islset = libisl.isl_set_lexmax(islset)
return self._fromislset(islset, self.symbols)
- _RE_COORDINATE = re.compile(r'\((?P<num>\-?\d+)\)(/(?P<den>\d+))?')
+ if islhelper.isl_version >= '0.13':
+ _RE_COORDINATE = re.compile(r'\((?P<num>\-?\d+)\)(/(?P<den>\d+))?')
+ else:
+ _RE_COORDINATE = None
def vertices(self):
"""
for vertex in vertices:
expr = libisl.isl_vertex_get_expr(vertex)
coordinates = []
- if islhelper.isl_version < '0.13':
+ if self._RE_COORDINATE is None:
constraints = islhelper.isl_basic_set_constraints(expr)
for constraint in constraints:
constant = libisl.isl_constraint_get_constant_val(constraint)
elif self.dimension == 3:
return self._plot_3d(plot=plot, **kwargs)
else:
- raise ValueError('polyhedron must be 2 or 3-dimensional')
+ raise ValueError('domain must be 2 or 3-dimensional')
def subs(self, symbol, expression=None):
"""