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LibJS: Add Value::is_integer()

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This commit is contained in:
Linus Groh 2020-05-08 16:15:04 +01:00 • committed by Andreas Kling
parent 88738aefa3
commit 8137f40b73
2 changed files with 2 additions and 2 deletions
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3
Libraries/LibJS/Runtime/NumberConstructor.cpp
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@ -84,8 +84,7 @@ Value NumberConstructor::is_finite(Interpreter& interpreter)
Value NumberConstructor::is_integer(Interpreter& interpreter)
{
auto value = interpreter.argument(0);
return Value(value.is_number() && (i32)value.as_double() == value.as_double());
return Value(interpreter.argument(0).is_integer());
}
Value NumberConstructor::is_nan(Interpreter& interpreter)

1
Libraries/LibJS/Runtime/Value.h
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@ -60,6 +60,7 @@ public:
bool is_infinity() const { return is_number() && __builtin_isinf(as_double()); }
bool is_positive_zero() const { return is_number() && 1.0 / as_double() == __builtin_huge_val(); }
bool is_negative_zero() const { return is_number() && 1.0 / as_double() == -__builtin_huge_val(); }
bool is_integer() const { return is_finite_number() && (i32)as_double() == as_double(); }
bool is_finite_number() const
{
if (!is_number())