1 /* 2 * Copyright (c) 2021 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 16 #ifndef SCALAR_H 17 #define SCALAR_H 18 19 #include <cmath> 20 #include <limits> 21 22 namespace OHOS { 23 namespace Rosen { 24 namespace Drawing { 25 typedef float scalar; 26 IsScalarAlmostEqual(scalar a,scalar b)27inline bool IsScalarAlmostEqual(scalar a, scalar b) 28 { 29 return fabs(a - b) < std::numeric_limits<scalar>::min(); 30 } 31 } // namespace Drawing 32 } // namespace Rosen 33 } // namespace OHOS 34 #endif