Language Reference

HUGE(X)

Returns the largest number in the model representing numbers of the same type and kind type parameter as the argument.

X

must be of type integer or real. It may be scalar or array valued.

Class

Inquiry function

Result Type and Attributes

Scalar of the same type and kind type parameter as X.

Result Value

• If X is of any integer type, the result is:

  2DIGITS(X) - 1
  

• If X is of any real type, the result is:

  (1.0 - 2.0-DIGITS(X)) * 
  (2.0MAXEXPONENT(X))
  

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Examples

HUGE (X) = (1D0 - 2D0**-53) * (2D0**1024) for X of type real(8).

HUGE (X) = (2**63) - 1 for X of type integer(8).

See Data Representation Models.

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