1/*
2 * Copyright (C) 1999-2000 Harri Porten ([email protected])
3 * Copyright (C) 2007-2008, 2013, 2015-2016 Apple Inc. All Rights Reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21#include "config.h"
22#include "MathObject.h"
23
24#include "JSCInlines.h"
25#include "MathCommon.h"
26#include "ObjectPrototype.h"
27#include <time.h>
28#include <wtf/Assertions.h>
29#include <wtf/MathExtras.h>
30#include <wtf/Vector.h>
31
32namespace JSC {
33
34STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(MathObject);
35
36EncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState*);
37EncodedJSValue JSC_HOST_CALL mathProtoFuncACosh(ExecState*);
38EncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState*);
39EncodedJSValue JSC_HOST_CALL mathProtoFuncASinh(ExecState*);
40EncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState*);
41EncodedJSValue JSC_HOST_CALL mathProtoFuncATanh(ExecState*);
42EncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState*);
43EncodedJSValue JSC_HOST_CALL mathProtoFuncCbrt(ExecState*);
44EncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState*);
45EncodedJSValue JSC_HOST_CALL mathProtoFuncClz32(ExecState*);
46EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState*);
47EncodedJSValue JSC_HOST_CALL mathProtoFuncCosh(ExecState*);
48EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState*);
49EncodedJSValue JSC_HOST_CALL mathProtoFuncExpm1(ExecState*);
50EncodedJSValue JSC_HOST_CALL mathProtoFuncFround(ExecState*);
51EncodedJSValue JSC_HOST_CALL mathProtoFuncHypot(ExecState*);
52EncodedJSValue JSC_HOST_CALL mathProtoFuncLog(ExecState*);
53EncodedJSValue JSC_HOST_CALL mathProtoFuncLog1p(ExecState*);
54EncodedJSValue JSC_HOST_CALL mathProtoFuncLog10(ExecState*);
55EncodedJSValue JSC_HOST_CALL mathProtoFuncLog2(ExecState*);
56EncodedJSValue JSC_HOST_CALL mathProtoFuncMax(ExecState*);
57EncodedJSValue JSC_HOST_CALL mathProtoFuncMin(ExecState*);
58EncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState*);
59EncodedJSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState*);
60EncodedJSValue JSC_HOST_CALL mathProtoFuncRound(ExecState*);
61EncodedJSValue JSC_HOST_CALL mathProtoFuncSign(ExecState*);
62EncodedJSValue JSC_HOST_CALL mathProtoFuncSin(ExecState*);
63EncodedJSValue JSC_HOST_CALL mathProtoFuncSinh(ExecState*);
64EncodedJSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState*);
65EncodedJSValue JSC_HOST_CALL mathProtoFuncTan(ExecState*);
66EncodedJSValue JSC_HOST_CALL mathProtoFuncTanh(ExecState*);
67EncodedJSValue JSC_HOST_CALL mathProtoFuncIMul(ExecState*);
68
69const ClassInfo MathObject::s_info = { "Math", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(MathObject) };
70
71MathObject::MathObject(VM& vm, Structure* structure)
72 : JSNonFinalObject(vm, structure)
73{
74}
75
76void MathObject::finishCreation(VM& vm, JSGlobalObject* globalObject)
77{
78 Base::finishCreation(vm);
79 ASSERT(inherits(vm, info()));
80
81 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "E"), jsNumber(Math::exp(1.0)), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
82 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LN2"), jsNumber(Math::log(2.0)), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
83 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LN10"), jsNumber(Math::log(10.0)), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
84 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LOG2E"), jsNumber(1.0 / Math::log(2.0)), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
85 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "LOG10E"), jsNumber(0.4342944819032518), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
86 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "PI"), jsNumber(piDouble), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
87 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "SQRT1_2"), jsNumber(sqrt(0.5)), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
88 putDirectWithoutTransition(vm, Identifier::fromString(&vm, "SQRT2"), jsNumber(sqrt(2.0)), PropertyAttribute::DontDelete | PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
89 putDirectWithoutTransition(vm, vm.propertyNames->toStringTagSymbol, jsString(&vm, "Math"), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
90
91 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "abs"), 1, mathProtoFuncAbs, AbsIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
92 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "acos"), 1, mathProtoFuncACos, ACosIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
93 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "asin"), 1, mathProtoFuncASin, ASinIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
94 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "atan"), 1, mathProtoFuncATan, ATanIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
95 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "acosh"), 1, mathProtoFuncACosh, ACoshIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
96 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "asinh"), 1, mathProtoFuncASinh, ASinhIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
97 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "atanh"), 1, mathProtoFuncATanh, ATanhIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
98 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "atan2"), 2, mathProtoFuncATan2, NoIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
99 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "cbrt"), 1, mathProtoFuncCbrt, CbrtIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
100 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "ceil"), 1, mathProtoFuncCeil, CeilIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
101 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "clz32"), 1, mathProtoFuncClz32, Clz32Intrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
102 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "cos"), 1, mathProtoFuncCos, CosIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
103 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "cosh"), 1, mathProtoFuncCosh, CoshIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
104 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "exp"), 1, mathProtoFuncExp, ExpIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
105 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "expm1"), 1, mathProtoFuncExpm1, Expm1Intrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
106 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "floor"), 1, mathProtoFuncFloor, FloorIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
107 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "fround"), 1, mathProtoFuncFround, FRoundIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
108 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "hypot"), 2, mathProtoFuncHypot, NoIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
109 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log"), 1, mathProtoFuncLog, LogIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
110 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log10"), 1, mathProtoFuncLog10, Log10Intrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
111 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log1p"), 1, mathProtoFuncLog1p, Log1pIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
112 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "log2"), 1, mathProtoFuncLog2, Log2Intrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
113 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "max"), 2, mathProtoFuncMax, MaxIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
114 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "min"), 2, mathProtoFuncMin, MinIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
115 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "pow"), 2, mathProtoFuncPow, PowIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
116 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "random"), 0, mathProtoFuncRandom, RandomIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
117 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "round"), 1, mathProtoFuncRound, RoundIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
118 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sign"), 1, mathProtoFuncSign, NoIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
119 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sin"), 1, mathProtoFuncSin, SinIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
120 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sinh"), 1, mathProtoFuncSinh, SinhIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
121 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "sqrt"), 1, mathProtoFuncSqrt, SqrtIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
122 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "tan"), 1, mathProtoFuncTan, TanIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
123 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "tanh"), 1, mathProtoFuncTanh, TanhIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
124 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "trunc"), 1, mathProtoFuncTrunc, TruncIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
125 putDirectNativeFunctionWithoutTransition(vm, globalObject, Identifier::fromString(&vm, "imul"), 2, mathProtoFuncIMul, IMulIntrinsic, static_cast<unsigned>(PropertyAttribute::DontEnum));
126}
127
128// ------------------------------ Functions --------------------------------
129
130EncodedJSValue JSC_HOST_CALL mathProtoFuncAbs(ExecState* exec)
131{
132 return JSValue::encode(jsNumber(fabs(exec->argument(0).toNumber(exec))));
133}
134
135EncodedJSValue JSC_HOST_CALL mathProtoFuncACos(ExecState* exec)
136{
137 return JSValue::encode(jsDoubleNumber(Math::acos(exec->argument(0).toNumber(exec))));
138}
139
140EncodedJSValue JSC_HOST_CALL mathProtoFuncASin(ExecState* exec)
141{
142 return JSValue::encode(jsDoubleNumber(Math::asin(exec->argument(0).toNumber(exec))));
143}
144
145EncodedJSValue JSC_HOST_CALL mathProtoFuncATan(ExecState* exec)
146{
147 return JSValue::encode(jsDoubleNumber(Math::atan(exec->argument(0).toNumber(exec))));
148}
149
150EncodedJSValue JSC_HOST_CALL mathProtoFuncATan2(ExecState* exec)
151{
152 VM& vm = exec->vm();
153 auto scope = DECLARE_THROW_SCOPE(vm);
154 double arg0 = exec->argument(0).toNumber(exec);
155 RETURN_IF_EXCEPTION(scope, encodedJSValue());
156 scope.release();
157 double arg1 = exec->argument(1).toNumber(exec);
158 return JSValue::encode(jsDoubleNumber(atan2(arg0, arg1)));
159}
160
161EncodedJSValue JSC_HOST_CALL mathProtoFuncCeil(ExecState* exec)
162{
163 return JSValue::encode(jsNumber(ceil(exec->argument(0).toNumber(exec))));
164}
165
166EncodedJSValue JSC_HOST_CALL mathProtoFuncClz32(ExecState* exec)
167{
168 VM& vm = exec->vm();
169 auto scope = DECLARE_THROW_SCOPE(vm);
170 uint32_t value = exec->argument(0).toUInt32(exec);
171 RETURN_IF_EXCEPTION(scope, encodedJSValue());
172 return JSValue::encode(JSValue(clz(value)));
173}
174
175EncodedJSValue JSC_HOST_CALL mathProtoFuncCos(ExecState* exec)
176{
177 return JSValue::encode(jsDoubleNumber(Math::cos(exec->argument(0).toNumber(exec))));
178}
179
180EncodedJSValue JSC_HOST_CALL mathProtoFuncExp(ExecState* exec)
181{
182 return JSValue::encode(jsDoubleNumber(Math::exp(exec->argument(0).toNumber(exec))));
183}
184
185EncodedJSValue JSC_HOST_CALL mathProtoFuncFloor(ExecState* exec)
186{
187 return JSValue::encode(jsNumber(floor(exec->argument(0).toNumber(exec))));
188}
189
190EncodedJSValue JSC_HOST_CALL mathProtoFuncHypot(ExecState* exec)
191{
192 VM& vm = exec->vm();
193 auto scope = DECLARE_THROW_SCOPE(vm);
194 unsigned argsCount = exec->argumentCount();
195 double max = 0;
196 Vector<double, 8> args;
197 args.reserveInitialCapacity(argsCount);
198 for (unsigned i = 0; i < argsCount; ++i) {
199 args.uncheckedAppend(exec->uncheckedArgument(i).toNumber(exec));
200 RETURN_IF_EXCEPTION(scope, encodedJSValue());
201 if (std::isinf(args[i]))
202 return JSValue::encode(jsDoubleNumber(+std::numeric_limits<double>::infinity()));
203 max = std::max(fabs(args[i]), max);
204 }
205 if (!max)
206 max = 1;
207 // Kahan summation algorithm significantly reduces the numerical error in the total obtained.
208 double sum = 0;
209 double compensation = 0;
210 for (double argument : args) {
211 double scaledArgument = argument / max;
212 double summand = scaledArgument * scaledArgument - compensation;
213 double preliminary = sum + summand;
214 compensation = (preliminary - sum) - summand;
215 sum = preliminary;
216 }
217 return JSValue::encode(jsDoubleNumber(sqrt(sum) * max));
218}
219
220EncodedJSValue JSC_HOST_CALL mathProtoFuncLog(ExecState* exec)
221{
222 return JSValue::encode(jsDoubleNumber(Math::log(exec->argument(0).toNumber(exec))));
223}
224
225EncodedJSValue JSC_HOST_CALL mathProtoFuncMax(ExecState* exec)
226{
227 VM& vm = exec->vm();
228 auto scope = DECLARE_THROW_SCOPE(vm);
229 unsigned argsCount = exec->argumentCount();
230 double result = -std::numeric_limits<double>::infinity();
231 for (unsigned k = 0; k < argsCount; ++k) {
232 double val = exec->uncheckedArgument(k).toNumber(exec);
233 RETURN_IF_EXCEPTION(scope, encodedJSValue());
234 if (std::isnan(val)) {
235 result = PNaN;
236 } else if (val > result || (!val && !result && !std::signbit(val)))
237 result = val;
238 }
239 return JSValue::encode(jsNumber(result));
240}
241
242EncodedJSValue JSC_HOST_CALL mathProtoFuncMin(ExecState* exec)
243{
244 VM& vm = exec->vm();
245 auto scope = DECLARE_THROW_SCOPE(vm);
246 unsigned argsCount = exec->argumentCount();
247 double result = +std::numeric_limits<double>::infinity();
248 for (unsigned k = 0; k < argsCount; ++k) {
249 double val = exec->uncheckedArgument(k).toNumber(exec);
250 RETURN_IF_EXCEPTION(scope, encodedJSValue());
251 if (std::isnan(val)) {
252 result = PNaN;
253 } else if (val < result || (!val && !result && std::signbit(val)))
254 result = val;
255 }
256 return JSValue::encode(jsNumber(result));
257}
258
259EncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec)
260{
261 // ECMA 15.8.2.1.13
262
263 VM& vm = exec->vm();
264 auto scope = DECLARE_THROW_SCOPE(vm);
265
266 double arg = exec->argument(0).toNumber(exec);
267 RETURN_IF_EXCEPTION(scope, encodedJSValue());
268 scope.release();
269 double arg2 = exec->argument(1).toNumber(exec);
270
271 return JSValue::encode(JSValue(operationMathPow(arg, arg2)));
272}
273
274EncodedJSValue JSC_HOST_CALL mathProtoFuncRandom(ExecState* exec)
275{
276 return JSValue::encode(jsDoubleNumber(exec->lexicalGlobalObject()->weakRandomNumber()));
277}
278
279EncodedJSValue JSC_HOST_CALL mathProtoFuncRound(ExecState* exec)
280{
281 return JSValue::encode(jsNumber(jsRound(exec->argument(0).toNumber(exec))));
282}
283
284EncodedJSValue JSC_HOST_CALL mathProtoFuncSign(ExecState* exec)
285{
286 double arg = exec->argument(0).toNumber(exec);
287 if (std::isnan(arg))
288 return JSValue::encode(jsNaN());
289 if (!arg)
290 return JSValue::encode(std::signbit(arg) ? jsNumber(-0.0) : jsNumber(0));
291 return JSValue::encode(jsNumber(std::signbit(arg) ? -1 : 1));
292}
293
294EncodedJSValue JSC_HOST_CALL mathProtoFuncSin(ExecState* exec)
295{
296 return JSValue::encode(jsDoubleNumber(Math::sin(exec->argument(0).toNumber(exec))));
297}
298
299EncodedJSValue JSC_HOST_CALL mathProtoFuncSqrt(ExecState* exec)
300{
301 return JSValue::encode(jsDoubleNumber(sqrt(exec->argument(0).toNumber(exec))));
302}
303
304EncodedJSValue JSC_HOST_CALL mathProtoFuncTan(ExecState* exec)
305{
306 return JSValue::encode(jsDoubleNumber(Math::tan(exec->argument(0).toNumber(exec))));
307}
308
309EncodedJSValue JSC_HOST_CALL mathProtoFuncIMul(ExecState* exec)
310{
311 VM& vm = exec->vm();
312 auto scope = DECLARE_THROW_SCOPE(vm);
313 int32_t left = exec->argument(0).toInt32(exec);
314 RETURN_IF_EXCEPTION(scope, encodedJSValue());
315 scope.release();
316 int32_t right = exec->argument(1).toInt32(exec);
317 return JSValue::encode(jsNumber(left * right));
318}
319
320EncodedJSValue JSC_HOST_CALL mathProtoFuncACosh(ExecState* exec)
321{
322 return JSValue::encode(jsDoubleNumber(Math::acosh(exec->argument(0).toNumber(exec))));
323}
324
325EncodedJSValue JSC_HOST_CALL mathProtoFuncASinh(ExecState* exec)
326{
327 return JSValue::encode(jsDoubleNumber(Math::asinh(exec->argument(0).toNumber(exec))));
328}
329
330EncodedJSValue JSC_HOST_CALL mathProtoFuncATanh(ExecState* exec)
331{
332 return JSValue::encode(jsDoubleNumber(Math::atanh(exec->argument(0).toNumber(exec))));
333}
334
335EncodedJSValue JSC_HOST_CALL mathProtoFuncCbrt(ExecState* exec)
336{
337 return JSValue::encode(jsDoubleNumber(Math::cbrt(exec->argument(0).toNumber(exec))));
338}
339
340EncodedJSValue JSC_HOST_CALL mathProtoFuncCosh(ExecState* exec)
341{
342 return JSValue::encode(jsDoubleNumber(Math::cosh(exec->argument(0).toNumber(exec))));
343}
344
345EncodedJSValue JSC_HOST_CALL mathProtoFuncExpm1(ExecState* exec)
346{
347 return JSValue::encode(jsDoubleNumber(Math::expm1(exec->argument(0).toNumber(exec))));
348}
349
350EncodedJSValue JSC_HOST_CALL mathProtoFuncFround(ExecState* exec)
351{
352 return JSValue::encode(jsDoubleNumber(static_cast<float>(exec->argument(0).toNumber(exec))));
353}
354
355EncodedJSValue JSC_HOST_CALL mathProtoFuncLog1p(ExecState* exec)
356{
357 return JSValue::encode(jsDoubleNumber(Math::log1p(exec->argument(0).toNumber(exec))));
358}
359
360EncodedJSValue JSC_HOST_CALL mathProtoFuncLog10(ExecState* exec)
361{
362 return JSValue::encode(jsDoubleNumber(Math::log10(exec->argument(0).toNumber(exec))));
363}
364
365EncodedJSValue JSC_HOST_CALL mathProtoFuncLog2(ExecState* exec)
366{
367 return JSValue::encode(jsDoubleNumber(Math::log2(exec->argument(0).toNumber(exec))));
368}
369
370EncodedJSValue JSC_HOST_CALL mathProtoFuncSinh(ExecState* exec)
371{
372 return JSValue::encode(jsDoubleNumber(Math::sinh(exec->argument(0).toNumber(exec))));
373}
374
375EncodedJSValue JSC_HOST_CALL mathProtoFuncTanh(ExecState* exec)
376{
377 return JSValue::encode(jsDoubleNumber(Math::tanh(exec->argument(0).toNumber(exec))));
378}
379
380EncodedJSValue JSC_HOST_CALL mathProtoFuncTrunc(ExecState*exec)
381{
382 return JSValue::encode(jsNumber(exec->argument(0).toIntegerPreserveNaN(exec)));
383}
384
385} // namespace JSC
386