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Replace JSON inf and nan with JS compliant Infinity and NaN

This commit is contained in:
Michael Tesch 2019-03-19 11:12:54 +01:00 committed by Dominic Hamon
parent 5acb0f05ed
commit fae8726690
1 changed files with 10 additions and 4 deletions
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14
src/json_reporter.cc
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@ -23,6 +23,7 @@
#include <string>
#include <tuple>
#include <vector>
#include <cmath>
#include "string_util.h"
#include "timers.h"
@ -53,10 +54,15 @@ std::string FormatKV(std::string const& key, double value) {
std::stringstream ss;
ss << '"' << key << "\": ";
const auto max_digits10 = std::numeric_limits<decltype(value)>::max_digits10;
const auto max_fractional_digits10 = max_digits10 - 1;
ss << std::scientific << std::setprecision(max_fractional_digits10) << value;
if (std::isnan(value))
ss << "NaN";
else if (std::isinf(value))
ss << (value < 0 ? "-" : "") << "Infinity";
else {
const auto max_digits10 = std::numeric_limits<decltype(value)>::max_digits10;
const auto max_fractional_digits10 = max_digits10 - 1;
ss << std::scientific << std::setprecision(max_fractional_digits10) << value;
}
return ss.str();
}