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Ignore zero-padding for non-finite floating points (#2310)

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* Ignore zero-padding for non-finite floating points

* keep width for non-finite formatting with 0-padding

* clang-format

* preserve alignment

* align code-style
This commit is contained in:
Liedtke
2021-05-27 23:13:05 +02:00
committed by GitHub
parent 7612f18dc8
commit a70a4ae053
3 changed files with 19 additions and 4 deletions
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2
include/fmt/core.h
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@@ -1947,7 +1947,7 @@ template <typename Char> class specs_setter {
FMT_CONSTEXPR void on_localized() { specs_.localized = true; }
FMT_CONSTEXPR void on_zero() {
specs_.align = align::numeric;
if (specs_.align == align::none) specs_.align = align::numeric;
specs_.fill[0] = Char('0');
}

6
include/fmt/format.h
View File

@@ -1588,13 +1588,17 @@ FMT_CONSTEXPR OutputIt write(OutputIt out, const Char* s,
template <typename Char, typename OutputIt>
OutputIt write_nonfinite(OutputIt out, bool isinf,
const basic_format_specs<Char>& specs,
basic_format_specs<Char> specs,
const float_specs& fspecs) {
auto str =
isinf ? (fspecs.upper ? "INF" : "inf") : (fspecs.upper ? "NAN" : "nan");
constexpr size_t str_size = 3;
auto sign = fspecs.sign;
auto size = str_size + (sign ? 1 : 0);
// Replace '0'-padding with space for non-finite values.
const bool is_zero_fill =
specs.fill.size() == 1 && *specs.fill.data() == static_cast<Char>('0');
if (is_zero_fill) specs.fill[0] = static_cast<Char>(' ');
return write_padded(out, specs, size, [=](reserve_iterator<OutputIt> it) {
if (sign) *it++ = static_cast<Char>(data::signs[sign]);
return copy_str<Char>(str, str + str_size, it);