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 10 * 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)27static 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