[sage-support] Re: cannot install sage: gfortran-7.2.0 failed to build

2018-03-07 Thread Matthew Lancellotti
I simply ran 'make'. Updating Xcode fixed the issue. On Wednesday, March 7, 2018 at 12:04:47 AM UTC-5, Dima Pasechnik wrote: > > > > On Tuesday, March 6, 2018 at 11:56:59 PM UTC, Matthew Lancellotti wrote: >> >> sage: latest version (8.1) (from https://github.com/sagemath/sage, last >> updated

[sage-support] Re: cannot install sage: gfortran-7.2.0 failed to build

2018-03-07 Thread Dima Pasechnik
On Wednesday, March 7, 2018 at 5:53:19 PM UTC, Matthew Lancellotti wrote: > > I simply ran 'make'. > if you change branches, it might be wise to re-run ./bootstrap and ./configure, as configuration data in configure.ac etc might change between the branches. > > Updating Xcode fixed the

[sage-support] Re: Graph canonical form directly on matrices

2018-03-07 Thread Christian Stump
Dear Dima, Ultimately, the classical canonical form/isomorphism implementations run on > (di)graphs represented by 0-1 matrices, often > with bit entries. So that's how bliss_digraph is represented too. > Thanks for this info clarifying that it seems impossible to feed the algorithm any other

[sage-support] Re: Graph canonical form directly on matrices

2018-03-07 Thread Christian Stump
Dear Simon, Anyway, looking at sage/graphs/bliss.pyx, it seems easy to modify your > code to directly create a bliss graph. > Help there is highly appreciated :-), I don't know how to do that appropriately... Christian -- You received this message because you are subscribed to the Google

[sage-support] Re: Graph canonical form directly on matrices

2018-03-07 Thread Simon King
Dear Christian, On 2018-03-07, Christian Stump wrote: > Anyway, looking at sage/graphs/bliss.pyx, it seems easy to modify your >> code to directly create a bliss graph. >> > > Help there is highly appreciated :-), I don't know how to do that > appropriately... Just

[sage-support] Re: Graph canonical form directly on matrices

2018-03-07 Thread Christian Stump
Dear Simon and Dima, I moved this to https://trac.sagemath.org/ticket/24924 for better traceability and to show you some code snippets... Cheers, Christian -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and

[sage-support] Re: Graph canonical form directly on matrices

2018-03-07 Thread Dima Pasechnik
On Wednesday, March 7, 2018 at 8:44:52 AM UTC, Christian Stump wrote: > > Dear Dima, > > Ultimately, the classical canonical form/isomorphism implementations run >> on (di)graphs represented by 0-1 matrices, often >> with bit entries. So that's how bliss_digraph is represented too. >> > >

[sage-support] Re: Graph canonical form directly on matrices

2018-03-07 Thread Simon King
On 2018-03-07, Dima Pasechnik wrote: > Ultimately, the classical canonical form/isomorphism implementations run on > (di)graphs represented by 0-1 matrices, often > with bit entries. So that's how bliss_digraph is represented too. > Constructing it directly might be