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Encode infinity and NaN as float for MsgPack and CBOR (#4802)

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* 🚸 encode infinity and NaN as float for MsgPack and CBOR

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

* 🚨 suppress warnings

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

---------

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2025-06-01 18:50:14 +02:00
committed by GitHub
parent 5f77df4e22
commit b19f058465
3 changed files with 73 additions and 6 deletions
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6
single_include/nlohmann/json.hpp
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@ -17591,9 +17591,9 @@ class binary_writer
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wfloat-equal"
#endif
if (static_cast<double>(n) >= static_cast<double>(std::numeric_limits<float>::lowest()) &&
static_cast<double>(n) <= static_cast<double>((std::numeric_limits<float>::max)()) &&
static_cast<double>(static_cast<float>(n)) == static_cast<double>(n))
if (!std::isfinite(n) || ((static_cast<double>(n) >= static_cast<double>(std::numeric_limits<float>::lowest()) &&
static_cast<double>(n) <= static_cast<double>((std::numeric_limits<float>::max)()) &&
static_cast<double>(static_cast<float>(n)) == static_cast<double>(n))))
{
oa->write_character(format == detail::input_format_t::cbor
? get_cbor_float_prefix(static_cast<float>(n))