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Fix group_digits for negative integers (#3901)

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Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
This commit is contained in:
Vladislav Shchapov
2024-03-20 01:03:57 +05:00
committed by GitHub
parent 365c3fbd25
commit 6c7cc6a06f
2 changed files with 7 additions and 3 deletions
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7
include/fmt/format.h
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@ -4130,9 +4130,10 @@ template <typename T> struct formatter<group_digits_view<T>> : formatter<T> {
specs.width_ref, ctx); specs.width_ref, ctx);
detail::handle_dynamic_spec<detail::precision_checker>( detail::handle_dynamic_spec<detail::precision_checker>(
specs.precision, specs.precision_ref, ctx); specs.precision, specs.precision_ref, ctx);
return detail::write_int(ctx.out(), auto arg = detail::make_write_int_arg(t.value, specs.sign);
static_cast<detail::uint64_or_128_t<T>>(t.value), return detail::write_int(
0, specs, detail::digit_grouping<char>("\3", ",")); ctx.out(), static_cast<detail::uint64_or_128_t<T>>(arg.abs_value),
arg.prefix, specs, detail::digit_grouping<char>("\3", ","));
} }
}; };

3
test/format-test.cc
View File

@ -1837,6 +1837,9 @@ TEST(format_test, bytes) {
TEST(format_test, group_digits_view) { TEST(format_test, group_digits_view) {
EXPECT_EQ(fmt::format("{}", fmt::group_digits(10000000)), "10,000,000"); EXPECT_EQ(fmt::format("{}", fmt::group_digits(10000000)), "10,000,000");
EXPECT_EQ(fmt::format("{:8}", fmt::group_digits(1000)), " 1,000"); EXPECT_EQ(fmt::format("{:8}", fmt::group_digits(1000)), " 1,000");
EXPECT_EQ(fmt::format("{}", fmt::group_digits(-10000000)), "-10,000,000");
EXPECT_EQ(fmt::format("{:8}", fmt::group_digits(-1000)), " -1,000");
EXPECT_EQ(fmt::format("{:8}", fmt::group_digits(-100)), " -100");
} }
#ifdef __cpp_generic_lambdas #ifdef __cpp_generic_lambdas