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Improve std::complex formatter (#4050)

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Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
This commit is contained in:
Vladislav Shchapov
2024-07-05 05:24:01 +05:00
committed by GitHub
parent 232c6bc481
commit a96259701e
2 changed files with 78 additions and 20 deletions
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24
test/std-test.cc
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@ -66,10 +66,34 @@ TEST(std_test, thread_id) {
}
TEST(std_test, complex) {
using limits = std::numeric_limits<double>;
EXPECT_EQ(fmt::format("{}", std::complex<double>(1, limits::quiet_NaN())),
"(1+nan i)");
EXPECT_EQ(fmt::format("{}", std::complex<double>(1, -limits::infinity())),
"(1-inf i)");
EXPECT_EQ(fmt::format("{}", std::complex<int>(1, 2)), "(1+2i)");
EXPECT_EQ(fmt::format("{}", std::complex<double>(1, 2.2)), "(1+2.2i)");
EXPECT_EQ(fmt::format("{}", std::complex<double>(1, -2.2)), "(1-2.2i)");
EXPECT_EQ(fmt::format("{}", std::complex<double>(0, 2.2)), "2.2i");
EXPECT_EQ(fmt::format("{}", std::complex<double>(0, -2.2)), "-2.2i");
EXPECT_EQ(fmt::format("{:+}", std::complex<double>(0, 2.2)), "+2.2i");
EXPECT_EQ(fmt::format("{:+}", std::complex<double>(0, -2.2)), "-2.2i");
EXPECT_EQ(fmt::format("{:+}", std::complex<double>(1, -2.2)), "(+1-2.2i)");
EXPECT_EQ(fmt::format("{:+}", std::complex<double>(1, 2.2)), "(+1+2.2i)");
EXPECT_EQ(fmt::format("{: }", std::complex<double>(1, 2.2)), "( 1+2.2i)");
EXPECT_EQ(fmt::format("{: }", std::complex<double>(1, -2.2)), "( 1-2.2i)");
EXPECT_EQ(fmt::format("{:>20.2f}", std::complex<double>(1, 2.2)),
" (1.00+2.20i)");
EXPECT_EQ(fmt::format("{:<20.2f}", std::complex<double>(1, 2.2)),
"(1.00+2.20i) ");
EXPECT_EQ(fmt::format("{:<20.2f}", std::complex<double>(1, -2.2)),
"(1.00-2.20i) ");
EXPECT_EQ(fmt::format("{:<{}.{}f}", std::complex<double>(1, -2.2), 20, 2),
"(1.00-2.20i) ");
}
#ifdef __cpp_lib_source_location