External module "math/base/special/erf/docs/types/index.d"

Export assignment erf

• erf(x: number): number

• Evaluates the error function.

  Notes

  • As the error function is an odd function (i.e., erf(-x) == -erf(x)), if provided -0, the function returns -0.

  Parameters

  • x: number

    input value

  Returns number

  function value

  Example

  var y = erf( 2.0 );
  // returns ~0.9953

  Example

  var y = erf( -1.0 );
  // returns ~-0.8427

  Example

  var y = erf( -0.0 );
  // returns -0.0

  Example

  var y = erf( NaN );
  // returns NaN