| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| """Integer set.""" |
| import tvm._ffi |
| from tvm.runtime import Object |
| from . import _ffi_api |
| |
| |
| class IntSet(Object): |
| """Represent a set of integer in one dimension.""" |
| |
| def is_nothing(self): |
| """Whether the set represent nothing""" |
| return _ffi_api.IntSetIsNothing(self) |
| |
| def is_everything(self): |
| """Whether the set represent everything""" |
| return _ffi_api.IntSetIsEverything(self) |
| |
| @staticmethod |
| def vector(vec): |
| """Construct an integer set that covers the vector expr |
| |
| Parameters |
| ---------- |
| vec : PrimExpr |
| The vector expression. |
| |
| Returns |
| ------- |
| rset : IntSet |
| The result set. |
| """ |
| return _ffi_api.intset_vector(vec) |
| |
| @staticmethod |
| def single_point(point): |
| """Construct a point set. |
| |
| Parameters |
| ---------- |
| point : PrimExpr |
| The vector expression. |
| |
| Returns |
| ------- |
| rset : IntSet |
| The result set. |
| """ |
| return _ffi_api.intset_single_point(point) |
| |
| |
| @tvm._ffi.register_object("arith.IntervalSet") |
| class IntervalSet(IntSet): |
| """Represent set of continuous interval [min_value, max_value] |
| |
| Parameters |
| ---------- |
| min_value : PrimExpr |
| The minimum value in the interval. |
| |
| max_value : PrimExpr |
| The maximum value in the interval. |
| """ |
| |
| def __init__(self, min_value, max_value): |
| self.__init_handle_by_constructor__(_ffi_api.IntervalSet, min_value, max_value) |