On Wednesday 18 Jan 2012 10:48:48 Martin Baker wrote:
> Are you interested in an implementation of graph theory I have put
> here:
> https://github.com/martinbaker/fricas/blob/master/src/algebra/graph.spad.pamphlet
>
> If so there is a tutorial here:
> http://www.euclideanspace.com/maths/standards/program/mycode/discrete/graph/
I forgot to mention that there is a complication with compiling the
code.
It compiles fine, but only if the domains already are loaded,
otherwise I get an error message like this:
compiling exported * : ($,$) -> DirectedGraph Product(S,S)
Internal Error
Error while instantiating type DirectedGraph(Product S S)
So I have to follow a procedure like this to boot it up:
1) Make a temporary version of 'directedGraph.spad' file
2) Edit out the declarations and definitions for:
"*":(%,%) -> GRPHPROD
cartesian:(%,%) -> GRPHPROD
3) Compile the temporary code.
4) Compile the original code.
Am I doing something wrong here? Is there a better workaround?
Martin
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