fpt Reference: CHANGE DATAPOOL TO A STANDARD COMMON BLOCK

fpt and WinFPT Reference Manual - Command-line Commands

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CHANGE DATAPOOL TO A STANDARD COMMON BLOCK

Syntax:

[DO NOT] CHANGE DATAPOOL [ TO A STANDARD COMMON [ BLOCK ] ]

Function:

This command is used when migrating code from Gould-SEL MPX systems.

The Gould-SEL (Encore) DATAPOOL construct is replaced by a standard Fortran COMMON block named /DATAPOOL/. All variables in the DATAPOOL are declared in a single INCLUDE file which is inserted in every sub-program which needs it. Existing DATAPOOL declarations are removed. The addresses of objects in the DATAPOOL are preserved by writing EQUIVALENCE statements to a new byte array named DP_BYTE which forms a backbone to the /DATAPOOL/ COMMON block.

The command CHANGE DATAPOOL requires that a DATAPOOL listing file has been read. Please see the command DATAPOOL LISTING FILE.

Where to Use this Command

Operating system command line	Yes
Configuration file, config.fsp	Yes
Specification (fsp) files, *.fsp	Yes
Interactively, to FPT> prompt	Yes
Interactive command files	Yes
Embedded in the Fortran code	No

Default

The DATAPOOL is not converted by default.