X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/cd2197879049a836b02a331adf0a00c0b87fe043..ef94baf60054758dcea30bc444d0002fec2da361:/pypol/domains.py diff --git a/pypol/domains.py b/pypol/domains.py index 632335b..1ffed45 100644 --- a/pypol/domains.py +++ b/pypol/domains.py @@ -168,12 +168,19 @@ class Domain: return Domain._fromislset(islset, dims) def sample(self): - from .polyhedra import Polyhedron islset = self._toislset(self.polyhedra, self.symbols) - islbset = libisl.isl_set_sample(islset) - # next instruction should NOT be required - islbset = libisl.isl_basic_set_finalize(islbset) - return Polyhedron._fromislbasicset(islbset, self.symbols) + islpoint = libisl.isl_set_sample_point(islset) + if bool(libisl.isl_point_is_void(islpoint)): + libisl.isl_point_free(islpoint) + raise ValueError('domain must be non-empty') + point = {} + for index, symbol in enumerate(self.symbols): + coordinate = libisl.isl_point_get_coordinate_val(islpoint, + libisl.isl_dim_set, index) + coordinate = islhelper.isl_val_to_int(coordinate) + point[symbol] = coordinate + libisl.isl_point_free(islpoint) + return point def intersection(self, *others): if len(others) == 0: