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

Export assignment tribonacci

• tribonacci(n: number): number

• Computes the nth Tribonacci number.

  Notes

  • If n is greater than 63, the function returns NaN, as larger Tribonacci numbers cannot be accurately represented due to limitations of double-precision floating-point format.
  • If not provided a nonnegative integer value, the function returns NaN.

  Parameters

  • n: number

    the Tribonacci number to compute

  Returns number

  Tribonacci number

  Example

  var y = tribonacci( 0 );
  // returns 0

  Example

  var y = tribonacci( 1 );
  // returns 0

  Example

  var y = tribonacci( 2 );
  // returns 1

  Example

  var y = tribonacci( 3 );
  // returns 1

  Example

  var y = tribonacci( 4 );
  // returns 2

  Example

  var y = tribonacci( 5 );
  // returns 4

  Example

  var y = tribonacci( 6 );
  // returns 7

  Example

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

  Example

  var y = tribonacci( 3.14 );
  // returns NaN

  Example

  var y = tribonacci( -1.0 );
  // returns NaN