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fmt::to_udec(), fmt::to_sdec()

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This commit is contained in:
Nekotekina 2015-01-19 16:31:02 +03:00
parent 0d28f378a7
commit 3428499492
4 changed files with 66 additions and 21 deletions
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46
Utilities/StrFmt.cpp
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@ -11,7 +11,7 @@ std::string u128::to_xyzw() const
return fmt::Format("x: %g y: %g z: %g w: %g", _f[3], _f[2], _f[1], _f[0]);
}
std::string fmt::detail::to_hex(u64 value, size_t count)
std::string fmt::to_hex(u64 value, size_t count)
{
assert(count - 1 < 16);
count = std::max<u64>(count, 16 - cntlz64(value) / 4);
@ -26,6 +26,50 @@ std::string fmt::detail::to_hex(u64 value, size_t count)
return std::string(res, count);
}
std::string fmt::to_udec(u64 value)
{
char res[20] = {};
size_t first = sizeof(res);
if (!value)
{
res[--first] = '0';
}
for (; value; value /= 10)
{
res[--first] = '0' + (value % 10);
}
return std::string(&res[first], sizeof(res) - first);
}
std::string fmt::to_sdec(s64 svalue)
{
const bool sign = svalue < 0;
u64 value = sign ? -svalue : svalue;
char res[20] = {};
size_t first = sizeof(res);
if (!value)
{
res[--first] = '0';
}
for (; value; value /= 10)
{
res[--first] = '0' + (value % 10);
}
if (sign)
{
res[--first] = '-';
}
return std::string(&res[first], sizeof(res) - first);
}
size_t fmt::detail::get_fmt_start(const char* fmt, size_t len)
{
for (size_t i = 0; i < len; i++)