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Annex F

(normative)

Information Systems

1
This Annex provides a set of facilities relevant to Information Systems programming. These fall into several categories: 
2
3
4/2
5/2
See also: 3.5.9, “Fixed Point Types”; 3.5.10, “Operations of Fixed Point Types”; 4.6, “Type Conversions”; 13.3, “Operational and Representation Attributes”; A.10.9, “Input-Output for Real Types”; B.3, “Interfacing with C and C++”; B.4, “Interfacing with COBOL”; Annex G, “Numerics”.
6
The character and string handling packages in Annex A, “Predefined Language Environment” are also relevant for Information Systems. 

Implementation Advice

7
If COBOL (respectively, C) is widely supported in the target environment, implementations supporting the Information Systems Annex should provide the child package Interfaces.COBOL (respectively, Interfaces.C) specified in Annex B and should support a convention_identifier of COBOL (respectively, C) in the interfacing pragmas (see Annex B), thus allowing Ada programs to interface with programs written in that language. 

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