DBLE(A)

Purpose

Convert to double precision real type.

Class

Elemental function

Argument type and attributes

A

An INTENT(IN) INTEGER, REAL, COMPLEX, or boz-literal CONSTANT

Result type and attributes

Double precision real.

Result value

• If A is of type double precision real, DBLE(A) = A.
• If A is of type integer or real, the result has as much precision of the significant part of A as a double precision real datum can contain.
• If A is of type complex, the result has as much precision of the significant part of the real part of A as a double precision real datum can contain.