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LibCrypto: Add a way to compare UnsignedBigInteger with double

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This patch also make SignedBigInteger::compare_to_double make use
of the new function.
This commit is contained in:
Moustafa Raafat 2022-10-23 16:46:35 +01:00 • committed by Andrew Kaster
parent e03f014e7a
commit 54b8a2b094
7 changed files with 259 additions and 158 deletions
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6
Userland/Libraries/LibJS/Runtime/Value.cpp
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@ -1536,7 +1536,7 @@ ThrowCompletionOr<bool> is_loosely_equal(VM& vm, Value lhs, Value rhs)
auto& number_side = lhs.is_number() ? lhs : rhs;
auto& bigint_side = lhs.is_number() ? rhs : lhs;
return bigint_side.as_bigint().big_integer().compare_to_double(number_side.as_double()) == Crypto::SignedBigInteger::CompareResult::DoubleEqualsBigInt;
return bigint_side.as_bigint().big_integer().compare_to_double(number_side.as_double()) == Crypto::UnsignedBigInteger::CompareResult::DoubleEqualsBigInt;
}
// 14. Return false.
@ -1635,10 +1635,10 @@ ThrowCompletionOr<TriState> is_less_than(VM& vm, Value lhs, Value rhs, bool left
VERIFY(!x_numeric.is_nan() && !y_numeric.is_nan());
if (x_numeric.is_number()) {
x_lower_than_y = y_numeric.as_bigint().big_integer().compare_to_double(x_numeric.as_double())
== Crypto::SignedBigInteger::CompareResult::DoubleLessThanBigInt;
== Crypto::UnsignedBigInteger::CompareResult::DoubleLessThanBigInt;
} else {
x_lower_than_y = x_numeric.as_bigint().big_integer().compare_to_double(y_numeric.as_double())
== Crypto::SignedBigInteger::CompareResult::DoubleGreaterThanBigInt;
== Crypto::UnsignedBigInteger::CompareResult::DoubleGreaterThanBigInt;
}
if (x_lower_than_y)
return TriState::True;