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Increase ftos precision (#13141)

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This commit is contained in:
Jude Melton-Houghton
2023-01-12 14:12:31 -05:00
committed by GitHub
parent 956026bb6b
commit 5f2925c59c
2 changed files with 10 additions and 12 deletions
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8
src/util/string.h
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@@ -25,6 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <string>
#include <cstring>
#include <vector>
#include <limits>
#include <map>
#include <sstream>
#include <iomanip>
@@ -429,14 +430,11 @@ inline std::string itos(s32 i) { return std::to_string(i); }
/// Returns a string representing the decimal value of the 64-bit value \p i.
inline std::string i64tos(s64 i) { return std::to_string(i); }
// std::to_string uses the '%.6f' conversion, which is inconsistent with
// std::ostream::operator<<() and impractical too. ftos() uses the
// more generic and std::ostream::operator<<()-compatible '%G' format.
/// Returns a string representing the decimal value of the float value \p f.
/// Returns a string representing the exact decimal value of the float value \p f.
inline std::string ftos(float f)
{
std::ostringstream oss;
oss << f;
oss << std::setprecision(std::numeric_limits<float>::max_digits10) << f;
return oss.str();
}