18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2007, 2008 Apple Inc. All Rights Reserved. 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is free software; you can redistribute it and/or 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modify it under the terms of the GNU Lesser General Public 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License as published by the Free Software Foundation; either 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version 2 of the License, or (at your option) any later version. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is distributed in the hope that it will be useful, 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Lesser General Public License for more details. 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * You should have received a copy of the GNU Lesser General Public 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License along with this library; if not, write to the Free Software 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "MathObject.h" 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 24dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block#include "Lookup.h" 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "ObjectPrototype.h" 26635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "Operations.h" 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <time.h> 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/Assertions.h> 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <wtf/MathExtras.h> 30635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include <wtf/RandomNumber.h> 31635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include <wtf/RandomNumberSeed.h> 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace JSC { 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source ProjectASSERT_CLASS_FITS_IN_CELL(MathObject); 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 37545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState*); 38545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState*); 39545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState*); 40545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState*); 41545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState*); 42545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState*); 43545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState*); 44545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState*); 45545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState*); 46545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncLog(ExecState*); 47545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncMax(ExecState*); 48545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncMin(ExecState*); 49545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState*); 50545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState*); 51545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncRound(ExecState*); 52545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncSin(ExecState*); 53545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState*); 54545e470e52f0ac6a3a072bf559c796b42c6066b6Ben Murdochstatic EncodedJSValue JSC_HOST_CALL mathProtoFuncTan(ExecState*); 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "MathObject.lut.h" 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace JSC { 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// ------------------------------ MathObject -------------------------------- 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 6481bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdochconst ClassInfo MathObject::s_info = { "Math", &JSObjectWithGlobalObject::s_info, 0, ExecState::mathTable }; 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* Source for MathObject.lut.h 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project@begin mathTable 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project abs mathProtoFuncAbs DontEnum|Function 1 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project acos mathProtoFuncACos DontEnum|Function 1 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project asin mathProtoFuncASin DontEnum|Function 1 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project atan mathProtoFuncATan DontEnum|Function 1 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project atan2 mathProtoFuncATan2 DontEnum|Function 2 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ceil mathProtoFuncCeil DontEnum|Function 1 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project cos mathProtoFuncCos DontEnum|Function 1 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project exp mathProtoFuncExp DontEnum|Function 1 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project floor mathProtoFuncFloor DontEnum|Function 1 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project log mathProtoFuncLog DontEnum|Function 1 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project max mathProtoFuncMax DontEnum|Function 2 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project min mathProtoFuncMin DontEnum|Function 2 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project pow mathProtoFuncPow DontEnum|Function 2 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project random mathProtoFuncRandom DontEnum|Function 0 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project round mathProtoFuncRound DontEnum|Function 1 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project sin mathProtoFuncSin DontEnum|Function 1 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project sqrt mathProtoFuncSqrt DontEnum|Function 1 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project tan mathProtoFuncTan DontEnum|Function 1 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project@end 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project*/ 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 892daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben MurdochMathObject::MathObject(ExecState* exec, JSGlobalObject* globalObject, Structure* structure) 90e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block : JSObjectWithGlobalObject(globalObject, structure) 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 9281bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch ASSERT(inherits(&s_info)); 9381bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch 942fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "E"), jsNumber(exp(1.0)), DontDelete | DontEnum | ReadOnly); 952fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "LN2"), jsNumber(log(2.0)), DontDelete | DontEnum | ReadOnly); 962fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "LN10"), jsNumber(log(10.0)), DontDelete | DontEnum | ReadOnly); 972fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "LOG2E"), jsNumber(1.0 / log(2.0)), DontDelete | DontEnum | ReadOnly); 9881bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch putDirectWithoutTransition(exec->globalData(), Identifier(exec, "LOG10E"), jsNumber(0.4342944819032518), DontDelete | DontEnum | ReadOnly); // See ECMA-262 15.8.1.5 992fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "PI"), jsNumber(piDouble), DontDelete | DontEnum | ReadOnly); 1002fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "SQRT1_2"), jsNumber(sqrt(0.5)), DontDelete | DontEnum | ReadOnly); 1012fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirectWithoutTransition(exec->globalData(), Identifier(exec, "SQRT2"), jsNumber(sqrt(2.0)), DontDelete | DontEnum | ReadOnly); 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// ECMA 15.8 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1068e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectbool MathObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot &slot) 1078e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 108231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return getStaticFunctionSlot<JSObject>(exec, ExecState::mathTable(exec), this, propertyName, slot); 109231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block} 1108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 111231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockbool MathObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 112231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block{ 113231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return getStaticFunctionDescriptor<JSObject>(exec, ExecState::mathTable(exec), this, propertyName, descriptor); 1148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// ------------------------------ Functions -------------------------------- 1178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 118545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec) 1198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 120e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(fabs(exec->argument(0).toNumber(exec)))); 1218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 123545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec) 1248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 125e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(acos(exec->argument(0).toNumber(exec)))); 1268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 128545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec) 1298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 130e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(asin(exec->argument(0).toNumber(exec)))); 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 133545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec) 1348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 135e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(atan(exec->argument(0).toNumber(exec)))); 1368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 138545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec) 1398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 140bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen double arg0 = exec->argument(0).toNumber(exec); 141bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen double arg1 = exec->argument(1).toNumber(exec); 142e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(atan2(arg0, arg1))); 1438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 145545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState* exec) 1468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 147e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(ceil(exec->argument(0).toNumber(exec)))); 1488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 150545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec) 1518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 152e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(cos(exec->argument(0).toNumber(exec)))); 1538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 155545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec) 1568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 157e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(exp(exec->argument(0).toNumber(exec)))); 1588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 160545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec) 1618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 162e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(floor(exec->argument(0).toNumber(exec)))); 1638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 165545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncLog(ExecState* exec) 1668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 167e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(log(exec->argument(0).toNumber(exec)))); 1688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 170545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncMax(ExecState* exec) 1718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1725af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke unsigned argsCount = exec->argumentCount(); 1738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project double result = -Inf; 1748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for (unsigned k = 0; k < argsCount; ++k) { 1755af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke double val = exec->argument(k).toNumber(exec); 1768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (isnan(val)) { 1778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project result = NaN; 1788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project break; 1798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (val > result || (val == 0 && result == 0 && !signbit(val))) 1818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project result = val; 1828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 183e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(result)); 1848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 186545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncMin(ExecState* exec) 1878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1885af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke unsigned argsCount = exec->argumentCount(); 1898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project double result = +Inf; 1908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project for (unsigned k = 0; k < argsCount; ++k) { 1915af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke double val = exec->argument(k).toNumber(exec); 1928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (isnan(val)) { 1938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project result = NaN; 1948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project break; 1958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 1968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (val < result || (val == 0 && result == 0 && signbit(val))) 1978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project result = val; 1988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 199e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(result)); 2008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 202545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec) 2038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 2048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // ECMA 15.8.2.1.13 2058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 2065af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke double arg = exec->argument(0).toNumber(exec); 2075af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke double arg2 = exec->argument(1).toNumber(exec); 2088e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 2098e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (isnan(arg2)) 210e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNaN()); 2118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (isinf(arg2) && fabs(arg) == 1) 212e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNaN()); 213e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(pow(arg, arg2))); 2148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 216545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState* exec) 2178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 218e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(exec->lexicalGlobalObject()->weakRandomNumber())); 2198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 221545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncRound(ExecState* exec) 2228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 2235af96e2c7b73ebc627c6894727826a7576d31758Leon Clarke double arg = exec->argument(0).toNumber(exec); 2245e2bc6953fe6923165b8a5d7679939693a1d58d6Steve Block double integer = ceil(arg); 225e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsNumber(integer - (integer - arg > 0.5))); 2268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 228545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncSin(ExecState* exec) 2298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 230e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(exec->globalData().cachedSin(exec->argument(0).toNumber(exec))); 2318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 233545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState* exec) 2348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 235e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(sqrt(exec->argument(0).toNumber(exec)))); 2368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 238545e470e52f0ac6a3a072bf559c796b42c6066b6Ben MurdochEncodedJSValue JSC_HOST_CALL mathProtoFuncTan(ExecState* exec) 2398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 240e14391e94c850b8bd03680c23b38978db68687a8John Reck return JSValue::encode(jsDoubleNumber(tan(exec->argument(0).toNumber(exec)))); 2418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 2428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 2438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace JSC 244