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* How did I manage to check this in without actually trying to buildSimon Tatham2008-09-07
| | | | | | | | | on Windows at all?! Fix some departures from the C standard, mostly declaring variables after a statement has already been issued in the same block. MSVC is picky about this where gcc is forgiving, and TBH I'd change the latter given the choice. [originally from svn r8166]
* Completely re-engineered version of Loopy, courtesy of LambrosSimon Tatham2008-09-06
Lambrou. Now capable of handling triangular and hexagonal grids as well as square ones, and then a number of semiregular plane tilings and duals of semiregular ones. In fact, most of the solver code supports an _arbitrary_ planar graph (well, provided both the graph and its dual have no self-edges), so it could easily be extended further with only a little more effort. [originally from svn r8162]