Merge branch 'ripple/wasmi' into wasmi-host-functions

This commit is contained in:
Mayukha Vadari
2026-01-28 15:56:40 -05:00
1019 changed files with 27225 additions and 66757 deletions

View File

@@ -27,8 +27,7 @@ using int128_t = __int128_t;
namespace xrpl {
thread_local Number::rounding_mode Number::mode_ = Number::to_nearest;
thread_local std::reference_wrapper<MantissaRange const> Number::range_ =
largeRange;
thread_local std::reference_wrapper<MantissaRange const> Number::range_ = largeRange;
Number::rounding_mode
Number::getround()
@@ -63,8 +62,7 @@ Number::setMantissaScale(MantissaRange::mantissa_scale scale)
// to be correctly rounded to the internal precision of Number.
template <class T>
concept UnsignedMantissa =
std::is_unsigned_v<T> || std::is_same_v<T, uint128_t>;
concept UnsignedMantissa = std::is_unsigned_v<T> || std::is_same_v<T, uint128_t>;
class Number::Guard
{
@@ -114,11 +112,7 @@ public:
// Modify the result to the correctly rounded value
template <UnsignedMantissa T>
void
doRoundDown(
bool& negative,
T& mantissa,
int& exponent,
internalrep const& minMantissa);
doRoundDown(bool& negative, T& mantissa, int& exponent, internalrep const& minMantissa);
// Modify the result to the correctly rounded value
void
@@ -130,11 +124,7 @@ private:
template <UnsignedMantissa T>
void
bringIntoRange(
bool& negative,
T& mantissa,
int& exponent,
internalrep const& minMantissa);
bringIntoRange(bool& negative, T& mantissa, int& exponent, internalrep const& minMantissa);
};
inline void
@@ -221,11 +211,7 @@ Number::Guard::round() noexcept
template <UnsignedMantissa T>
void
Number::Guard::bringIntoRange(
bool& negative,
T& mantissa,
int& exponent,
internalrep const& minMantissa)
Number::Guard::bringIntoRange(bool& negative, T& mantissa, int& exponent, internalrep const& minMantissa)
{
// Bring mantissa back into the minMantissa / maxMantissa range AFTER
// rounding
@@ -273,11 +259,7 @@ Number::Guard::doRoundUp(
template <UnsignedMantissa T>
void
Number::Guard::doRoundDown(
bool& negative,
T& mantissa,
int& exponent,
internalrep const& minMantissa)
Number::Guard::doRoundDown(bool& negative, T& mantissa, int& exponent, internalrep const& minMantissa)
{
auto r = round();
if (r == 1 || (r == 0 && (mantissa & 1) == 1))
@@ -344,11 +326,7 @@ Number::externalToInternal(rep mantissa)
constexpr Number
Number::oneSmall()
{
return Number{
false,
Number::smallRange.min,
-Number::smallRange.log,
Number::unchecked{}};
return Number{false, Number::smallRange.min, -Number::smallRange.log, Number::unchecked{}};
};
constexpr Number oneSml = Number::oneSmall();
@@ -356,11 +334,7 @@ constexpr Number oneSml = Number::oneSmall();
constexpr Number
Number::oneLarge()
{
return Number{
false,
Number::largeRange.min,
-Number::largeRange.log,
Number::unchecked{}};
return Number{false, Number::largeRange.min, -Number::largeRange.log, Number::unchecked{}};
};
constexpr Number oneLrg = Number::oneLarge();
@@ -449,23 +423,12 @@ doNormalize(
// modification, it must be less than maxRep. In other words, the original
// value should have been no more than maxRep * 10.
// (maxRep * 10 > maxMantissa)
XRPL_ASSERT_PARTS(
m <= maxRep,
"xrpl::doNormalize",
"intermediate mantissa fits in int64");
XRPL_ASSERT_PARTS(m <= maxRep, "xrpl::doNormalize", "intermediate mantissa fits in int64");
mantissa_ = m;
g.doRoundUp(
negative,
mantissa_,
exponent_,
minMantissa,
maxMantissa,
"Number::normalize 2");
g.doRoundUp(negative, mantissa_, exponent_, minMantissa, maxMantissa, "Number::normalize 2");
XRPL_ASSERT_PARTS(
mantissa_ >= minMantissa && mantissa_ <= maxMantissa,
"xrpl::doNormalize",
"final mantissa fits in range");
mantissa_ >= minMantissa && mantissa_ <= maxMantissa, "xrpl::doNormalize", "final mantissa fits in range");
}
template <>
@@ -526,10 +489,7 @@ Number::shiftExponent(int exponentDelta) const
return Number{};
}
Number const result{negative_, mantissa_, newExponent, unchecked{}};
XRPL_ASSERT_PARTS(
result.isnormal(),
"xrpl::Number::shiftExponent",
"result is normalized");
XRPL_ASSERT_PARTS(result.isnormal(), "xrpl::Number::shiftExponent", "result is normalized");
return result;
}
@@ -550,9 +510,7 @@ Number::operator+=(Number const& y)
return *this;
}
XRPL_ASSERT(
isnormal() && y.isnormal(),
"xrpl::Number::operator+=(Number) : is normal");
XRPL_ASSERT(isnormal() && y.isnormal(), "xrpl::Number::operator+=(Number) : is normal");
// *n = negative
// *s = sign
// *m = mantissa
@@ -604,8 +562,7 @@ Number::operator+=(Number const& y)
xm /= 10;
++xe;
}
g.doRoundUp(
xn, xm, xe, minMantissa, maxMantissa, "Number::addition overflow");
g.doRoundUp(xn, xm, xe, minMantissa, maxMantissa, "Number::addition overflow");
}
else
{
@@ -712,12 +669,7 @@ Number::operator*=(Number const& y)
xm = static_cast<internalrep>(zm);
xe = ze;
g.doRoundUp(
zn,
xm,
xe,
minMantissa,
maxMantissa,
"Number::multiplication overflow : exponent is " + std::to_string(xe));
zn, xm, xe, minMantissa, maxMantissa, "Number::multiplication overflow : exponent is " + std::to_string(xe));
negative_ = zn;
mantissa_ = xm;
exponent_ = xe;
@@ -764,10 +716,8 @@ Number::operator/=(Number const& y)
static_assert(smallRange.log == 15);
static_assert(largeRange.log == 18);
bool small = Number::getMantissaScale() == MantissaRange::small;
uint128_t const f =
small ? 100'000'000'000'000'000 : 10'000'000'000'000'000'000ULL;
XRPL_ASSERT_PARTS(
f >= minMantissa * 10, "Number::operator/=", "factor expected size");
uint128_t const f = small ? 100'000'000'000'000'000 : 10'000'000'000'000'000'000ULL;
XRPL_ASSERT_PARTS(f >= minMantissa * 10, "Number::operator/=", "factor expected size");
// unsigned denominator
auto const dmu = static_cast<uint128_t>(dm);
@@ -818,8 +768,7 @@ Number::operator/=(Number const& y)
negative_ = zn;
mantissa_ = static_cast<internalrep>(zm);
exponent_ = ze;
XRPL_ASSERT_PARTS(
isnormal(), "xrpl::Number::operator/=", "result is normalized");
XRPL_ASSERT_PARTS(isnormal(), "xrpl::Number::operator/=", "result is normalized");
return *this;
}
@@ -884,11 +833,9 @@ to_string(Number const& amount)
// Use scientific notation for exponents that are too small or too large
auto const rangeLog = Number::mantissaLog();
if (((exponent != 0) &&
((exponent < -(rangeLog + 10)) || (exponent > -(rangeLog - 10)))))
if (((exponent != 0) && ((exponent < -(rangeLog + 10)) || (exponent > -(rangeLog - 10)))))
{
while (mantissa != 0 && mantissa % 10 == 0 &&
exponent < Number::maxExponent)
while (mantissa != 0 && mantissa % 10 == 0 && exponent < Number::maxExponent)
{
mantissa /= 10;
++exponent;
@@ -900,8 +847,7 @@ to_string(Number const& amount)
return ret;
}
XRPL_ASSERT(
exponent + 43 > 0, "xrpl::to_string(Number) : minimum exponent");
XRPL_ASSERT(exponent + 43 > 0, "xrpl::to_string(Number) : minimum exponent");
ptrdiff_t const pad_prefix = rangeLog + 12;
ptrdiff_t const pad_suffix = rangeLog + 8;
@@ -927,8 +873,7 @@ to_string(Number const& amount)
if (std::distance(pre_from, pre_to) > pad_prefix)
pre_from += pad_prefix;
XRPL_ASSERT(
post_to >= post_from, "xrpl::to_string(Number) : first distance check");
XRPL_ASSERT(post_to >= post_from, "xrpl::to_string(Number) : first distance check");
pre_from = std::find_if(pre_from, pre_to, [](char c) { return c != '0'; });
@@ -937,15 +882,11 @@ to_string(Number const& amount)
if (std::distance(post_from, post_to) > pad_suffix)
post_to -= pad_suffix;
XRPL_ASSERT(
post_to >= post_from,
"xrpl::to_string(Number) : second distance check");
XRPL_ASSERT(post_to >= post_from, "xrpl::to_string(Number) : second distance check");
post_to = std::find_if(
std::make_reverse_iterator(post_to),
std::make_reverse_iterator(post_from),
[](char c) { return c != '0'; })
.base();
post_to = std::find_if(std::make_reverse_iterator(post_to), std::make_reverse_iterator(post_from), [](char c) {
return c != '0';
}).base();
std::string ret;
@@ -1095,8 +1036,7 @@ root(Number f, unsigned d)
e += ex;
f = f.shiftExponent(-e); // f /= 10^e;
XRPL_ASSERT_PARTS(
f.isnormal(), "xrpl::root(Number, unsigned)", "f is normalized");
XRPL_ASSERT_PARTS(f.isnormal(), "xrpl::root(Number, unsigned)", "f is normalized");
bool neg = false;
if (f < zero)
{
@@ -1129,10 +1069,7 @@ root(Number f, unsigned d)
// return r * 10^(e/d) to reverse scaling
auto const result = r.shiftExponent(e / di);
XRPL_ASSERT_PARTS(
result.isnormal(),
"xrpl::root(Number, unsigned)",
"result is normalized");
XRPL_ASSERT_PARTS(result.isnormal(), "xrpl::root(Number, unsigned)", "result is normalized");
return result;
}
@@ -1176,8 +1113,7 @@ root2(Number f)
// return r * 10^(e/2) to reverse scaling
auto const result = r.shiftExponent(e / 2);
XRPL_ASSERT_PARTS(
result.isnormal(), "xrpl::root2(Number)", "result is normalized");
XRPL_ASSERT_PARTS(result.isnormal(), "xrpl::root2(Number)", "result is normalized");
return result;
}