External module "math/base/special/gamma-lanczos-sum/docs/types/index.d"

Export assignment gammaLanczosSum

• gammaLanczosSum(x: number): number

• Calculates the Lanczos sum approximation.

  Parameters

  • x: number

    input value

  Returns number

  Lanczos sum approximation

  Example

  var v = gammaLanczosSum( 4.0 );
  // returns ~950.366

  Example

  var v = gammaLanczosSum( -1.5 );
  // returns ~1373366.245

  Example

  var v = gammaLanczosSum( -0.5 );
  // returns ~-699841.735

  Example

  var v = gammaLanczosSum( 0.5 );
  // returns ~96074.186

  Example

  var v = gammaLanczosSum( 0.0 );
  // returns Infinity

  Example

  var v = gammaLanczosSum( NaN );
  // returns NaN