Feature for testing the presence of lcalc¶

sage.features.lcalc.all_features()[source]¶

class sage.features.lcalc.lcalc(*args, **kwds)[source]¶

Bases: Executable

A Feature describing the presence of lcalc.

EXAMPLES:

Sage

sage: from sage.features.lcalc import lcalc
sage: lcalc().is_present()                              # needs lcalc
FeatureTestResult('lcalc_executable', True)

Python

>>> from sage.all import *
>>> from sage.features.lcalc import lcalc
>>> lcalc().is_present()                              # needs lcalc
FeatureTestResult('lcalc_executable', True)

Sage Live

from sage.features.lcalc import lcalc
lcalc().is_present()                              # needs lcalc