X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/f9bf01c6616d5ddcf65b13b33cedf9e387ff7a63..refs/heads/master:/runtime/MathObject.cpp diff --git a/runtime/MathObject.cpp b/runtime/MathObject.cpp index 98ff3ba..d23e46b 100644 --- a/runtime/MathObject.cpp +++ b/runtime/MathObject.cpp @@ -1,6 +1,6 @@ /* * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) - * Copyright (C) 2007, 2008 Apple Inc. All Rights Reserved. + * Copyright (C) 2007, 2008, 2013 Apple Inc. All Rights Reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -21,219 +21,356 @@ #include "config.h" #include "MathObject.h" +#include "Lookup.h" +#include "MathCommon.h" #include "ObjectPrototype.h" -#include "Operations.h" +#include "JSCInlines.h" #include #include #include #include #include +#include namespace JSC { -ASSERT_CLASS_FITS_IN_CELL(MathObject); - -static JSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncACos(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncASin(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncATan(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncCos(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncExp(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncLog(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncMax(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncMin(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncPow(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncRound(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncSin(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState*, JSObject*, JSValue, const ArgList&); -static JSValue JSC_HOST_CALL mathProtoFuncTan(ExecState*, JSObject*, JSValue, const ArgList&); +STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(MathObject); + +EncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncACosh(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncASinh(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncATanh(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncCbrt(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncClz32(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncCosh(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncExpm1(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncFround(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncHypot(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog1p(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog10(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog2(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncMax(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncMin(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncRound(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncSign(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncSin(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncSinh(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncTan(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncTanh(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncTrunc(ExecState*); +EncodedJSValue JSC_HOST_CALL mathProtoFuncIMul(ExecState*); } -#include "MathObject.lut.h" - namespace JSC { -// ------------------------------ MathObject -------------------------------- +const ClassInfo MathObject::s_info = { "Math", &Base::s_info, 0, CREATE_METHOD_TABLE(MathObject) }; -const ClassInfo MathObject::info = { "Math", 0, 0, ExecState::mathTable }; - -/* Source for MathObject.lut.h -@begin mathTable - abs mathProtoFuncAbs DontEnum|Function 1 - acos mathProtoFuncACos DontEnum|Function 1 - asin mathProtoFuncASin DontEnum|Function 1 - atan mathProtoFuncATan DontEnum|Function 1 - atan2 mathProtoFuncATan2 DontEnum|Function 2 - ceil mathProtoFuncCeil DontEnum|Function 1 - cos mathProtoFuncCos DontEnum|Function 1 - exp mathProtoFuncExp DontEnum|Function 1 - floor mathProtoFuncFloor DontEnum|Function 1 - log mathProtoFuncLog DontEnum|Function 1 - max mathProtoFuncMax DontEnum|Function 2 - min mathProtoFuncMin DontEnum|Function 2 - pow mathProtoFuncPow DontEnum|Function 2 - random mathProtoFuncRandom DontEnum|Function 0 - round mathProtoFuncRound DontEnum|Function 1 - sin mathProtoFuncSin DontEnum|Function 1 - sqrt mathProtoFuncSqrt DontEnum|Function 1 - tan mathProtoFuncTan DontEnum|Function 1 -@end -*/ +MathObject::MathObject(VM& vm, Structure* structure) + : JSNonFinalObject(vm, structure) +{ +} -MathObject::MathObject(ExecState* exec, NonNullPassRefPtr structure) - : JSObject(structure) +void MathObject::finishCreation(VM& vm, JSGlobalObject* globalObject) { - putDirectWithoutTransition(Identifier(exec, "E"), jsNumber(exec, exp(1.0)), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "LN2"), jsNumber(exec, log(2.0)), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "LN10"), jsNumber(exec, log(10.0)), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "LOG2E"), jsNumber(exec, 1.0 / log(2.0)), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "LOG10E"), jsNumber(exec, 1.0 / log(10.0)), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "PI"), jsNumber(exec, piDouble), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "SQRT1_2"), jsNumber(exec, sqrt(0.5)), DontDelete | DontEnum | ReadOnly); - putDirectWithoutTransition(Identifier(exec, "SQRT2"), jsNumber(exec, sqrt(2.0)), DontDelete | DontEnum | ReadOnly); + Base::finishCreation(vm); + ASSERT(inherits(info())); + + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "E"), jsNumber(exp(1.0)), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LN2"), jsNumber(log(2.0)), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LN10"), jsNumber(log(10.0)), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LOG2E"), jsNumber(1.0 / log(2.0)), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LOG10E"), jsNumber(0.4342944819032518), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "PI"), jsNumber(piDouble), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "SQRT1_2"), jsNumber(sqrt(0.5)), DontDelete | DontEnum | ReadOnly); + putDirectWithoutTransition(vm, Identifier::fromString(&vm, "SQRT2"), jsNumber(sqrt(2.0)), DontDelete | DontEnum | ReadOnly); + + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "abs"), 1, mathProtoFuncAbs, AbsIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "acos"), 1, mathProtoFuncACos, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "asin"), 1, mathProtoFuncASin, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "atan"), 1, mathProtoFuncATan, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "acosh"), 1, mathProtoFuncACosh, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "asinh"), 1, mathProtoFuncASinh, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "atanh"), 1, mathProtoFuncATanh, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "atan2"), 2, mathProtoFuncATan2, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "cbrt"), 1, mathProtoFuncCbrt, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "ceil"), 1, mathProtoFuncCeil, CeilIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "clz32"), 1, mathProtoFuncClz32, Clz32Intrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "cos"), 1, mathProtoFuncCos, CosIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "cosh"), 1, mathProtoFuncCosh, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "exp"), 1, mathProtoFuncExp, ExpIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "expm1"), 1, mathProtoFuncExpm1, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "floor"), 1, mathProtoFuncFloor, FloorIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "fround"), 1, mathProtoFuncFround, FRoundIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "hypot"), 2, mathProtoFuncHypot, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log"), 1, mathProtoFuncLog, LogIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log10"), 1, mathProtoFuncLog10, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log1p"), 1, mathProtoFuncLog1p, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log2"), 1, mathProtoFuncLog2, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "max"), 2, mathProtoFuncMax, MaxIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "min"), 2, mathProtoFuncMin, MinIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "pow"), 2, mathProtoFuncPow, PowIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "random"), 0, mathProtoFuncRandom, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "round"), 1, mathProtoFuncRound, RoundIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sign"), 1, mathProtoFuncSign, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sin"), 1, mathProtoFuncSin, SinIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sinh"), 1, mathProtoFuncSinh, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sqrt"), 1, mathProtoFuncSqrt, SqrtIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "tan"), 1, mathProtoFuncTan, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "tanh"), 1, mathProtoFuncTanh, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "trunc"), 1, mathProtoFuncTrunc, NoIntrinsic, DontEnum | Function); + putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "imul"), 2, mathProtoFuncIMul, IMulIntrinsic, DontEnum | Function); } -// ECMA 15.8 +// ------------------------------ Functions -------------------------------- -bool MathObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot &slot) +EncodedJSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec) { - return getStaticFunctionSlot(exec, ExecState::mathTable(exec), this, propertyName, slot); + return JSValue::encode(jsNumber(fabs(exec->argument(0).toNumber(exec)))); } -bool MathObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) +EncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec) { - return getStaticFunctionDescriptor(exec, ExecState::mathTable(exec), this, propertyName, descriptor); + return JSValue::encode(jsDoubleNumber(acos(exec->argument(0).toNumber(exec)))); } -// ------------------------------ Functions -------------------------------- - -JSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec) { - return jsNumber(exec, fabs(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(asin(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec) { - return jsDoubleNumber(exec, acos(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(atan(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec) { - return jsDoubleNumber(exec, asin(args.at(0).toNumber(exec))); + double arg0 = exec->argument(0).toNumber(exec); + double arg1 = exec->argument(1).toNumber(exec); + return JSValue::encode(jsDoubleNumber(atan2(arg0, arg1))); } -JSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState* exec) { - return jsDoubleNumber(exec, atan(args.at(0).toNumber(exec))); + return JSValue::encode(jsNumber(ceil(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncClz32(ExecState* exec) { - return jsDoubleNumber(exec, atan2(args.at(0).toNumber(exec), args.at(1).toNumber(exec))); + uint32_t value = exec->argument(0).toUInt32(exec); + if (exec->hadException()) + return JSValue::encode(jsNull()); + return JSValue::encode(JSValue(clz32(value))); } -JSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec) { - return jsNumber(exec, ceil(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(cos(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec) { - return jsDoubleNumber(exec, cos(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(exp(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec) { - return jsDoubleNumber(exec, exp(args.at(0).toNumber(exec))); + return JSValue::encode(jsNumber(floor(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncHypot(ExecState* exec) { - return jsNumber(exec, floor(args.at(0).toNumber(exec))); + unsigned argsCount = exec->argumentCount(); + double max = 0; + Vector args; + args.reserveInitialCapacity(argsCount); + for (unsigned i = 0; i < argsCount; ++i) { + args.uncheckedAppend(exec->uncheckedArgument(i).toNumber(exec)); + if (exec->hadException()) + return JSValue::encode(jsNull()); + if (std::isinf(args[i])) + return JSValue::encode(jsDoubleNumber(+std::numeric_limits::infinity())); + max = std::max(fabs(args[i]), max); + } + if (!max) + max = 1; + // Kahan summation algorithm significantly reduces the numerical error in the total obtained. + double sum = 0; + double compensation = 0; + for (double argument : args) { + double scaledArgument = argument / max; + double summand = scaledArgument * scaledArgument - compensation; + double preliminary = sum + summand; + compensation = (preliminary - sum) - summand; + sum = preliminary; + } + return JSValue::encode(jsDoubleNumber(sqrt(sum) * max)); } -JSValue JSC_HOST_CALL mathProtoFuncLog(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog(ExecState* exec) { - return jsDoubleNumber(exec, log(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(log(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncMax(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncMax(ExecState* exec) { - unsigned argsCount = args.size(); - double result = -Inf; + unsigned argsCount = exec->argumentCount(); + double result = -std::numeric_limits::infinity(); for (unsigned k = 0; k < argsCount; ++k) { - double val = args.at(k).toNumber(exec); - if (isnan(val)) { - result = NaN; - break; - } - if (val > result || (val == 0 && result == 0 && !signbit(val))) + double val = exec->uncheckedArgument(k).toNumber(exec); + if (std::isnan(val)) { + result = PNaN; + } else if (val > result || (!val && !result && !std::signbit(val))) result = val; } - return jsNumber(exec, result); + return JSValue::encode(jsNumber(result)); } -JSValue JSC_HOST_CALL mathProtoFuncMin(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncMin(ExecState* exec) { - unsigned argsCount = args.size(); - double result = +Inf; + unsigned argsCount = exec->argumentCount(); + double result = +std::numeric_limits::infinity(); for (unsigned k = 0; k < argsCount; ++k) { - double val = args.at(k).toNumber(exec); - if (isnan(val)) { - result = NaN; - break; - } - if (val < result || (val == 0 && result == 0 && signbit(val))) + double val = exec->uncheckedArgument(k).toNumber(exec); + if (std::isnan(val)) { + result = PNaN; + } else if (val < result || (!val && !result && std::signbit(val))) result = val; } - return jsNumber(exec, result); + return JSValue::encode(jsNumber(result)); } -JSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec) { // ECMA 15.8.2.1.13 - double arg = args.at(0).toNumber(exec); - double arg2 = args.at(1).toNumber(exec); + double arg = exec->argument(0).toNumber(exec); + double arg2 = exec->argument(1).toNumber(exec); + + return JSValue::encode(JSValue(operationMathPow(arg, arg2))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(exec->lexicalGlobalObject()->weakRandomNumber())); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncRound(ExecState* exec) +{ + return JSValue::encode(jsNumber(jsRound(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncSign(ExecState* exec) +{ + double arg = exec->argument(0).toNumber(exec); + if (std::isnan(arg)) + return JSValue::encode(jsNaN()); + if (!arg) + return JSValue::encode(std::signbit(arg) ? jsNumber(-0.0) : jsNumber(0)); + return JSValue::encode(jsNumber(std::signbit(arg) ? -1 : 1)); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncSin(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(sin(exec->argument(0).toNumber(exec)))); +} - if (isnan(arg2)) - return jsNaN(exec); - if (isinf(arg2) && fabs(arg) == 1) - return jsNaN(exec); - return jsNumber(exec, pow(arg, arg2)); +EncodedJSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(sqrt(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncTan(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(tan(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncIMul(ExecState* exec) +{ + int32_t left = exec->argument(0).toInt32(exec); + if (exec->hadException()) + return JSValue::encode(jsNull()); + int32_t right = exec->argument(1).toInt32(exec); + return JSValue::encode(jsNumber(left * right)); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncACosh(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(acosh(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncASinh(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(asinh(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncATanh(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(atanh(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncCbrt(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(cbrt(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncCosh(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(cosh(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncExpm1(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(expm1(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncFround(ExecState* exec) +{ + return JSValue::encode(jsDoubleNumber(static_cast(exec->argument(0).toNumber(exec)))); +} + +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog1p(ExecState* exec) +{ + double value = exec->argument(0).toNumber(exec); + if (value == 0) + return JSValue::encode(jsDoubleNumber(value)); + return JSValue::encode(jsDoubleNumber(log1p(value))); } -JSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState* exec, JSObject*, JSValue, const ArgList&) +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog10(ExecState* exec) { - return jsDoubleNumber(exec, exec->globalData().weakRandom.get()); + return JSValue::encode(jsDoubleNumber(log10(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncRound(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncLog2(ExecState* exec) { - double arg = args.at(0).toNumber(exec); - if (signbit(arg) && arg >= -0.5) - return jsNumber(exec, -0.0); - return jsNumber(exec, floor(arg + 0.5)); + return JSValue::encode(jsDoubleNumber(log2(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncSin(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncSinh(ExecState* exec) { - return jsDoubleNumber(exec, sin(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(sinh(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncTanh(ExecState* exec) { - return jsDoubleNumber(exec, sqrt(args.at(0).toNumber(exec))); + return JSValue::encode(jsDoubleNumber(tanh(exec->argument(0).toNumber(exec)))); } -JSValue JSC_HOST_CALL mathProtoFuncTan(ExecState* exec, JSObject*, JSValue, const ArgList& args) +EncodedJSValue JSC_HOST_CALL mathProtoFuncTrunc(ExecState*exec) { - return jsDoubleNumber(exec, tan(args.at(0).toNumber(exec))); + return JSValue::encode(jsNumber(exec->argument(0).toIntegerPreserveNaN(exec))); } } // namespace JSC