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LibJS: Convert MathObject functions to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-10-29 01:00:05 +03:00
parent b184e872e4
commit 23ea1f1a3e
2 changed files with 142 additions and 142 deletions
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214
Userland/Libraries/LibJS/Runtime/MathObject.cpp
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@ -24,41 +24,41 @@ void MathObject::initialize(GlobalObject& global_object)
auto& vm = this->vm();
Object::initialize(global_object);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_old_native_function(vm.names.abs, abs, 1, attr);
define_old_native_function(vm.names.random, random, 0, attr);
define_old_native_function(vm.names.sqrt, sqrt, 1, attr);
define_old_native_function(vm.names.floor, floor, 1, attr);
define_old_native_function(vm.names.ceil, ceil, 1, attr);
define_old_native_function(vm.names.round, round, 1, attr);
define_old_native_function(vm.names.max, max, 2, attr);
define_old_native_function(vm.names.min, min, 2, attr);
define_old_native_function(vm.names.trunc, trunc, 1, attr);
define_old_native_function(vm.names.sin, sin, 1, attr);
define_old_native_function(vm.names.cos, cos, 1, attr);
define_old_native_function(vm.names.tan, tan, 1, attr);
define_old_native_function(vm.names.pow, pow, 2, attr);
define_old_native_function(vm.names.exp, exp, 1, attr);
define_old_native_function(vm.names.expm1, expm1, 1, attr);
define_old_native_function(vm.names.sign, sign, 1, attr);
define_old_native_function(vm.names.clz32, clz32, 1, attr);
define_old_native_function(vm.names.acos, acos, 1, attr);
define_old_native_function(vm.names.acosh, acosh, 1, attr);
define_old_native_function(vm.names.asin, asin, 1, attr);
define_old_native_function(vm.names.asinh, asinh, 1, attr);
define_old_native_function(vm.names.atan, atan, 1, attr);
define_old_native_function(vm.names.atanh, atanh, 1, attr);
define_old_native_function(vm.names.log1p, log1p, 1, attr);
define_old_native_function(vm.names.cbrt, cbrt, 1, attr);
define_old_native_function(vm.names.atan2, atan2, 2, attr);
define_old_native_function(vm.names.fround, fround, 1, attr);
define_old_native_function(vm.names.hypot, hypot, 2, attr);
define_old_native_function(vm.names.imul, imul, 2, attr);
define_old_native_function(vm.names.log, log, 1, attr);
define_old_native_function(vm.names.log2, log2, 1, attr);
define_old_native_function(vm.names.log10, log10, 1, attr);
define_old_native_function(vm.names.sinh, sinh, 1, attr);
define_old_native_function(vm.names.cosh, cosh, 1, attr);
define_old_native_function(vm.names.tanh, tanh, 1, attr);
define_native_function(vm.names.abs, abs, 1, attr);
define_native_function(vm.names.random, random, 0, attr);
define_native_function(vm.names.sqrt, sqrt, 1, attr);
define_native_function(vm.names.floor, floor, 1, attr);
define_native_function(vm.names.ceil, ceil, 1, attr);
define_native_function(vm.names.round, round, 1, attr);
define_native_function(vm.names.max, max, 2, attr);
define_native_function(vm.names.min, min, 2, attr);
define_native_function(vm.names.trunc, trunc, 1, attr);
define_native_function(vm.names.sin, sin, 1, attr);
define_native_function(vm.names.cos, cos, 1, attr);
define_native_function(vm.names.tan, tan, 1, attr);
define_native_function(vm.names.pow, pow, 2, attr);
define_native_function(vm.names.exp, exp, 1, attr);
define_native_function(vm.names.expm1, expm1, 1, attr);
define_native_function(vm.names.sign, sign, 1, attr);
define_native_function(vm.names.clz32, clz32, 1, attr);
define_native_function(vm.names.acos, acos, 1, attr);
define_native_function(vm.names.acosh, acosh, 1, attr);
define_native_function(vm.names.asin, asin, 1, attr);
define_native_function(vm.names.asinh, asinh, 1, attr);
define_native_function(vm.names.atan, atan, 1, attr);
define_native_function(vm.names.atanh, atanh, 1, attr);
define_native_function(vm.names.log1p, log1p, 1, attr);
define_native_function(vm.names.cbrt, cbrt, 1, attr);
define_native_function(vm.names.atan2, atan2, 2, attr);
define_native_function(vm.names.fround, fround, 1, attr);
define_native_function(vm.names.hypot, hypot, 2, attr);
define_native_function(vm.names.imul, imul, 2, attr);
define_native_function(vm.names.log, log, 1, attr);
define_native_function(vm.names.log2, log2, 1, attr);
define_native_function(vm.names.log10, log10, 1, attr);
define_native_function(vm.names.sinh, sinh, 1, attr);
define_native_function(vm.names.cosh, cosh, 1, attr);
define_native_function(vm.names.tanh, tanh, 1, attr);
// 21.3.1 Value Properties of the Math Object, https://tc39.es/ecma262/#sec-value-properties-of-the-math-object
define_direct_property(vm.names.E, Value(M_E), 0);
@ -79,9 +79,9 @@ MathObject::~MathObject()
}
// 21.3.2.1 Math.abs ( x ), https://tc39.es/ecma262/#sec-math.abs
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::abs)
JS_DEFINE_NATIVE_FUNCTION(MathObject::abs)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
if (number.is_negative_zero())
@ -92,34 +92,34 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::abs)
}
// 21.3.2.27 Math.random ( ), https://tc39.es/ecma262/#sec-math.random
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::random)
JS_DEFINE_NATIVE_FUNCTION(MathObject::random)
{
double r = (double)get_random<u32>() / (double)UINT32_MAX;
return Value(r);
}
// 21.3.2.32 Math.sqrt ( x ), https://tc39.es/ecma262/#sec-math.sqrt
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::sqrt)
JS_DEFINE_NATIVE_FUNCTION(MathObject::sqrt)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::sqrt(number.as_double()));
}
// 21.3.2.16 Math.floor ( x ), https://tc39.es/ecma262/#sec-math.floor
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::floor)
JS_DEFINE_NATIVE_FUNCTION(MathObject::floor)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::floor(number.as_double()));
}
// 21.3.2.10 Math.ceil ( x ), https://tc39.es/ecma262/#sec-math.ceil
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::ceil)
JS_DEFINE_NATIVE_FUNCTION(MathObject::ceil)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
auto number_double = number.as_double();
@ -129,9 +129,9 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::ceil)
}
// 21.3.2.28 Math.round ( x ), https://tc39.es/ecma262/#sec-math.round
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::round)
JS_DEFINE_NATIVE_FUNCTION(MathObject::round)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
double integer = ::ceil(value);
if (integer - 0.5 > value)
integer--;
@ -139,11 +139,11 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::round)
}
// 21.3.2.24 Math.max ( ...args ), https://tc39.es/ecma262/#sec-math.max
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::max)
JS_DEFINE_NATIVE_FUNCTION(MathObject::max)
{
Vector<Value> coerced;
for (size_t i = 0; i < vm.argument_count(); ++i)
coerced.append(TRY_OR_DISCARD(vm.argument(i).to_number(global_object)));
coerced.append(TRY(vm.argument(i).to_number(global_object)));
auto highest = js_negative_infinity();
for (auto& number : coerced) {
@ -156,11 +156,11 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::max)
}
// 21.3.2.25 Math.min ( ...args ), https://tc39.es/ecma262/#sec-math.min
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::min)
JS_DEFINE_NATIVE_FUNCTION(MathObject::min)
{
Vector<Value> coerced;
for (size_t i = 0; i < vm.argument_count(); ++i)
coerced.append(TRY_OR_DISCARD(vm.argument(i).to_number(global_object)));
coerced.append(TRY(vm.argument(i).to_number(global_object)));
auto lowest = js_infinity();
for (auto& number : coerced) {
@ -173,9 +173,9 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::min)
}
// 21.3.2.35 Math.trunc ( x ), https://tc39.es/ecma262/#sec-math.trunc
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::trunc)
JS_DEFINE_NATIVE_FUNCTION(MathObject::trunc)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
if (number.as_double() < 0)
@ -184,37 +184,37 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::trunc)
}
// 21.3.2.30 Math.sin ( x ), https://tc39.es/ecma262/#sec-math.sin
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::sin)
JS_DEFINE_NATIVE_FUNCTION(MathObject::sin)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::sin(number.as_double()));
}
// 21.3.2.12 Math.cos ( x ), https://tc39.es/ecma262/#sec-math.cos
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::cos)
JS_DEFINE_NATIVE_FUNCTION(MathObject::cos)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::cos(number.as_double()));
}
// 21.3.2.33 Math.tan ( x ), https://tc39.es/ecma262/#sec-math.tan
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::tan)
JS_DEFINE_NATIVE_FUNCTION(MathObject::tan)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::tan(number.as_double()));
}
// 21.3.2.26 Math.pow ( base, exponent ), https://tc39.es/ecma262/#sec-math.pow
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::pow)
JS_DEFINE_NATIVE_FUNCTION(MathObject::pow)
{
auto base = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto exponent = TRY_OR_DISCARD(vm.argument(1).to_number(global_object));
auto base = TRY(vm.argument(0).to_number(global_object));
auto exponent = TRY(vm.argument(1).to_number(global_object));
if (exponent.is_nan())
return js_nan();
if (exponent.is_positive_zero() || exponent.is_negative_zero())
@ -265,27 +265,27 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::pow)
}
// 21.3.2.14 Math.exp ( x ), https://tc39.es/ecma262/#sec-math.exp
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::exp)
JS_DEFINE_NATIVE_FUNCTION(MathObject::exp)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::exp(number.as_double()));
}
// 21.3.2.15 Math.expm1 ( x ), https://tc39.es/ecma262/#sec-math.expm1
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::expm1)
JS_DEFINE_NATIVE_FUNCTION(MathObject::expm1)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::expm1(number.as_double()));
}
// 21.3.2.29 Math.sign ( x ), https://tc39.es/ecma262/#sec-math.sign
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::sign)
JS_DEFINE_NATIVE_FUNCTION(MathObject::sign)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_positive_zero())
return Value(0);
if (number.is_negative_zero())
@ -298,18 +298,18 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::sign)
}
// 21.3.2.11 Math.clz32 ( x ), https://tc39.es/ecma262/#sec-math.clz32
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::clz32)
JS_DEFINE_NATIVE_FUNCTION(MathObject::clz32)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_u32(global_object));
auto number = TRY(vm.argument(0).to_u32(global_object));
if (number == 0)
return Value(32);
return Value(__builtin_clz(number));
}
// 21.3.2.2 Math.acos ( x ), https://tc39.es/ecma262/#sec-math.acos
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::acos)
JS_DEFINE_NATIVE_FUNCTION(MathObject::acos)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan() || number.as_double() > 1 || number.as_double() < -1)
return js_nan();
if (number.as_double() == 1)
@ -318,33 +318,33 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::acos)
}
// 21.3.2.3 Math.acosh ( x ), https://tc39.es/ecma262/#sec-math.acosh
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::acosh)
JS_DEFINE_NATIVE_FUNCTION(MathObject::acosh)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
if (value < 1)
return js_nan();
return Value(::acosh(value));
}
// 21.3.2.4 Math.asin ( x ), https://tc39.es/ecma262/#sec-math.asin
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::asin)
JS_DEFINE_NATIVE_FUNCTION(MathObject::asin)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan() || number.is_positive_zero() || number.is_negative_zero())
return number;
return Value(::asin(number.as_double()));
}
// 21.3.2.5 Math.asinh ( x ), https://tc39.es/ecma262/#sec-math.asinh
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::asinh)
JS_DEFINE_NATIVE_FUNCTION(MathObject::asinh)
{
return Value(::asinh(TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double()));
return Value(::asinh(TRY(vm.argument(0).to_number(global_object)).as_double()));
}
// 21.3.2.6 Math.atan ( x ), https://tc39.es/ecma262/#sec-math.atan
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::atan)
JS_DEFINE_NATIVE_FUNCTION(MathObject::atan)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan() || number.is_positive_zero() || number.is_negative_zero())
return number;
if (number.is_positive_infinity())
@ -355,36 +355,36 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::atan)
}
// 21.3.2.7 Math.atanh ( x ), https://tc39.es/ecma262/#sec-math.atanh
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::atanh)
JS_DEFINE_NATIVE_FUNCTION(MathObject::atanh)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
if (value > 1 || value < -1)
return js_nan();
return Value(::atanh(value));
}
// 21.3.2.21 Math.log1p ( x ), https://tc39.es/ecma262/#sec-math.log1p
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::log1p)
JS_DEFINE_NATIVE_FUNCTION(MathObject::log1p)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
if (value < -1)
return js_nan();
return Value(::log1p(value));
}
// 21.3.2.9 Math.cbrt ( x ), https://tc39.es/ecma262/#sec-math.cbrt
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::cbrt)
JS_DEFINE_NATIVE_FUNCTION(MathObject::cbrt)
{
return Value(::cbrt(TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double()));
return Value(::cbrt(TRY(vm.argument(0).to_number(global_object)).as_double()));
}
// 21.3.2.8 Math.atan2 ( y, x ), https://tc39.es/ecma262/#sec-math.atan2
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::atan2)
JS_DEFINE_NATIVE_FUNCTION(MathObject::atan2)
{
auto constexpr three_quarters_pi = M_PI_4 + M_PI_2;
auto y = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto x = TRY_OR_DISCARD(vm.argument(1).to_number(global_object));
auto y = TRY(vm.argument(0).to_number(global_object));
auto x = TRY(vm.argument(1).to_number(global_object));
if (y.is_nan() || x.is_nan())
return js_nan();
@ -438,20 +438,20 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::atan2)
}
// 21.3.2.17 Math.fround ( x ), https://tc39.es/ecma262/#sec-math.fround
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::fround)
JS_DEFINE_NATIVE_FUNCTION(MathObject::fround)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value((float)number.as_double());
}
// 21.3.2.18 Math.hypot ( ...args ), https://tc39.es/ecma262/#sec-math.hypot
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::hypot)
JS_DEFINE_NATIVE_FUNCTION(MathObject::hypot)
{
Vector<Value> coerced;
for (size_t i = 0; i < vm.argument_count(); ++i)
coerced.append(TRY_OR_DISCARD(vm.argument(i).to_number(global_object)));
coerced.append(TRY(vm.argument(i).to_number(global_object)));
for (auto& number : coerced) {
if (number.is_positive_infinity() || number.is_negative_infinity())
@ -475,62 +475,62 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::hypot)
}
// 21.3.2.19 Math.imul ( x, y ), https://tc39.es/ecma262/#sec-math.imul
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::imul)
JS_DEFINE_NATIVE_FUNCTION(MathObject::imul)
{
auto a = TRY_OR_DISCARD(vm.argument(0).to_u32(global_object));
auto b = TRY_OR_DISCARD(vm.argument(1).to_u32(global_object));
auto a = TRY(vm.argument(0).to_u32(global_object));
auto b = TRY(vm.argument(1).to_u32(global_object));
return Value(static_cast<i32>(a * b));
}
// 21.3.2.20 Math.log ( x ), https://tc39.es/ecma262/#sec-math.log
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::log)
JS_DEFINE_NATIVE_FUNCTION(MathObject::log)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
if (value < 0)
return js_nan();
return Value(::log(value));
}
// 21.3.2.23 Math.log2 ( x ), https://tc39.es/ecma262/#sec-math.log2
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::log2)
JS_DEFINE_NATIVE_FUNCTION(MathObject::log2)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
if (value < 0)
return js_nan();
return Value(::log2(value));
}
// 21.3.2.22 Math.log10 ( x ), https://tc39.es/ecma262/#sec-math.log10
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::log10)
JS_DEFINE_NATIVE_FUNCTION(MathObject::log10)
{
auto value = TRY_OR_DISCARD(vm.argument(0).to_number(global_object)).as_double();
auto value = TRY(vm.argument(0).to_number(global_object)).as_double();
if (value < 0)
return js_nan();
return Value(::log10(value));
}
// 21.3.2.31 Math.sinh ( x ), https://tc39.es/ecma262/#sec-math.sinh
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::sinh)
JS_DEFINE_NATIVE_FUNCTION(MathObject::sinh)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::sinh(number.as_double()));
}
// 21.3.2.13 Math.cosh ( x ), https://tc39.es/ecma262/#sec-math.cosh
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::cosh)
JS_DEFINE_NATIVE_FUNCTION(MathObject::cosh)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
return Value(::cosh(number.as_double()));
}
// 21.3.2.34 Math.tanh ( x ), https://tc39.es/ecma262/#sec-math.tanh
JS_DEFINE_OLD_NATIVE_FUNCTION(MathObject::tanh)
JS_DEFINE_NATIVE_FUNCTION(MathObject::tanh)
{
auto number = TRY_OR_DISCARD(vm.argument(0).to_number(global_object));
auto number = TRY(vm.argument(0).to_number(global_object));
if (number.is_nan())
return js_nan();
if (number.is_positive_infinity())