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fix: fix serialization of inf/nan

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ToruNiina
2021-06-27 18:56:05 +09:00
parent f09bd5b035
commit 9d28afa012
1 changed files with 24 additions and 0 deletions
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24
toml/serializer.hpp
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@@ -2,6 +2,7 @@
// Distributed under the MIT License. // Distributed under the MIT License.
#ifndef TOML11_SERIALIZER_HPP #ifndef TOML11_SERIALIZER_HPP
#define TOML11_SERIALIZER_HPP #define TOML11_SERIALIZER_HPP
#include <cmath>
#include <cstdio> #include <cstdio>
#include <limits> #include <limits>
@@ -115,6 +116,29 @@ struct serializer
} }
std::string operator()(const floating_type f) const std::string operator()(const floating_type f) const
{ {
if(std::isnan(f))
{
if(std::signbit(f))
{
return std::string("-nan");
}
else
{
return std::string("nan");
}
}
else if(!std::isfinite(f))
{
if(std::signbit(f))
{
return std::string("-inf");
}
else
{
return std::string("inf");
}
}
const auto fmt = "%.*g"; const auto fmt = "%.*g";
const auto bsz = std::snprintf(nullptr, 0, fmt, this->float_prec_, f); const auto bsz = std::snprintf(nullptr, 0, fmt, this->float_prec_, f);
// +1 for null character(\0) // +1 for null character(\0)