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* Interfacing Gnat to Fortran Complex*16
@ 2005-01-10 14:29 Steve Sangwine
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From: Steve Sangwine @ 2005-01-10 14:29 UTC (permalink / raw)


Has anyone tried and succeeded in interfacing Ada code compiled with
Gnat (gcc 3.4.2 version) to Fortran code, passing double precision
complex arrays to the Fortran code (Complex*16)?

Background: the LRM Annex B specifies only single precision complex
in Interfaces.Fortran, and I have code for which this works (I am
interfacing to the LAPACK numerical library). LAPACK contains a
double precision version of the routine I am using and I would like
to interface to it.

Problem: although the single precision routine works fine, the double
precision code goes into an apparently infinite loop.

Steve Sangwine
University of Essex, UK.



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