X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/blobdiff_plain/f933aea6fd6030396e0305dd169753a5d1c9b90e..8c9a4d4d0ecef68ff3cd0f7806a69013d34a2013:/pypol/domains.py?ds=inline diff --git a/pypol/domains.py b/pypol/domains.py index 05c9c8f..632335b 100644 --- a/pypol/domains.py +++ b/pypol/domains.py @@ -144,7 +144,7 @@ class Domain: islset = libisl.isl_set_remove_redundancies(islset) return self._fromislset(islset, self.symbols) - def polyhedral_hull(self): + def aspolyhedron(self): # several types of hull are available # polyhedral seems to be the more appropriate, to be checked from .polyhedra import Polyhedron @@ -152,7 +152,7 @@ class Domain: islbset = libisl.isl_set_polyhedral_hull(islset) return Polyhedron._fromislbasicset(islbset, self.symbols) - def project_out(self, dims): + def project(self, dims): # use to remove certain variables islset = self._toislset(self.polyhedra, self.symbols) n = 0 @@ -250,34 +250,33 @@ class Domain: return value def vertices(self): - if self.isbounded(): - islbset = self._toislbasicset(self.equalities, self.inequalities, self.symbols) - vertices = libisl.isl_basic_set_compute_vertices(islbset); - vertexes = islhelper.isl_vertices_vertices(vertices) - #vertex = libisl.isl_vertices_get_n_vertices(vertices) - for verts in vertexes: - expr = libisl.isl_vertex_get_expr(verts); - this = islhelper.isl_set_to_str(expr) - print(this) - else: - raise TypeError('set must be bounded') - return string + islbset = self._toislbasicset(self.equalities, self.inequalities, self.symbols) + vertices = libisl.isl_basic_set_compute_vertices(islbset); + vertices = islhelper.isl_vertices_vertices(vertices) + for vertex in vertices: + expr = libisl.isl_vertex_get_expr(vertex); + if islhelper.isl_version < '0.13': + string = islhelper.isl_set_to_str(expr) + else: + string = islhelper.isl_multi_aff_to_str(expr) + print(string) def points(self): - bounds = {} - coordinates = [] - symbols = self.symbols - if self.isbounded(): - islset = self._toislset(self.polyhedra, self.symbols) - points = islhelper.isl_set_points(islset) - for sym in symbols: - for point in points: - coordinate = libisl.isl_point_get_coordinate_val(point, libisl.isl_dim_set, symbols.index(sym)) - coordinate = islhelper.isl_val_to_int(coordinate) - coordinates.append(coordinate) - else: - raise TypeError('set must be bounded') - return coordinates + if not self.isbounded(): + raise ValueError('domain must be unbounded') + from .polyhedra import Universe, Eq + islset = self._toislset(self.polyhedra, self.symbols) + islpoints = islhelper.isl_set_points(islset) + points = [] + for islpoint in islpoints: + 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 + points.append(point) + return points @classmethod def _fromislset(cls, islset, symbols):