Tim Murray | d6f1f46 | 2013-03-25 16:36:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011-2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // exports unavailable mathlib functions to compat lib |
| 18 | |
Tim Murray | d6f1f46 | 2013-03-25 16:36:59 -0700 | [diff] [blame] | 19 | |
| 20 | typedef unsigned int uint32_t; |
| 21 | typedef int int32_t; |
| 22 | |
| 23 | extern uint32_t SC_abs_i32(int32_t v); |
| 24 | uint32_t __attribute__((overloadable)) abs(int32_t v) {return SC_abs_i32(v);} |
| 25 | |
| 26 | #define IMPORT_F32_FN_F32(func) \ |
| 27 | extern float SC_##func##f(float v); \ |
| 28 | float __attribute__((overloadable)) func(float v) {return SC_##func##f(v);} |
| 29 | |
| 30 | #define IMPORT_F32_FN_F32_F32(func) \ |
| 31 | extern float SC_##func##f(float t, float v); \ |
| 32 | float __attribute__((overloadable)) func(float t, float v) {return SC_##func##f(t, v);} |
| 33 | |
| 34 | IMPORT_F32_FN_F32(acos) |
| 35 | IMPORT_F32_FN_F32(acosh) |
| 36 | IMPORT_F32_FN_F32(asin) |
| 37 | IMPORT_F32_FN_F32(asinh) |
| 38 | IMPORT_F32_FN_F32(atan) |
| 39 | IMPORT_F32_FN_F32_F32(atan2) |
| 40 | IMPORT_F32_FN_F32(atanh) |
| 41 | IMPORT_F32_FN_F32(cbrt) |
| 42 | IMPORT_F32_FN_F32(ceil) |
| 43 | IMPORT_F32_FN_F32_F32(copysign) |
| 44 | IMPORT_F32_FN_F32(cos) |
| 45 | IMPORT_F32_FN_F32(cosh) |
| 46 | IMPORT_F32_FN_F32(erfc) |
| 47 | IMPORT_F32_FN_F32(erf) |
| 48 | IMPORT_F32_FN_F32(exp) |
| 49 | IMPORT_F32_FN_F32(exp2) |
| 50 | IMPORT_F32_FN_F32(expm1) |
| 51 | IMPORT_F32_FN_F32_F32(fdim) |
| 52 | IMPORT_F32_FN_F32(floor) |
| 53 | extern float SC_fmaf(float u, float t, float v); |
| 54 | float __attribute__((overloadable)) fma(float u, float t, float v) {return SC_fmaf(u, t, v);} |
| 55 | IMPORT_F32_FN_F32_F32(fmax) |
| 56 | IMPORT_F32_FN_F32_F32(fmin) |
| 57 | IMPORT_F32_FN_F32_F32(fmod) |
| 58 | extern float SC_frexpf(float v, int* ptr); |
| 59 | float __attribute__((overloadable)) frexp(float v, int* ptr) {return SC_frexpf(v, ptr);} |
| 60 | IMPORT_F32_FN_F32_F32(hypot) |
Pirama Arumuga Nainar | 6fdd060 | 2015-01-13 11:21:13 -0800 | [diff] [blame] | 61 | extern int SC_ilogbf(float v); |
| 62 | int __attribute__((overloadable)) ilogb(float v) {return SC_ilogbf(v); } |
Tim Murray | d6f1f46 | 2013-03-25 16:36:59 -0700 | [diff] [blame] | 63 | extern float SC_ldexpf(float v, int i); |
| 64 | float __attribute__((overloadable)) ldexp(float v, int i) {return SC_ldexpf(v, i);} |
| 65 | IMPORT_F32_FN_F32(lgamma) |
| 66 | extern float SC_lgammaf_r(float v, int* ptr); |
| 67 | float __attribute__((overloadable)) lgamma(float v, int* ptr) {return SC_lgammaf_r(v, ptr);} |
| 68 | IMPORT_F32_FN_F32(log) |
| 69 | IMPORT_F32_FN_F32(log10) |
| 70 | IMPORT_F32_FN_F32(log1p) |
| 71 | IMPORT_F32_FN_F32(logb) |
| 72 | extern float SC_modff(float v, float* ptr); |
| 73 | float modf(float v, float* ptr) {return SC_modff(v, ptr);} |
| 74 | IMPORT_F32_FN_F32_F32(nextafter) |
| 75 | IMPORT_F32_FN_F32_F32(pow) |
| 76 | IMPORT_F32_FN_F32_F32(remainder) |
| 77 | extern float SC_remquof(float t, float v, int* ptr); |
| 78 | float remquo(float t, float v, int* ptr) {return SC_remquof(t, v, ptr);} |
| 79 | IMPORT_F32_FN_F32(rint) |
| 80 | IMPORT_F32_FN_F32(round) |
| 81 | IMPORT_F32_FN_F32(sin) |
| 82 | IMPORT_F32_FN_F32(sinh) |
| 83 | IMPORT_F32_FN_F32(sqrt) |
| 84 | IMPORT_F32_FN_F32(tan) |
| 85 | IMPORT_F32_FN_F32(tanh) |
| 86 | IMPORT_F32_FN_F32(tgamma) |
| 87 | IMPORT_F32_FN_F32(trunc) |
| 88 | |
Stephen Hines | b93cb42 | 2013-03-27 17:32:31 -0700 | [diff] [blame] | 89 | extern float SC_randf2(float min, float max); |
| 90 | float __attribute__((overloadable)) rsRand(float min, float max) { |
| 91 | return SC_randf2(min, max); |
| 92 | } |
| 93 | |
Pirama Arumuga Nainar | dc0d8f7 | 2014-12-02 15:23:38 -0800 | [diff] [blame^] | 94 | #ifdef RS_COMPATIBILITY_LIB |
Stephen Hines | b93cb42 | 2013-03-27 17:32:31 -0700 | [diff] [blame] | 95 | |
Tim Murray | d6f1f46 | 2013-03-25 16:36:59 -0700 | [diff] [blame] | 96 | // !!! DANGER !!! |
| 97 | // These functions are potentially missing on older Android versions. |
| 98 | // Work around the issue by supplying our own variants. |
| 99 | // !!! DANGER !!! |
| 100 | |
| 101 | // The logbl() implementation is taken from the latest bionic/, since |
| 102 | // double == long double on Android. |
| 103 | extern "C" long double logbl(long double x) { return logb(x); } |
| 104 | |
| 105 | // __aeabi_idiv0 is a missing function in libcompiler_rt.so, so we just |
| 106 | // pick the simplest implementation based on the ARM EABI doc. |
| 107 | extern "C" int __aeabi_idiv0(int v) { return v; } |
| 108 | |
| 109 | #endif // compatibility lib |