jupyter/comparison-to-datasketch/utils.py (17 lines of code) (raw):

# 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. import numpy as np def distinct_number_sequence(start:np.uint64=0) -> np.uint64: """Generator function to make 64-bit numbers that are distinct.""" assert isinstance(start, np.uint64) num = start golden_ratio = np.uint64(0x9e3779b97f4a7c13) while True: yield num num += np.uint64(golden_ratio) if __name__ == '__main__': start = np.uint64(2345234635) ndistincts = np.uint64(10) count = 0 for i in distinct_number_sequence(start): print(i, end="\n") count += 1 if count == ndistincts: break