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 KERNEL_MATH_UTILS
17 #define KERNEL_MATH_UTILS
18
19 #include <float.h>
20
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24
Equalf(float a,float b)25 static inline int Equalf(float a, float b)
26 {
27 return fabsf(a - b) <= FLT_EPSILON;
28 }
29
Equal(double a,double b)30 static inline int Equal(double a, double b)
31 {
32 return fabs(a - b) <= DBL_EPSILON;
33 }
34
Equall(long double a,long double b)35 static inline int Equall(long double a, long double b)
36 {
37 return fabsl(a - b) <= LDBL_EPSILON;
38 }
39
40 #ifdef __cplusplus
41 }
42 #endif
43
44 #endif