diff options
Diffstat (limited to 'absl/numeric')
| -rw-r--r-- | absl/numeric/BUILD.bazel | 1 | ||||
| -rw-r--r-- | absl/numeric/int128.cc | 5 | ||||
| -rw-r--r-- | absl/numeric/int128_test.cc | 73 | ||||
| -rw-r--r-- | absl/numeric/int128_test_unsigned_ostream_cases.inc | 880 |
4 files changed, 889 insertions, 70 deletions
diff --git a/absl/numeric/BUILD.bazel b/absl/numeric/BUILD.bazel index c118d013c958..26d04774a23c 100644 --- a/absl/numeric/BUILD.bazel +++ b/absl/numeric/BUILD.bazel @@ -28,6 +28,7 @@ cc_test( size = "small", srcs = [ "int128_test.cc", + "int128_test_unsigned_ostream_cases.inc", ], copts = ABSL_TEST_COPTS, deps = [ diff --git a/absl/numeric/int128.cc b/absl/numeric/int128.cc index 5081def5e1b0..73a8f737af9f 100644 --- a/absl/numeric/int128.cc +++ b/absl/numeric/int128.cc @@ -192,9 +192,8 @@ std::ostream& operator<<(std::ostream& o, const uint128& b) { rep.append(width - rep.size(), o.fill()); } else if (adjustfield == std::ios::internal && (flags & std::ios::showbase) && - (flags & std::ios::basefield) != std::ios::dec) { - size_t base_size = (flags & std::ios::basefield) == std::ios::hex ? 2 : 1; - rep.insert(base_size, width - rep.size(), o.fill()); + (flags & std::ios::basefield) == std::ios::hex && b != 0) { + rep.insert(2, width - rep.size(), o.fill()); } else { rep.insert(0, width - rep.size(), o.fill()); } diff --git a/absl/numeric/int128_test.cc b/absl/numeric/int128_test.cc index 46d5546f9a3e..ce44cd4b93c1 100644 --- a/absl/numeric/int128_test.cc +++ b/absl/numeric/int128_test.cc @@ -428,79 +428,18 @@ TEST(Uint128, ConstexprTest) { } TEST(Uint128, OStream) { - struct { + struct StreamCase { absl::uint128 val; std::ios_base::fmtflags flags; std::streamsize width; char fill; const char* rep; - } cases[] = { - // zero with different bases - {absl::uint128(0), std::ios::dec, 0, '_', "0"}, - {absl::uint128(0), std::ios::oct, 0, '_', "0"}, - {absl::uint128(0), std::ios::hex, 0, '_', "0"}, - // crossover between lo_ and hi_ - {absl::MakeUint128(0, -1), std::ios::dec, 0, '_', "18446744073709551615"}, - {absl::MakeUint128(0, -1), std::ios::oct, 0, '_', - "1777777777777777777777"}, - {absl::MakeUint128(0, -1), std::ios::hex, 0, '_', "ffffffffffffffff"}, - {absl::MakeUint128(1, 0), std::ios::dec, 0, '_', "18446744073709551616"}, - {absl::MakeUint128(1, 0), std::ios::oct, 0, '_', - "2000000000000000000000"}, - {absl::MakeUint128(1, 0), std::ios::hex, 0, '_', "10000000000000000"}, - // just the top bit - {absl::MakeUint128(0x8000000000000000, 0), std::ios::dec, 0, '_', - "170141183460469231731687303715884105728"}, - {absl::MakeUint128(0x8000000000000000, 0), std::ios::oct, 0, '_', - "2000000000000000000000000000000000000000000"}, - {absl::MakeUint128(0x8000000000000000, 0), std::ios::hex, 0, '_', - "80000000000000000000000000000000"}, - // maximum absl::uint128 value - {absl::MakeUint128(-1, -1), std::ios::dec, 0, '_', - "340282366920938463463374607431768211455"}, - {absl::MakeUint128(-1, -1), std::ios::oct, 0, '_', - "3777777777777777777777777777777777777777777"}, - {absl::MakeUint128(-1, -1), std::ios::hex, 0, '_', - "ffffffffffffffffffffffffffffffff"}, - // uppercase - {absl::MakeUint128(-1, -1), std::ios::hex | std::ios::uppercase, 0, '_', - "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"}, - // showbase - {absl::uint128(1), std::ios::dec | std::ios::showbase, 0, '_', "1"}, - {absl::uint128(1), std::ios::oct | std::ios::showbase, 0, '_', "01"}, - {absl::uint128(1), std::ios::hex | std::ios::showbase, 0, '_', "0x1"}, - // showbase does nothing on zero - {absl::uint128(0), std::ios::dec | std::ios::showbase, 0, '_', "0"}, - {absl::uint128(0), std::ios::oct | std::ios::showbase, 0, '_', "0"}, - {absl::uint128(0), std::ios::hex | std::ios::showbase, 0, '_', "0"}, - // showpos does nothing on unsigned types - {absl::uint128(1), std::ios::dec | std::ios::showpos, 0, '_', "1"}, - // right adjustment - {absl::uint128(9), std::ios::dec, 6, '_', "_____9"}, - {absl::uint128(12345), std::ios::dec, 6, '_', "_12345"}, - {absl::uint128(31), std::ios::hex | std::ios::showbase, 6, '_', "__0x1f"}, - {absl::uint128(7), std::ios::oct | std::ios::showbase, 6, '_', "____07"}, - // left adjustment - {absl::uint128(9), std::ios::dec | std::ios::left, 6, '_', "9_____"}, - {absl::uint128(12345), std::ios::dec | std::ios::left, 6, '_', "12345_"}, - {absl::uint128(31), std::ios::hex | std::ios::left | std::ios::showbase, - 6, '_', "0x1f__"}, - {absl::uint128(7), std::ios::oct | std::ios::left | std::ios::showbase, 6, - '_', "07____"}, - // internal adjustment - {absl::uint128(123), - std::ios::dec | std::ios::internal | std::ios::showbase, 6, '_', - "___123"}, - {absl::uint128(31), - std::ios::hex | std::ios::internal | std::ios::showbase, 6, '_', - "0x__1f"}, - {absl::uint128(7), - std::ios::oct | std::ios::internal | std::ios::showbase, 6, '_', - "0____7"}, - {absl::uint128(34), std::ios::hex | std::ios::internal, 6, '_', "____22"}, - {absl::uint128(9), std::ios::oct | std::ios::internal, 6, '_', "____11"}, }; - for (const auto& test_case : cases) { + + std::vector<StreamCase> cases = { +#include "absl/numeric/int128_test_unsigned_ostream_cases.inc" + }; + for (const StreamCase& test_case : cases) { std::ostringstream os; os.flags(test_case.flags); os.width(test_case.width); diff --git a/absl/numeric/int128_test_unsigned_ostream_cases.inc b/absl/numeric/int128_test_unsigned_ostream_cases.inc new file mode 100644 index 000000000000..7d2fc77f1a91 --- /dev/null +++ b/absl/numeric/int128_test_unsigned_ostream_cases.inc @@ -0,0 +1,880 @@ +// A small set of cases created manually for values greater than 2^64. + +{absl::MakeUint128(1, 0), std::ios::dec, 0, '_', "18446744073709551616"}, +{absl::MakeUint128(1, 0), std::ios::oct, 0, '_', "2000000000000000000000"}, +{absl::MakeUint128(1, 0), std::ios::hex, 0, '_', "10000000000000000"}, +{absl::MakeUint128(0x8000000000000000, 0), std::ios::dec, 0, '_', "170141183460469231731687303715884105728"}, +{absl::MakeUint128(0x8000000000000000, 0), std::ios::oct, 0, '_', "2000000000000000000000000000000000000000000"}, +{absl::MakeUint128(0x8000000000000000, 0), std::ios::hex, 0, '_', "80000000000000000000000000000000"}, +{absl::MakeUint128(-1, -1), std::ios::dec, 0, '_', "340282366920938463463374607431768211455"}, +{absl::MakeUint128(-1, -1), std::ios::oct, 0, '_', "3777777777777777777777777777777777777777777"}, +{absl::MakeUint128(-1, -1), std::ios::hex, 0, '_', "ffffffffffffffffffffffffffffffff"}, + +// An exhaustive set of formatting cases generated with select values that fit +// into a uint64_t so they can be compared to what was output by the standard +// implementation. + +{0, std::ios::dec | std::ios::left, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::dec | std::ios::internal, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::left, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::showbase, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::oct | std::ios::internal, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::oct | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::left, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::showbase, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::left | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "0_________"}, +{0, std::ios::hex | std::ios::internal, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase, 10, '_', "_________0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 0, '_', "0"}, +{0, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "_________0"}, +{8, std::ios::dec | std::ios::left, 0, '_', "8"}, +{8, std::ios::dec | std::ios::left, 10, '_', "8_________"}, +{8, std::ios::dec | std::ios::left | std::ios::showpos, 0, '_', "8"}, +{8, std::ios::dec | std::ios::left | std::ios::showpos, 10, '_', "8_________"}, +{8, std::ios::dec | std::ios::left | std::ios::showbase, 0, '_', "8"}, +{8, std::ios::dec | std::ios::left | std::ios::showbase, 10, '_', "8_________"}, +{8, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 0, '_', "8"}, +{8, std::ios::dec | std::ios::left | std::ios::showbase | std::ios::showpos, 10, '_', "8_________"}, +{8, std::ios::dec | std::ios::left | std::ios::uppercase, 0, '_', "8"}, +{8, std::ios::dec | std::ios::left | std::ios::uppercase, 10, '_', 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std::ios::dec | std::ios::internal | std::ios::uppercase | std::ios::showbase | std::ios::showpos, 10, '_', "________31"}, +{31, std::ios::dec | std::ios::right, 0, '_', "31"}, +{31, std::ios::dec | std::ios::right, 10, '_', "________31"}, +{31, std::ios::dec | std::ios::right | std::ios::showpos, 0, '_', "31"}, +{31, std::ios::dec | std::ios::right | std::ios::showpos, 10, '_', "________31"}, +{31, std::ios::dec | std::ios::right | std::ios::showbase, 0, '_', "31"}, +{31, std::ios::dec | std::ios::right | std::ios::showbase, 10, '_', "________31"}, +{31, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "31"}, +{31, std::ios::dec | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "________31"}, +{31, std::ios::dec | std::ios::right | std::ios::uppercase, 0, '_', "31"}, +{31, std::ios::dec | std::ios::right | std::ios::uppercase, 10, '_', "________31"}, +{31, std::ios::dec | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, 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std::ios::showpos, 0, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showpos, 10, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase, 0, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase, 10, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 0, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::showbase | std::ios::showpos, 10, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase, 0, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase, 10, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::internal | std::ios::uppercase | std::ios::showpos, 0, '_', "8000000000000000"}, 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std::ios::hex | std::ios::right | std::ios::showpos, 10, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase, 0, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase, 10, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 0, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::showbase | std::ios::showpos, 10, '_', "0x8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase, 0, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase, 10, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 0, '_', "8000000000000000"}, +{0x8000000000000000, std::ios::hex | std::ios::right | std::ios::uppercase | std::ios::showpos, 10, '_', 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