Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 7/13/2023
Public

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DIGITS

Inquiry Intrinsic Function (Generic): Returns the number of significant digits for numbers of the same type and kind parameters as the argument.

result = DIGITS (x)

x

(Input) Must be of type integer or real; it can be scalar or array valued.

Results

The result is a scalar of type default integer.

The result has the value q if x is of type integer; it has the value p if x is of type real. Integer parameter q is defined in Model for Integer Data; real parameter p is defined in Model for Real Data.

Example

If x is of type REAL(4), DIGITS(x) has the value 24.