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Don't emit decimal point if there are no trailing digits (#1210)

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Victor Zverovich
2019-06-30 08:44:59 -07:00
parent bd3fd3bfda
commit ab0ba8a9d0
2 changed files with 6 additions and 3 deletions
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8
include/fmt/format.h
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@@ -1096,14 +1096,16 @@ It grisu_prettify(const char* digits, int size, int exp, It it,
} else {
// 1234e-6 -> 0.001234
*it++ = static_cast<Char>('0');
*it++ = static_cast<Char>('.');
int num_zeros = -full_exp;
if (params.num_digits >= 0 && params.num_digits < num_zeros)
num_zeros = params.num_digits;
it = std::fill_n(it, num_zeros, static_cast<Char>('0'));
if (!params.trailing_zeros)
while (size > 0 && digits[size - 1] == '0') --size;
it = copy_str<Char>(digits, digits + size, it);
if (num_zeros != 0 || size != 0) {
*it++ = static_cast<Char>('.');
it = std::fill_n(it, num_zeros, static_cast<Char>('0'));
it = copy_str<Char>(digits, digits + size, it);
}
}
return it;
}