public static function PHPExcel_Calculation_Engineering::IMPOWER in Loft Data Grids 6.2

Same name and namespace in other branches

1. 7.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Calculation/Engineering.php \PHPExcel_Calculation_Engineering::IMPOWER()

* IMPOWER * * Returns a complex number in x + yi or x + yj text format raised to a power. * * Excel Function: * IMPOWER(complexNumber,realNumber) * *

Parameters

string $complexNumber The complex number you want to raise to a power.: * @param float $realNumber The power to which you want to raise the complex number. * @return string

File

vendor/phpoffice/phpexcel/Classes/PHPExcel/Calculation/Engineering.php, line 2005

Class

PHPExcel_Calculation_Engineering

PHPExcel_Calculation_Engineering

Code

public static function IMPOWER($complexNumber, $realNumber) {
  $complexNumber = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
  $realNumber = PHPExcel_Calculation_Functions::flattenSingleValue($realNumber);
  if (!is_numeric($realNumber)) {
    return PHPExcel_Calculation_Functions::VALUE();
  }
  $parsedComplex = self::_parseComplex($complexNumber);
  $r = sqrt($parsedComplex['real'] * $parsedComplex['real'] + $parsedComplex['imaginary'] * $parsedComplex['imaginary']);
  $rPower = pow($r, $realNumber);
  $theta = self::IMARGUMENT($complexNumber) * $realNumber;
  if ($theta == 0) {
    return 1;
  }
  elseif ($parsedComplex['imaginary'] == 0.0) {
    return self::COMPLEX($rPower * cos($theta), $rPower * sin($theta), $parsedComplex['suffix']);
  }
  else {
    return self::COMPLEX($rPower * cos($theta), $rPower * sin($theta), $parsedComplex['suffix']);
  }
}