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Turn IsInfiniteAbelianizationGroup into a property #2287

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Also add some true methods (e.g. finite groups never have infinite abelianization; all but trivial free groups do have infinite abelianization), and some tests

@fingolfin fingolfin requested a review from hulpke March 22, 2018 17:13
Also add some implications for it, e.g. finite groups never have infinite
abelianization; all but trivial free groups do have infinite abelianization).
Finally, add some tests.
@fingolfin fingolfin force-pushed the mh/IsInfiniteAbelianizationGroup branch from d31fc78 to ecb00ad Compare March 23, 2018 11:34
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codecov bot commented Mar 23, 2018

Codecov Report

Merging #2287 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2287      +/-   ##
==========================================
- Coverage   71.36%   71.35%   -0.02%     
==========================================
  Files         480      480              
  Lines      253182   253182              
==========================================
- Hits       180695   180666      -29     
- Misses      72487    72516      +29
Impacted Files Coverage Δ
hpcgap/lib/object.gd 50% <ø> (ø) ⬆️
lib/object.gd 50% <ø> (ø) ⬆️
lib/grpfp.gi 65.09% <ø> (ø) ⬆️
src/io.c 58.96% <0%> (-2.37%) ⬇️
src/iostream.c 57.89% <0%> (-1.88%) ⬇️
src/funcs.c 79.37% <0%> (-0.14%) ⬇️
lib/tom.gi 54.26% <0%> (-0.05%) ⬇️
src/hpc/threadapi.c 36.9% <0%> (+0.18%) ⬆️
lib/grplatt.gi 62.09% <0%> (+0.19%) ⬆️

@fingolfin fingolfin merged commit e8080b4 into gap-system:master Mar 27, 2018
@fingolfin fingolfin deleted the mh/IsInfiniteAbelianizationGroup branch March 27, 2018 19:13
@fingolfin fingolfin added kind: enhancement Label for issues suggesting enhancements; and for pull requests implementing enhancements topic: library labels Mar 28, 2018
@fingolfin fingolfin added the release notes: to be added PRs introducing changes that should be (but have not yet been) mentioned in the release notes label Jul 31, 2018
@fingolfin fingolfin added release notes: added PRs introducing changes that have since been mentioned in the release notes and removed release notes: to be added PRs introducing changes that should be (but have not yet been) mentioned in the release notes labels Sep 20, 2018
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