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Convert uses of double-serialization to {En,De}codeDouble

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This commit is contained in:
Pieter Wuille
2021-05-18 12:36:53 -07:00
parent afd964d70b
commit fff1cae43a
2 changed files with 46 additions and 18 deletions
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20
src/test/fuzz/float.cpp
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@@ -7,10 +7,13 @@
#include <streams.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <util/serfloat.h>
#include <version.h>
#include <cassert>
#include <cstdint>
#include <cmath>
#include <limits>
FUZZ_TARGET(float)
{
@@ -19,12 +22,17 @@ FUZZ_TARGET(float)
{
const double d = fuzzed_data_provider.ConsumeFloatingPoint<double>();
(void)memusage::DynamicUsage(d);
assert(ser_uint64_to_double(ser_double_to_uint64(d)) == d);
CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
stream << d;
double d_deserialized;
stream >> d_deserialized;
assert(d == d_deserialized);
uint64_t encoded = EncodeDouble(d);
if constexpr (std::numeric_limits<double>::is_iec559) {
if (!std::isnan(d)) {
uint64_t encoded_in_memory;
std::copy((const unsigned char*)&d, (const unsigned char*)(&d + 1), (unsigned char*)&encoded_in_memory);
assert(encoded_in_memory == encoded);
}
}
double d_deserialized = DecodeDouble(encoded);
assert(std::isnan(d) == std::isnan(d_deserialized));
assert(std::isnan(d) || d == d_deserialized);
}
}