logarithm (base 10) of a complex number in x + yi or x + yj text format. * * Excel Function: * IMLOG10(complexNumber) * *
Parameters
string $complexNumber The complex number for which you want the common logarithm.: * @return string
File
- vendor/
phpoffice/ phpexcel/ Classes/ PHPExcel/ Calculation/ Engineering.php, line 1920
Class
- PHPExcel_Calculation_Engineering
- PHPExcel_Calculation_Engineering
Code
public static function IMLOG10($complexNumber) {
$complexNumber = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
$parsedComplex = self::_parseComplex($complexNumber);
if ($parsedComplex['real'] == 0.0 && $parsedComplex['imaginary'] == 0.0) {
return PHPExcel_Calculation_Functions::NaN();
}
elseif ($parsedComplex['real'] > 0.0 && $parsedComplex['imaginary'] == 0.0) {
return log10($parsedComplex['real']);
}
return self::IMPRODUCT(log10(EULER), self::IMLN($complexNumber));
}