14514f5e3Sopenharmony_ci/* 24514f5e3Sopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd. 34514f5e3Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 44514f5e3Sopenharmony_ci * you may not use this file except in compliance with the License. 54514f5e3Sopenharmony_ci * You may obtain a copy of the License at 64514f5e3Sopenharmony_ci * 74514f5e3Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 84514f5e3Sopenharmony_ci * 94514f5e3Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 104514f5e3Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 114514f5e3Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 124514f5e3Sopenharmony_ci * See the License for the specific language governing permissions and 134514f5e3Sopenharmony_ci * limitations under the License. 144514f5e3Sopenharmony_ci */ 154514f5e3Sopenharmony_ci 164514f5e3Sopenharmony_cideclare function print(arg:any):string; 174514f5e3Sopenharmony_cifunction replace(a : number) 184514f5e3Sopenharmony_ci{ 194514f5e3Sopenharmony_ci return a; 204514f5e3Sopenharmony_ci} 214514f5e3Sopenharmony_cilet len = 0; 224514f5e3Sopenharmony_cifunction cos() 234514f5e3Sopenharmony_ci{ 244514f5e3Sopenharmony_ci Math.cos = replace; 254514f5e3Sopenharmony_ci len = Math.cos(1); 264514f5e3Sopenharmony_ci print(len); 274514f5e3Sopenharmony_ci} 284514f5e3Sopenharmony_cicos() 294514f5e3Sopenharmony_ci 304514f5e3Sopenharmony_cilen = Math.sin(0); // 0 314514f5e3Sopenharmony_ciprint(len); 324514f5e3Sopenharmony_cilen = Math.sin(1); // 0.84 334514f5e3Sopenharmony_ciprint(len); 344514f5e3Sopenharmony_cilen = Math.sin(Math.PI / 2); 354514f5e3Sopenharmony_ciprint(len); 364514f5e3Sopenharmony_cifunction sin() 374514f5e3Sopenharmony_ci{ 384514f5e3Sopenharmony_ci Math.sin = replace; 394514f5e3Sopenharmony_ci len = Math.sin(1) 404514f5e3Sopenharmony_ci print(len); 414514f5e3Sopenharmony_ci} 424514f5e3Sopenharmony_cisin() 434514f5e3Sopenharmony_ci 444514f5e3Sopenharmony_cilen = Math.acos(0.5);// 1.0471975511965979 454514f5e3Sopenharmony_ciprint(len); 464514f5e3Sopenharmony_ci 47