# Copyright 2019 Huawei Technologies Co., Ltd
#
# Licensed 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.

"""range"""
import akg.tvm

def range_value(start=0, limit=0, delta=1, dtype="float16"):
    length = int(max(0, (limit - start) / delta))
    start = akg.tvm.const(start, dtype)
    limit = akg.tvm.const(limit, dtype)
    delta = akg.tvm.const(delta, dtype)
    return akg.tvm.compute((length,), lambda i: start + delta * i)