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- Track down and fix edge cases.
- Some refactoring and renaming for clarity and simplicity
This commit is contained in:
Ed Hennis
2025-11-12 20:32:47 -05:00
parent 343824332c
commit d2d403da90
6 changed files with 139 additions and 101 deletions
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24
src/libxrpl/protocol/STNumber.cpp
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@@ -50,11 +50,25 @@ STNumber::add(Serializer& s) const
XRPL_ASSERT(
getFName().fieldType == getSType(),
"ripple::STNumber::add : field type match");
constexpr std::int64_t min = 100'000'000'000'000'000LL;
constexpr std::int64_t max = min * 10 - 1;
auto const [mantissa, exponent] = value_.normalizeToRange(min, max);
s.add64(mantissa);
s.add32(exponent);
if (value_.mantissa() <= std::numeric_limits<std::int64_t>::max() &&
value_.mantissa() >= std::numeric_limits<std::int64_t>::min())
{
// If the mantissa fits in the range of std::int64_t, write it directly.
// This preserves the maximum available precision.
// With the small range, all numbers should be written this way. With
// the large range, it's likely that most numbers will be written this
// way.
s.add64(static_cast<std::int64_t>(value_.mantissa()));
s.add32(value_.exponent());
}
else
{
constexpr std::int64_t min = 100'000'000'000'000'000LL;
constexpr std::int64_t max = min * 10 - 1;
auto const [mantissa, exponent] = value_.normalizeToRange(min, max);
s.add64(mantissa);
s.add32(exponent);
}
}
Number const&