External module "math/base/special/log2/docs/types/index.d"

log2

• log2(x: number): number

• Evaluates the binary logarithm (base two).

  Notes

  • For negative numbers, the binary logarithm is not defined.

  Parameters

  • x: number

    input value

  Returns number

  function value

  Example

  var v = log2( 4.0 );
  // returns 2.0

  Example

  var v = log2( 8.0 );
  // returns 3.0

  Example

  var v = log2( 0.0 );
  // returns -Infinity

  Example

  var v = log2( Infinity );
  // returns Infinity

  Example

  var v = log2( NaN );
  // returns NaN

  Example

  var v = log2( -4.0 );
  // returns NaN