Checks for bliss¶

class
sage.features.bliss.
Bliss
¶ Bases:
sage.features.PythonModule
A
Feature
which describes whether thesage.graphs.bliss
module has been enabled for this build of Sage and is functional.EXAMPLES:
sage: from sage.features.bliss import Bliss sage: Bliss().require() # optional: bliss

class
sage.features.bliss.
BlissLibrary
¶ Bases:
sage.features.CythonFeature
A
Feature
which describes whether the Bliss library is present and functional.EXAMPLES:
sage: from sage.features.bliss import BlissLibrary sage: BlissLibrary().require() # optional: bliss