id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,merged,author,reviewer,upstream,work_issues,branch,commit,dependencies,stopgaps
9810,Heisenbug in RationalPolyhedralCone.facets,vbraun,mhampton,"The `faces` method of a cone in a fan manages to screw up subsequent `facet` output:
{{{
sage: cone = toric_varieties.dP8().fan().generating_cone(0)
sage: cone
2-d cone of Rational polyhedral fan in 2-d lattice N
sage: cone.facets()
(1-d cone of Rational polyhedral fan in 2-d lattice N, 1-d cone of Rational polyhedral fan in 2-d lattice N)
sage: cone.faces()
((0-d cone of Rational polyhedral fan in 2-d lattice N,), (1-d cone of Rational polyhedral fan in 2-d lattice N, 1-d cone of Rational polyhedral fan in 2-d lattice N), (2-d cone of Rational polyhedral fan in 2-d lattice N,))
sage: cone.facets()
(2-d cone of Rational polyhedral fan in 2-d lattice N,)
}}}
This is on vanilla Sage 4.5.2 without any patches applied. Andrey, I think its somewhere in your code so you'll probably find it faster than I can.",defect,closed,major,sage-4.6,geometry,fixed,,novoselt,sage-4.6.alpha1,Andrey Novoseltsev,Volker Braun,N/A,,,,,