Opened 7 years ago
Closed 7 years ago
#19133 closed enhancement (fixed)
Three Wittbased strongly regular graphs
Reported by:  ncohen  Owned by:  

Priority:  major  Milestone:  sage6.9 
Component:  graph theory  Keywords:  
Cc:  dimpase  Merged in:  
Authors:  Nathann Cohen  Reviewers:  Dima Pasechnik 
Report Upstream:  N/A  Work issues:  
Branch:  3bc31a1 (Commits, GitHub, GitLab)  Commit:  3bc31a1b7e08f4e57f325ce7d386ca0af36695e6 
Dependencies:  Stopgaps: 
Description
This ticket adds three new strongly regular graphs, and a useful method to Incidence Structures.
Nathann
Change History (9)
comment:1 Changed 7 years ago by
Branch:  → public/19133 

Status:  new → needs_review 
comment:2 Changed 7 years ago by
Commit:  → ac6634b03ab1cfec19d55904b410b9baea22d5d5 

comment:3 Changed 7 years ago by
Commit:  ac6634b03ab1cfec19d55904b410b9baea22d5d5 → 302e6bcfe8581491033aebbae7fcb7aae42a55b9 

Branch pushed to git repo; I updated commit sha1. This was a forced push. New commits:
302e6bc  trac #19133: Three Wittbased strongly regular graphs

comment:4 Changed 7 years ago by
Reviewers:  → Dima Pasechnik 

Status:  needs_review → positive_review 
no objection
comment:6 Changed 7 years ago by
Status:  positive_review → needs_work 

********************************************************************** File "src/sage/graphs/strongly_regular_db.pyx", line 783, in sage.graphs.strongly_regular_db.SRG_253_140_87_65 Failed example: G = SRG_253_140_87_65() Exception raised: Traceback (most recent call last): File "/mnt/disk/home/release/Sage/local/lib/python2.7/sitepackages/sage/doctest/forker.py", line 496, in _run self.compile_and_execute(example, compiler, test.globs) File "/mnt/disk/home/release/Sage/local/lib/python2.7/sitepackages/sage/doctest/forker.py", line 858, in compile_and_execute exec(compiled, globs) File "<doctest sage.graphs.strongly_regular_db.SRG_253_140_87_65[1]>", line 1, in <module> G = SRG_253_140_87_65() File "sage/graphs/strongly_regular_db.pyx", line 789, in sage.graphs.strongly_regular_db.SRG_253_140_87_65 (build/cythonized/sage/graphs/strongly_regular_db.c:12499) W = WittDesign(23) File "/mnt/disk/home/release/Sage/local/lib/python2.7/sitepackages/sage/combinat/designs/block_design.py", line 790, in WittDesign gap.load_package("design") File "/mnt/disk/home/release/Sage/local/lib/python2.7/sitepackages/sage/interfaces/gap.py", line 507, in load_package "You may want to install the gap_packages and/or database_gap SPKGs.") RuntimeError: Error loading Gap package design. You may want to install the gap_packages and/or database_gap SPKGs.
comment:7 Changed 7 years ago by
Commit:  302e6bcfe8581491033aebbae7fcb7aae42a55b9 → 3bc31a1b7e08f4e57f325ce7d386ca0af36695e6 

comment:9 Changed 7 years ago by
Branch:  public/19133 → 3bc31a1b7e08f4e57f325ce7d386ca0af36695e6 

Resolution:  → fixed 
Status:  positive_review → closed 
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Branch pushed to git repo; I updated commit sha1. New commits:
trac #19133: Three Wittbased strongly regular graphs