1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_BUILTINS_BUILTINS_MATH_H 17 #define ECMASCRIPT_BUILTINS_BUILTINS_MATH_H 18 19 #include "ecmascript/base/builtins_base.h" 20 21 // List of constants in Math, excluding '@@' internal properties. 22 #define BUILTIN_MATH_CONSTANTS(V) \ 23 V(E) \ 24 V(LN10) \ 25 V(LN2) \ 26 V(LOG10E) \ 27 V(LOG2E) \ 28 V(PI) \ 29 V(SQRT1_2) \ 30 V(SQRT2) 31 32 // List of functions in Math. 33 // V(name, func, length, stubIndex) 34 // where BuiltinsMath::func refers to the native implementation of Math[name]. 35 // kungfu::BuiltinsStubCSigns::stubIndex refers to the builtin stub index, or INVALID if no stub available. 36 #define BUILTIN_MATH_FUNCTIONS(V) \ 37 V("abs", Abs, 1, MathAbs) /* Math.abs ( x ) */ \ 38 V("acos", Acos, 1, MathAcos) /* Math.acos ( x ) */ \ 39 V("acosh", Acosh, 1, MathAcosh) /* Math.acosh ( x ) */ \ 40 V("asin", Asin, 1, MathAsin) /* Math.asin ( x ) */ \ 41 V("asinh", Asinh, 1, MathAsinh) /* Math.asinh ( x ) */ \ 42 V("atan", Atan, 1, MathAtan) /* Math.atan ( x ) */ \ 43 V("atan2", Atan2, 2, MathAtan2) /* Math.atan2 ( y, x ) */ \ 44 V("atanh", Atanh, 1, MathAtanh) /* Math.atanh ( x ) */ \ 45 V("cbrt", Cbrt, 1, MathCbrt) /* Math.cbrt ( x ) */ \ 46 V("ceil", Ceil, 1, MathCeil) /* Math.ceil ( x ) */ \ 47 V("clz32", Clz32, 1, MathClz32) /* Math.clz32 ( x ) */ \ 48 V("cos", Cos, 1, MathCos) /* Math.cos ( x ) */ \ 49 V("cosh", Cosh, 1, MathCosh) /* Math.cosh ( x ) */ \ 50 V("exp", Exp, 1, MathExp) /* Math.exp ( x ) */ \ 51 V("expm1", Expm1, 1, MathExpm1) /* Math.expm1 ( x ) */ \ 52 V("floor", Floor, 1, MathFloor) /* Math.floor ( x ) */ \ 53 V("fround", Fround, 1, MathFRound) /* Math.fround ( x ) */ \ 54 V("hypot", Hypot, 2, INVALID) /* Math.hypot ( ...args ) */ \ 55 V("imul", Imul, 2, MathImul) /* Math.imul ( x, y ) */ \ 56 V("log", Log, 1, MathLog) /* Math.log ( x ) */ \ 57 V("log10", Log10, 1, MathLog10) /* Math.log10 ( x ) */ \ 58 V("log1p", Log1p, 1, MathLog1p) /* Math.log1p ( x ) */ \ 59 V("log2", Log2, 1, MathLog2) /* Math.log2 ( x ) */ \ 60 V("max", Max, 2, MathMax) /* Math.max ( ...args ) */ \ 61 V("min", Min, 2, MathMin) /* Math.min ( ...args ) */ \ 62 V("pow", Pow, 2, MathPow) /* Math.pow ( base, exponent ) */ \ 63 V("random", Random, 0, INVALID) /* Math.random ( ) */ \ 64 V("round", Round, 1, MathRound) /* Math.round ( x ) */ \ 65 V("sign", Sign, 1, MathSign) /* Math.sign ( x ) */ \ 66 V("sin", Sin, 1, MathSin) /* Math.sin ( x ) */ \ 67 V("sinh", Sinh, 1, MathSinh) /* Math.sinh ( x ) */ \ 68 V("sqrt", Sqrt, 1, MathSqrt) /* Math.sqrt ( x ) */ \ 69 V("tan", Tan, 1, MathTan) /* Math.tan ( x ) */ \ 70 V("tanh", Tanh, 1, MathTanh) /* Math.tanh ( x ) */ \ 71 V("trunc", Trunc, 1, MathTrunc) /* Math.trunc ( x ) */ 72 73 namespace panda::ecmascript::builtins { 74 class BuiltinsMath : public base::BuiltinsBase { 75 public: 76 // 20.2.1.1 77 static constexpr double E = 2.718281828459045; 78 // 20.2.1.2 79 static constexpr double LN10 = 2.302585092994046; 80 // 20.2.1.3 81 static constexpr double LN2 = 0.6931471805599453; 82 // 20.2.1.4 83 static constexpr double LOG10E = 0.4342944819032518; 84 // 20.2.1.5 85 static constexpr double LOG2E = 1.4426950408889634; 86 // 20.2.1.6 87 static constexpr double PI = 3.141592653589793; 88 // 20.2.1.7 89 static constexpr double SQRT1_2 = 0.7071067811865476; 90 // 20.2.1.8 91 static constexpr double SQRT2 = 1.4142135623730951; 92 // 20.2.2.1 93 static JSTaggedValue Abs(EcmaRuntimeCallInfo *argv); 94 // 20.2.2.2 95 static JSTaggedValue Acos(EcmaRuntimeCallInfo *argv); 96 // 20.2.2.3 97 static JSTaggedValue Acosh(EcmaRuntimeCallInfo *argv); 98 // 20.2.2.4 99 static JSTaggedValue Asin(EcmaRuntimeCallInfo *argv); 100 // 20.2.2.5 101 static JSTaggedValue Asinh(EcmaRuntimeCallInfo *argv); 102 // 20.2.2.6 103 static JSTaggedValue Atan(EcmaRuntimeCallInfo *argv); 104 // 20.2.2.7 105 static JSTaggedValue Atanh(EcmaRuntimeCallInfo *argv); 106 // 20.2.2.8 107 static JSTaggedValue Atan2(EcmaRuntimeCallInfo *argv); 108 // 20.2.2.9 109 static JSTaggedValue Cbrt(EcmaRuntimeCallInfo *argv); 110 // 20.2.2.10 111 static JSTaggedValue Ceil(EcmaRuntimeCallInfo *argv); 112 // 20.2.2.11 113 static JSTaggedValue Clz32(EcmaRuntimeCallInfo *argv); 114 // 20.2.2.12 115 static JSTaggedValue Cos(EcmaRuntimeCallInfo *argv); 116 // 20.2.2.13 117 static JSTaggedValue Cosh(EcmaRuntimeCallInfo *argv); 118 // 20.2.2.14 119 static JSTaggedValue Exp(EcmaRuntimeCallInfo *argv); 120 // 20.2.2.15 121 static JSTaggedValue Expm1(EcmaRuntimeCallInfo *argv); 122 // 20.2.2.16 123 static JSTaggedValue Floor(EcmaRuntimeCallInfo *argv); 124 // 20.2.2.17 125 static JSTaggedValue Fround(EcmaRuntimeCallInfo *argv); 126 // 20.2.2.18 127 static JSTaggedValue Hypot(EcmaRuntimeCallInfo *argv); 128 // 20.2.2.19 129 static JSTaggedValue Imul(EcmaRuntimeCallInfo *argv); 130 // 20.2.2.20 131 static JSTaggedValue Log(EcmaRuntimeCallInfo *argv); 132 // 20.2.2.21 133 static JSTaggedValue Log1p(EcmaRuntimeCallInfo *argv); 134 // 20.2.2.22 135 static JSTaggedValue Log10(EcmaRuntimeCallInfo *argv); 136 // 20.2.2.23 137 static JSTaggedValue Log2(EcmaRuntimeCallInfo *argv); 138 // 20.2.2.24 139 static JSTaggedValue Max(EcmaRuntimeCallInfo *argv); 140 // 20.2.2.25 141 static JSTaggedValue Min(EcmaRuntimeCallInfo *argv); 142 // 20.2.2.26 143 static JSTaggedValue Pow(EcmaRuntimeCallInfo *argv); 144 // 20.2.2.27 145 static JSTaggedValue Random(EcmaRuntimeCallInfo *argv); 146 // 20.2.2.28 147 static JSTaggedValue Round(EcmaRuntimeCallInfo *argv); 148 // 20.2.2.29 149 static JSTaggedValue Sign(EcmaRuntimeCallInfo *argv); 150 // 20.2.2.30 151 static JSTaggedValue Sin(EcmaRuntimeCallInfo *argv); 152 // 20.2.2.31 153 static JSTaggedValue Sinh(EcmaRuntimeCallInfo *argv); 154 // 20.2.2.32 155 static JSTaggedValue Sqrt(EcmaRuntimeCallInfo *argv); 156 // 20.2.2.33 157 static JSTaggedValue Tan(EcmaRuntimeCallInfo *argv); 158 // 20.2.2.34 159 static JSTaggedValue Tanh(EcmaRuntimeCallInfo *argv); 160 // 20.2.2.35 161 static JSTaggedValue Trunc(EcmaRuntimeCallInfo *argv); 162 163 // Excluding the '@@' internal properties. GetMathConstants()164 static Span<const base::BuiltinConstantEntry> GetMathConstants() 165 { 166 return Span<const base::BuiltinConstantEntry>(MATH_CONSTANTS); 167 } 168 GetMathFunctions()169 static Span<const base::BuiltinFunctionEntry> GetMathFunctions() 170 { 171 return Span<const base::BuiltinFunctionEntry>(MATH_FUNCTIONS); 172 } 173 174 private: 175 #define BUILTIN_MATH_CONSTANT_ENTRY(name) \ 176 base::BuiltinConstantEntry::Create(#name, JSTaggedValue(BuiltinsMath::name)), 177 178 static inline std::array MATH_CONSTANTS = { 179 BUILTIN_MATH_CONSTANTS(BUILTIN_MATH_CONSTANT_ENTRY) 180 }; 181 #undef BUILTIN_MATH_CONSTANT_ENTRY 182 183 #define BUILTIN_MATH_FUNCTION_ENTRY(name, func, length, builtinId) \ 184 base::BuiltinFunctionEntry::Create(name, BuiltinsMath::func, length, kungfu::BuiltinsStubCSigns::builtinId), 185 186 static constexpr std::array MATH_FUNCTIONS = { 187 BUILTIN_MATH_FUNCTIONS(BUILTIN_MATH_FUNCTION_ENTRY) 188 }; 189 #undef BUILTIN_MATH_FUNCTION_ENTRY 190 }; 191 } // namespace panda::ecmascript::builtins 192 #endif // ECMASCRIPT_BUILTINS_BUILTINS_MATH_H 193