1 /******************************************************************************
2  *
3  *  Copyright 2024 Google LLC
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
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11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #ifndef __LC3_MATH_H
20 #define __LC3_MATH_H
21 
22 #define INFINITY __builtin_inff()
23 
24 #define floorf  __builtin_floorf
25 #define truncf  __builtin_truncf
26 
roundf(float x)27 static inline float roundf(float x)
28 { return x >= 0 ? truncf(x + 0.5f) : truncf(x - 0.5f); }
29 
30 #define fabsf   __builtin_fabsf
31 #define fmaxf   __builtin_fmaxf
32 #define fminf   __builtin_fminf
33 
34 #define log10f  __builtin_log10f
35 #define sqrtf   __builtin_sqrtf
36 
37 #endif /* __LC3_MATH_H */
38