libc/AOR_v20.02/math/include/mathlib.h

   1 /*
   2  * Public API.
   3  *
   4  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5  * See https://llvm.org/LICENSE.txt for license information.
   6  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7  */
   8
   9 #ifndef _MATHLIB_H
  10 #define _MATHLIB_H
  11
  12 float expf (float);
  13 float exp2f (float);
  14 float logf (float);
  15 float log2f (float);
  16 float powf (float, float);
  17 float sinf (float);
  18 float cosf (float);
  19 void sincosf (float, float*, float*);
  20
  21 double exp (double);
  22 double exp2 (double);
  23 double log (double);
  24 double log2 (double);
  25 double pow (double, double);
  26
  27 /* Scalar functions using the vector algorithm with identical result.  */
  28 float __s_sinf (float);
  29 float __s_cosf (float);
  30 float __s_expf (float);
  31 float __s_expf_1u (float);
  32 float __s_exp2f (float);
  33 float __s_exp2f_1u (float);
  34 float __s_logf (float);
  35 float __s_powf (float, float);
  36 double __s_sin (double);
  37 double __s_cos (double);
  38 double __s_exp (double);
  39 double __s_log (double);
  40 double __s_pow (double, double);
  41
  42 #if __aarch64__
  43 #if __GNUC__ >= 5
  44 typedef __Float32x4_t __f32x4_t;
  45 typedef __Float64x2_t __f64x2_t;
  46 #elif __clang_major__*100+__clang_minor__ >= 305
  47 typedef __attribute__((__neon_vector_type__(4))) float __f32x4_t;
  48 typedef __attribute__((__neon_vector_type__(2))) double __f64x2_t;
  49 #else
  50 #error Unsupported compiler
  51 #endif
  52
  53 /* Vector functions following the base PCS.  */
  54 __f32x4_t __v_sinf (__f32x4_t);
  55 __f32x4_t __v_cosf (__f32x4_t);
  56 __f32x4_t __v_expf (__f32x4_t);
  57 __f32x4_t __v_expf_1u (__f32x4_t);
  58 __f32x4_t __v_exp2f (__f32x4_t);
  59 __f32x4_t __v_exp2f_1u (__f32x4_t);
  60 __f32x4_t __v_logf (__f32x4_t);
  61 __f32x4_t __v_powf (__f32x4_t, __f32x4_t);
  62 __f64x2_t __v_sin (__f64x2_t);
  63 __f64x2_t __v_cos (__f64x2_t);
  64 __f64x2_t __v_exp (__f64x2_t);
  65 __f64x2_t __v_log (__f64x2_t);
  66 __f64x2_t __v_pow (__f64x2_t, __f64x2_t);
  67
  68 #if __GNUC__ >= 9 || __clang_major__ >= 8
  69 #define __vpcs __attribute__((__aarch64_vector_pcs__))
  70
  71 /* Vector functions following the vector PCS.  */
  72 __vpcs __f32x4_t __vn_sinf (__f32x4_t);
  73 __vpcs __f32x4_t __vn_cosf (__f32x4_t);
  74 __vpcs __f32x4_t __vn_expf (__f32x4_t);
  75 __vpcs __f32x4_t __vn_expf_1u (__f32x4_t);
  76 __vpcs __f32x4_t __vn_exp2f (__f32x4_t);
  77 __vpcs __f32x4_t __vn_exp2f_1u (__f32x4_t);
  78 __vpcs __f32x4_t __vn_logf (__f32x4_t);
  79 __vpcs __f32x4_t __vn_powf (__f32x4_t, __f32x4_t);
  80 __vpcs __f64x2_t __vn_sin (__f64x2_t);
  81 __vpcs __f64x2_t __vn_cos (__f64x2_t);
  82 __vpcs __f64x2_t __vn_exp (__f64x2_t);
  83 __vpcs __f64x2_t __vn_log (__f64x2_t);
  84 __vpcs __f64x2_t __vn_pow (__f64x2_t, __f64x2_t);
  85
  86 /* Vector functions following the vector PCS using ABI names.  */
  87 __vpcs __f32x4_t _ZGVnN4v_sinf (__f32x4_t);
  88 __vpcs __f32x4_t _ZGVnN4v_cosf (__f32x4_t);
  89 __vpcs __f32x4_t _ZGVnN4v_expf (__f32x4_t);
  90 __vpcs __f32x4_t _ZGVnN4v_exp2f (__f32x4_t);
  91 __vpcs __f32x4_t _ZGVnN4v_logf (__f32x4_t);
  92 __vpcs __f32x4_t _ZGVnN4vv_powf (__f32x4_t, __f32x4_t);
  93 __vpcs __f64x2_t _ZGVnN2v_sin (__f64x2_t);
  94 __vpcs __f64x2_t _ZGVnN2v_cos (__f64x2_t);
  95 __vpcs __f64x2_t _ZGVnN2v_exp (__f64x2_t);
  96 __vpcs __f64x2_t _ZGVnN2v_log (__f64x2_t);
  97 __vpcs __f64x2_t _ZGVnN2vv_pow (__f64x2_t, __f64x2_t);
  98 #endif
  99 #endif
 100
 101 #endif