External module "number/float64/base/exponent/docs/types/index.d"

Export assignment exponent

• exponent(x: number): number

• Returns an integer corresponding to the unbiased exponent of a double-precision floating-point number.

  Parameters

  • x: number

    input value

  Returns number

  unbiased exponent

  Example

  var exp = exponent( 3.14e-307 ); // => 2**-1019 ~ 1e-307
  // returns -1019

  Example

  var exp = exponent( -3.14 );
  // returns 1

  Example

  var exp = exponent( 0.0 );
  // returns -1023

  Example

  var exp = exponent( NaN );
  // returns 1024