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Fortran 2003

Details the support status with the Fortran 2003 standard.

Fortran 2003 support

Fortran 2003 Feature

Support Status

ISO TR 15580 IEEE Arithmetic

Yes

ISO TR 15581 Allocatable Enhancements

Dummy arrays

Yes

Function results

Yes

Structure components

Yes

Data enhancements and object orientation

Parameterized derived types

Yes

Procedure pointers

Yes

Finalization

Yes

Procedures bound by name to a type

Yes

The PASS attribute

Yes

Procedures bound to a type as operators

Yes

Type extension

Yes

Overriding a type-bound procedure

Yes

Enumerations

Yes

ASSOCIATE construct

Yes

Polymorphic entities

Yes

SELECT TYPE construct

Yes

Deferred bindings and abstract types

Yes

Allocatable scalars

Yes

Allocatable character length

Yes

Miscellaneous enhancements

Yes

Structure constructor changes

Yes

Generic procedure interfaces with the same name as a type

Yes

The allocate statement

Yes

Source specifier

Yes

Errmsg specifier

Yes

Assignment to an allocatable array

Yes

Transferring an allocation

Yes

More control of access from a module

Yes

Renaming operators on the USE statement

Yes

Pointer assignment

Yes

Pointer INTENT

Yes

The VOLATILE attribute

Yes

One or more issues are observed with this feature.

The IMPORT statement

Yes

Intrinsic modules

Yes

Access to the computing environment

Yes

Support for international character sets

Partial

Only selected_char_kind is supported.

Lengths of names and statements

names = 63

Yes

statements = 256

Yes

Binary, octal and hex constants

Yes

Array constructor syntax

Yes

Specification and initialization expressions

Yes

A few intrinsics which are not commonly used are not supported.

Complex constants

Yes

Changes to intrinsic functions

Yes

Controlling IEEE underflow

Yes

Another IEEE class value

Yes

I/O enhancements

Yes

Derived type I/O

Yes

One or more issues are observed with this feature.

Asynchronous I/O

Yes

One or more issues are observed with this feature.

FLUSH statement

Yes

IOMSG= specifier

Yes

Stream access input/output

Yes

ROUND= specifier

Yes

Not supported for write.

DECIMAL= specifier

Yes

SIGN= specifier

Yes

processor_defined does not work for open.

Kind type parameters of integer specifiers

Yes

Recursive input/output

Yes

Intrinsic function for newline character

Yes

Input and output of IEEE exceptional values

Yes

Read does not work for NaN(s).

Comma after a P edit descriptor

Yes

Interoperability with

Interoperability of intrinsic types

Yes

Interoperability with C pointers

Yes

Interoperability of derived types

Yes

Interoperability of variables

Yes

Interoperability of procedures

Yes

Interoperability of global data

Yes

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