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From: falk@cpsc.UCalgary.CA (Geoffrey Falk)
Newsgroups: comp.sys.next
Subject: Mathematica/C query
Message-ID: <1990Jun12.214454.17383@calgary.uucp>
Date: 12 Jun 90 21:44:54 GMT
Sender: news@calgary.uucp (Network News Manager)
Reply-To: falk@cpsc.UCalgary.CA (Geoffrey Falk)
Organization: U. of Calgary, Calgary, Alberta, Canada
Lines: 22


Hello...

I am using Mathematica to compute linefields of differential equations
relating to differential geometry.

The problem is, it takes a long time (~30 mins or more) to compute some of
these linefields.  I have written a C program to do the calculations much
more quickly but the file "mdefs.h" is required.  Unfortunately, this file
doesn't seem to exist on this system (a NeXT).

The documentations says that it is in a Mathematica/Source directory.
Does one need a source code license to get this file?  It isn't really
Mathematica source.  What it contains, is (mostly) macros to enable the C
compiler to interpret expressions in a C program built with Mathematica.

If anybody has this file or knows where I can get it, I would appreciate
Email...

Thanx.

Geoffrey Falk