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#include "config.h" #include "MathObject.h" #include "ObjectPrototype.h" #include "Operations.h" #include <time.h> #include <wtf/Assertions.h> #include <wtf/MathExtras.h> #include <wtf/RandomNumber.h> #include <wtf/RandomNumberSeed.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&); } #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, NonNullPassRefPtr<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); } // ECMA 15.8 bool MathObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot &slot) { return getStaticFunctionSlot<JSObject>(exec, ExecState::mathTable(exec), this, propertyName, slot); } bool MathObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) { return getStaticFunctionDescriptor<JSObject>(exec, ExecState::mathTable(exec), this, propertyName, descriptor); } // ------------------------------ Functions -------------------------------- JSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsNumber(exec, fabs(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, acos(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, asin(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, atan(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, atan2(args.at(0).toNumber(exec), args.at(1).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsNumber(exec, ceil(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, cos(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, exp(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsNumber(exec, floor(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncLog(ExecState* exec, JSObject*, JSValue, const ArgList& args) { return jsDoubleNumber(exec, log(args.at(0).toNumber(exec))); } JSValue JSC_HOST_CALL mathProtoFuncMax(ExecState* exec, JSObject*, JSValue, const ArgList& args) { unsigned argsCount = args.size(); double result = -Inf; 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))) result = val; } return jsNumber(exec, result); } JSValue JSC_HOST_CALL mathProtoFuncMin(ExecState* exec, JSObject*, JSValue, const ArgList& args) { unsigned argsCount = args.size(); double result = +Inf; 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))) result = val; } return jsNumber(exec, result); } JSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec, JSObject*, JSValue, const ArgList& args) { // ECMA 15.8.2.1.13 double arg = args.at(0).toNumber(exec); double arg2 = args.at(1).toNumber(exec); if (isnan(arg2)