1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16class Matrix {
17    static isMatrix(value: Matrix): boolean {
18      return value !== null && value instanceof Matrix;
19    }
20}
21
22let trainingSet: Matrix = new Matrix();
23for (let i = 0; i < 1000; i++) {
24    Matrix.isMatrix(trainingSet);
25}