/*
* 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
#include "config.h"
#include "MathObject.h"
+#include "Lookup.h"
+#include "MathCommon.h"
#include "ObjectPrototype.h"
-#include "Operations.h"
+#include "JSCInlines.h"
#include <time.h>
#include <wtf/Assertions.h>
#include <wtf/MathExtras.h>
#include <wtf/RandomNumber.h>
#include <wtf/RandomNumberSeed.h>
+#include <wtf/Vector.h>
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::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(ExecState* exec, PassRefPtr<Structure> structure)
- : JSObject(structure)
-{
- 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);
- WTF::initializeWeakRandomNumberGenerator();
-}
-
-// ECMA 15.8
-
-bool MathObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot &slot)
-{
- const HashEntry* entry = ExecState::mathTable(exec)->entry(exec, propertyName);
-
- if (!entry)
- return JSObject::getOwnPropertySlot(exec, propertyName, slot);
-
- ASSERT(entry->attributes() & Function);
- setUpStaticFunctionSlot(exec, entry, this, propertyName, slot);
- return true;
+const ClassInfo MathObject::s_info = { "Math", &Base::s_info, 0, CREATE_METHOD_TABLE(MathObject) };
+
+MathObject::MathObject(VM& vm, Structure* structure)
+ : JSNonFinalObject(vm, structure)
+{
+}
+
+void MathObject::finishCreation(VM& vm, JSGlobalObject* globalObject)
+{
+ 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);
}
// ------------------------------ Functions --------------------------------
-JSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec)
{
- return jsNumber(exec, fabs(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsNumber(fabs(exec->argument(0).toNumber(exec))));
}
-JSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec)
{
- return jsNumber(exec, acos(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsDoubleNumber(acos(exec->argument(0).toNumber(exec))));
}
-JSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec)
{
- return jsNumber(exec, asin(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsDoubleNumber(asin(exec->argument(0).toNumber(exec))));
}
-JSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec)
{
- return jsNumber(exec, atan(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsDoubleNumber(atan(exec->argument(0).toNumber(exec))));
}
-JSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec)
{
- return jsNumber(exec, atan2(args.at(0).toNumber(exec), args.at(1).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 mathProtoFuncCeil(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState* exec)
{
- return jsNumber(exec, ceil(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsNumber(ceil(exec->argument(0).toNumber(exec))));
}
-JSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncClz32(ExecState* exec)
{
- return jsNumber(exec, cos(args.at(0).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 mathProtoFuncExp(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec)
{
- return jsNumber(exec, exp(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsDoubleNumber(cos(exec->argument(0).toNumber(exec))));
}
-JSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec)
{
- return jsNumber(exec, floor(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsDoubleNumber(exp(exec->argument(0).toNumber(exec))));
+}
+
+EncodedJSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec)
+{
+ return JSValue::encode(jsNumber(floor(exec->argument(0).toNumber(exec))));
+}
+
+EncodedJSValue JSC_HOST_CALL mathProtoFuncHypot(ExecState* exec)
+{
+ unsigned argsCount = exec->argumentCount();
+ double max = 0;
+ Vector<double, 8> 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<double>::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 jsNumber(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<double>::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<double>::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))));
+}
+
+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))));
+}
- 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 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<float>(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 jsNumber(exec, WTF::weakRandomNumber());
+ 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 jsNumber(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 jsNumber(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 jsNumber(exec, tan(args.at(0).toNumber(exec)));
+ return JSValue::encode(jsNumber(exec->argument(0).toIntegerPreserveNaN(exec)));
}
} // namespace JSC
projects / apple / javascriptcore.git / blobdiff