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Restore digits

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This commit is contained in:
Raúl Marín 2024-03-07 18:57:16 +01:00
parent cd9d9018e0
commit 38cbc2c6c4
1 changed files with 19 additions and 24 deletions
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43
base/base/itoa.cpp
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@ -34,42 +34,37 @@
template <typename T>
int digits10(T x)
inline int digits10(T x)
{
if (x < T(10ULL))
if (x < 10ULL)
return 1;
if (x < T(100ULL))
if (x < 100ULL)
return 2;
if constexpr (sizeof(T) == 1)
if (x < 1000ULL)
return 3;
else
if (x < 1000000000000ULL)
{
if (x < T(1000ULL))
return 3;
if (x < T(1000000000000ULL))
if (x < 100000000ULL)
{
if (x < T(100000000ULL))
if (x < 1000000ULL)
{
if (x < T(1000000ULL))
{
if (x < T(10000ULL))
return 4;
else
return 5 + (x >= T(100000ULL));
}
return 7 + (x >= T(10000000ULL));
if (x < 10000ULL)
return 4;
else
return 5 + (x >= 100000ULL);
}
if (x < T(10000000000ULL))
return 9 + (x >= T(1000000000ULL));
return 11 + (x >= T(100000000000ULL));
return 7 + (x >= 10000000ULL);
}
return 12 + digits10(x / T(1000000000000ULL));
if (x < 10000000000ULL)
return 9 + (x >= 1000000000ULL);
return 11 + (x >= 100000000000ULL);
}
return 12 + digits10(x / 1000000000000ULL);
}