Features for testing the presence of coxeter3

class sage.features.coxeter3.Coxeter3(*args, **kwds)[source]

Bases: JoinFeature

A Feature which describes whether the sage.libs.coxeter3 module is available in this installation of Sage.

EXAMPLES:

sage: from sage.features.coxeter3 import Coxeter3
sage: Coxeter3().require()  # optional - coxeter3
>>> from sage.all import *
>>> from sage.features.coxeter3 import Coxeter3
>>> Coxeter3().require()  # optional - coxeter3
sage.features.coxeter3.all_features()[source]