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Added an if expression for the individual case described in fmtlib/fmt/issues/1917.

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Adjusts the length of the number to match the precision for the exponential number format.
This commit is contained in:
andargunov 2020-10-06 17:19:54 +03:00
parent 5bcd642bcc
commit 7eb5e3f583
1 changed files with 9 additions and 0 deletions
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9
include/fmt/format-inl.h
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@ -2468,6 +2468,15 @@ int format_float(T value, int precision, float_specs specs, buffer<char>& buf) {
} else { } else {
exp -= cached_exp10; exp -= cached_exp10;
buf.try_resize(to_unsigned(handler.size)); buf.try_resize(to_unsigned(handler.size));
if ((specs.format == detail::float_format::exp) && (buf.size() > precision)) {
if (exp < 0) {
exp += (buf.size() - precision);
}
else {
exp -= (buf.size() - precision);
}
buf.try_resize(to_unsigned(precision));
}
} }
if (!fixed && !specs.showpoint) { if (!fixed && !specs.showpoint) {
// Remove trailing zeros. // Remove trailing zeros.