1 /* 2 * Public API. 3 * 4 * Copyright (c) 2015-2020, Arm Limited. 5 * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception 6 */ 7 8 #ifndef _MATHLIB_H 9 #define _MATHLIB_H 10 11 float expf (float); 12 float exp2f (float); 13 float logf (float); 14 float log2f (float); 15 float powf (float, float); 16 float sinf (float); 17 float cosf (float); 18 void sincosf (float, float*, float*); 19 20 double exp (double); 21 double exp2 (double); 22 double log (double); 23 double log2 (double); 24 double pow (double, double); 25 26 /* Scalar functions using the vector algorithm with identical result. */ 27 float __s_sinf (float); 28 float __s_cosf (float); 29 float __s_expf (float); 30 float __s_expf_1u (float); 31 float __s_exp2f (float); 32 float __s_exp2f_1u (float); 33 float __s_logf (float); 34 float __s_powf (float, float); 35 double __s_sin (double); 36 double __s_cos (double); 37 double __s_exp (double); 38 double __s_log (double); 39 double __s_pow (double, double); 40 41 #if __aarch64__ 42 #if __GNUC__ >= 5 43 typedef __Float32x4_t __f32x4_t; 44 typedef __Float64x2_t __f64x2_t; 45 #elif __clang_major__*100+__clang_minor__ >= 305 46 typedef __attribute__((__neon_vector_type__(4))) float __f32x4_t; 47 typedef __attribute__((__neon_vector_type__(2))) double __f64x2_t; 48 #else 49 #error Unsupported compiler 50 #endif 51 52 /* Vector functions following the base PCS. */ 53 __f32x4_t __v_sinf (__f32x4_t); 54 __f32x4_t __v_cosf (__f32x4_t); 55 __f32x4_t __v_expf (__f32x4_t); 56 __f32x4_t __v_expf_1u (__f32x4_t); 57 __f32x4_t __v_exp2f (__f32x4_t); 58 __f32x4_t __v_exp2f_1u (__f32x4_t); 59 __f32x4_t __v_logf (__f32x4_t); 60 __f32x4_t __v_powf (__f32x4_t, __f32x4_t); 61 __f64x2_t __v_sin (__f64x2_t); 62 __f64x2_t __v_cos (__f64x2_t); 63 __f64x2_t __v_exp (__f64x2_t); 64 __f64x2_t __v_log (__f64x2_t); 65 __f64x2_t __v_pow (__f64x2_t, __f64x2_t); 66 67 #if __GNUC__ >= 9 || __clang_major__ >= 8 68 #define __vpcs __attribute__((__aarch64_vector_pcs__)) 69 70 /* Vector functions following the vector PCS. */ 71 __vpcs __f32x4_t __vn_sinf (__f32x4_t); 72 __vpcs __f32x4_t __vn_cosf (__f32x4_t); 73 __vpcs __f32x4_t __vn_expf (__f32x4_t); 74 __vpcs __f32x4_t __vn_expf_1u (__f32x4_t); 75 __vpcs __f32x4_t __vn_exp2f (__f32x4_t); 76 __vpcs __f32x4_t __vn_exp2f_1u (__f32x4_t); 77 __vpcs __f32x4_t __vn_logf (__f32x4_t); 78 __vpcs __f32x4_t __vn_powf (__f32x4_t, __f32x4_t); 79 __vpcs __f64x2_t __vn_sin (__f64x2_t); 80 __vpcs __f64x2_t __vn_cos (__f64x2_t); 81 __vpcs __f64x2_t __vn_exp (__f64x2_t); 82 __vpcs __f64x2_t __vn_log (__f64x2_t); 83 __vpcs __f64x2_t __vn_pow (__f64x2_t, __f64x2_t); 84 85 /* Vector functions following the vector PCS using ABI names. */ 86 __vpcs __f32x4_t _ZGVnN4v_sinf (__f32x4_t); 87 __vpcs __f32x4_t _ZGVnN4v_cosf (__f32x4_t); 88 __vpcs __f32x4_t _ZGVnN4v_expf (__f32x4_t); 89 __vpcs __f32x4_t _ZGVnN4v_exp2f (__f32x4_t); 90 __vpcs __f32x4_t _ZGVnN4v_logf (__f32x4_t); 91 __vpcs __f32x4_t _ZGVnN4vv_powf (__f32x4_t, __f32x4_t); 92 __vpcs __f64x2_t _ZGVnN2v_sin (__f64x2_t); 93 __vpcs __f64x2_t _ZGVnN2v_cos (__f64x2_t); 94 __vpcs __f64x2_t _ZGVnN2v_exp (__f64x2_t); 95 __vpcs __f64x2_t _ZGVnN2v_log (__f64x2_t); 96 __vpcs __f64x2_t _ZGVnN2vv_pow (__f64x2_t, __f64x2_t); 97 #endif 98 #endif 99 100 #endif 101