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authorGravatar Abseil Team <absl-team@google.com>2019-09-09 08:20:10 -0700
committerGravatar Shaindel Schwartz <shaindel@google.com>2019-09-09 12:41:04 -0400
commit97c1664b4bbab5f78fac2b151ab02656268fb34b (patch)
tree738a650a90ee00d11eb7b0a76a8631748319ac96
parent325fd7b042ff4ec34f7dd32e602cd81ad0e24b22 (diff)
Export of internal Abseil changes
-- 167cd2647144583746311129b0cc98a89a9897e1 by Andy Soffer <asoffer@google.com>: Internal Changes PiperOrigin-RevId: 268000987 -- ab44fea7dfdaf763c69609a08ddfac22480ce520 by Derek Mauro <dmauro@google.com>: Fix flags Cmake tests on Windows PiperOrigin-RevId: 267859442 -- d7ec9f7611370b01bc9a5aed7e18460df2a15429 by Abseil Team <absl-team@google.com>: Fix undefined behavior in symbolize_elf.inc PiperOrigin-RevId: 267684904 -- e7c5f8e472a91ed99bdf4876942f2bda5751aa6c by Abseil Team <absl-team@google.com>: Turn off ABSL_HAS_ALARM on Fuchsia. PiperOrigin-RevId: 267666090 -- b7d25d5c71a49e697a8bf6440ed30f2e3f036420 by Chris Kennelly <ckennelly@google.com>: Mark once initialization function as no inline. We expect this code to run infrequently. PiperOrigin-RevId: 267649713 -- dc2a5e5f1e39a03fff837d34a319033fde55d9ba by Derek Mauro <dmauro@google.com>: Fix the MSVC CMake random build PiperOrigin-RevId: 267624074 -- ba2751b67fa17d1b6c53e5ba79f81a5371e4a03a by Abseil Team <absl-team@google.com>: Move "internal/flag.*" files to the "internal" build target. PiperOrigin-RevId: 267588996 -- 05b985a33eec4f8acff1809ad9218a1e22220f34 by Abseil Team <absl-team@google.com>: Move "internal/flag.*" files to the "internal" build target. PiperOrigin-RevId: 267580412 GitOrigin-RevId: 167cd2647144583746311129b0cc98a89a9897e1 Change-Id: Ibd334f46a5671c7c1d3fcf5354029e2fbb7ba91f
-rw-r--r--absl/base/call_once.h1
-rw-r--r--absl/base/config.h2
-rw-r--r--absl/debugging/symbolize_elf.inc13
-rw-r--r--absl/flags/BUILD.bazel2
-rw-r--r--absl/flags/CMakeLists.txt2
-rw-r--r--absl/flags/flag_test.cc92
-rw-r--r--absl/flags/internal/commandlineflag_test.cc34
-rw-r--r--absl/flags/internal/usage_test.cc4
-rw-r--r--absl/random/CMakeLists.txt2
-rw-r--r--absl/random/beta_distribution.h2
-rw-r--r--absl/random/distribution_format_traits.h39
-rw-r--r--absl/random/internal/BUILD.bazel9
-rw-r--r--absl/random/internal/distributions.h12
-rw-r--r--absl/random/internal/uniform_helper.h2
14 files changed, 154 insertions, 62 deletions
diff --git a/absl/base/call_once.h b/absl/base/call_once.h
index e7fc2300..4aa6360c 100644
--- a/absl/base/call_once.h
+++ b/absl/base/call_once.h
@@ -142,6 +142,7 @@ enum {
};
template <typename Callable, typename... Args>
+ABSL_ATTRIBUTE_NOINLINE
void CallOnceImpl(std::atomic<uint32_t>* control,
base_internal::SchedulingMode scheduling_mode, Callable&& fn,
Args&&... args) {
diff --git a/absl/base/config.h b/absl/base/config.h
index 90d98214..1cb69b0f 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -336,6 +336,8 @@
// feature tests for Microsoft's library
#elif defined(__EMSCRIPTEN__)
// emscripten doesn't support signals
+#elif defined(__Fuchsia__)
+// Signals don't exist on fuchsia.
#elif defined(__native_client__)
#else
// other standard libraries
diff --git a/absl/debugging/symbolize_elf.inc b/absl/debugging/symbolize_elf.inc
index e7305213..14f0c972 100644
--- a/absl/debugging/symbolize_elf.inc
+++ b/absl/debugging/symbolize_elf.inc
@@ -624,6 +624,13 @@ static bool InSection(const void *address, const ElfW(Shdr) * section) {
return start <= address && address < (start + size);
}
+static const char *ComputeOffset(const char *base, ptrdiff_t offset) {
+ // Note: cast to uintptr_t to avoid undefined behavior when base evaluates to
+ // zero and offset is non-zero.
+ return reinterpret_cast<const char *>(
+ reinterpret_cast<uintptr_t>(base) + offset);
+}
+
// Read a symbol table and look for the symbol containing the
// pc. Iterate over symbols in a symbol table and look for the symbol
// containing "pc". If the symbol is found, and its name fits in
@@ -676,7 +683,8 @@ static ABSL_ATTRIBUTE_NOINLINE FindSymbolResult FindSymbol(
// We keep the original address for opd redirection below.
const char *const original_start_address =
reinterpret_cast<const char *>(symbol.st_value);
- const char *start_address = original_start_address + relocation;
+ const char *start_address =
+ ComputeOffset(original_start_address, relocation);
if (deref_function_descriptor_pointer &&
InSection(original_start_address, opd)) {
@@ -688,8 +696,7 @@ static ABSL_ATTRIBUTE_NOINLINE FindSymbolResult FindSymbol(
// If pc is inside the .opd section, it points to a function descriptor.
const size_t size = pc_in_opd ? kFunctionDescriptorSize : symbol.st_size;
- const void *const end_address =
- reinterpret_cast<const char *>(start_address) + size;
+ const void *const end_address = ComputeOffset(start_address, size);
if (symbol.st_value != 0 && // Skip null value symbols.
symbol.st_shndx != 0 && // Skip undefined symbols.
#ifdef STT_TLS
diff --git a/absl/flags/BUILD.bazel b/absl/flags/BUILD.bazel
index 4ed6585b..9e923ffb 100644
--- a/absl/flags/BUILD.bazel
+++ b/absl/flags/BUILD.bazel
@@ -231,6 +231,7 @@ cc_test(
copts = ABSL_TEST_COPTS,
linkopts = ABSL_DEFAULT_LINKOPTS,
deps = [
+ ":config",
":flag",
":handle",
":registry",
@@ -264,6 +265,7 @@ cc_test(
copts = ABSL_TEST_COPTS,
linkopts = ABSL_DEFAULT_LINKOPTS,
deps = [
+ ":config",
":flag",
"//absl/strings",
"@com_google_googletest//:gtest_main",
diff --git a/absl/flags/CMakeLists.txt b/absl/flags/CMakeLists.txt
index d9084a9c..3eac8f0a 100644
--- a/absl/flags/CMakeLists.txt
+++ b/absl/flags/CMakeLists.txt
@@ -213,6 +213,7 @@ absl_cc_test(
${ABSL_TEST_COPTS}
DEPS
absl::flags
+ absl::flags_config
absl::flags_handle
absl::flags_registry
absl::memory
@@ -242,6 +243,7 @@ absl_cc_test(
${ABSL_TEST_COPTS}
DEPS
absl::flags
+ absl::flags_config
absl::strings
gtest_main
)
diff --git a/absl/flags/flag_test.cc b/absl/flags/flag_test.cc
index 1bcd7e96..a652042c 100644
--- a/absl/flags/flag_test.cc
+++ b/absl/flags/flag_test.cc
@@ -15,7 +15,11 @@
#include "absl/flags/flag.h"
+#include <algorithm>
+#include <string>
+
#include "gtest/gtest.h"
+#include "absl/flags/usage_config.h"
#include "absl/strings/match.h"
#include "absl/strings/numbers.h"
#include "absl/strings/str_cat.h"
@@ -63,7 +67,27 @@ struct UDT {
bool AbslParseFlag(absl::string_view, UDT*, std::string*) { return true; }
std::string AbslUnparseFlag(const UDT&) { return ""; }
-TEST(FlagTest, TestConstruction) {
+class FlagTest : public testing::Test {
+ protected:
+ static void SetUpTestSuite() {
+ // Install a function to normalize filenames before this test is run.
+ absl::FlagsUsageConfig default_config;
+ default_config.normalize_filename = &FlagTest::NormalizeFileName;
+ absl::SetFlagsUsageConfig(default_config);
+ }
+
+ private:
+ static std::string NormalizeFileName(absl::string_view fname) {
+#ifdef _WIN32
+ std::string normalized(fname);
+ std::replace(normalized.begin(), normalized.end(), '\\', '/');
+ fname = normalized;
+#endif
+ return std::string(fname);
+ }
+};
+
+TEST_F(FlagTest, TestConstruction) {
TestConstructionFor<bool>();
TestConstructionFor<int16_t>();
TestConstructionFor<uint16_t>();
@@ -98,7 +122,7 @@ namespace {
#if !ABSL_FLAGS_STRIP_NAMES
-TEST(FlagTest, TestFlagDeclaration) {
+TEST_F(FlagTest, TestFlagDeclaration) {
// test that we can access flag objects.
EXPECT_EQ(FLAGS_test_flag_01.Name(), "test_flag_01");
EXPECT_EQ(FLAGS_test_flag_02.Name(), "test_flag_02");
@@ -133,69 +157,69 @@ ABSL_FLAG(std::string, test_flag_11, "", "test flag 11");
namespace {
#if !ABSL_FLAGS_STRIP_NAMES
-TEST(FlagTest, TestFlagDefinition) {
+TEST_F(FlagTest, TestFlagDefinition) {
absl::string_view expected_file_name = "absl/flags/flag_test.cc";
EXPECT_EQ(FLAGS_test_flag_01.Name(), "test_flag_01");
EXPECT_EQ(FLAGS_test_flag_01.Help(), "test flag 01");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_01.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_01.Filename(), expected_file_name))
+ << FLAGS_test_flag_01.Filename();
EXPECT_EQ(FLAGS_test_flag_02.Name(), "test_flag_02");
EXPECT_EQ(FLAGS_test_flag_02.Help(), "test flag 02");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_02.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_02.Filename(), expected_file_name))
+ << FLAGS_test_flag_02.Filename();
EXPECT_EQ(FLAGS_test_flag_03.Name(), "test_flag_03");
EXPECT_EQ(FLAGS_test_flag_03.Help(), "test flag 03");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_03.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_03.Filename(), expected_file_name))
+ << FLAGS_test_flag_03.Filename();
EXPECT_EQ(FLAGS_test_flag_04.Name(), "test_flag_04");
EXPECT_EQ(FLAGS_test_flag_04.Help(), "test flag 04");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_04.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_04.Filename(), expected_file_name))
+ << FLAGS_test_flag_04.Filename();
EXPECT_EQ(FLAGS_test_flag_05.Name(), "test_flag_05");
EXPECT_EQ(FLAGS_test_flag_05.Help(), "test flag 05");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_05.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_05.Filename(), expected_file_name))
+ << FLAGS_test_flag_05.Filename();
EXPECT_EQ(FLAGS_test_flag_06.Name(), "test_flag_06");
EXPECT_EQ(FLAGS_test_flag_06.Help(), "test flag 06");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_06.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_06.Filename(), expected_file_name))
+ << FLAGS_test_flag_06.Filename();
EXPECT_EQ(FLAGS_test_flag_07.Name(), "test_flag_07");
EXPECT_EQ(FLAGS_test_flag_07.Help(), "test flag 07");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_07.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_07.Filename(), expected_file_name))
+ << FLAGS_test_flag_07.Filename();
EXPECT_EQ(FLAGS_test_flag_08.Name(), "test_flag_08");
EXPECT_EQ(FLAGS_test_flag_08.Help(), "test flag 08");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_08.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_08.Filename(), expected_file_name))
+ << FLAGS_test_flag_08.Filename();
EXPECT_EQ(FLAGS_test_flag_09.Name(), "test_flag_09");
EXPECT_EQ(FLAGS_test_flag_09.Help(), "test flag 09");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_09.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_09.Filename(), expected_file_name))
+ << FLAGS_test_flag_09.Filename();
EXPECT_EQ(FLAGS_test_flag_10.Name(), "test_flag_10");
EXPECT_EQ(FLAGS_test_flag_10.Help(), "test flag 10");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_10.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_10.Filename(), expected_file_name))
+ << FLAGS_test_flag_10.Filename();
EXPECT_EQ(FLAGS_test_flag_11.Name(), "test_flag_11");
EXPECT_EQ(FLAGS_test_flag_11.Help(), "test flag 11");
- EXPECT_TRUE(
- absl::EndsWith(FLAGS_test_flag_11.Filename(), expected_file_name));
+ EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_11.Filename(), expected_file_name))
+ << FLAGS_test_flag_11.Filename();
}
#endif // !ABSL_FLAGS_STRIP_NAMES
// --------------------------------------------------------------------
-TEST(FlagTest, TestDefault) {
+TEST_F(FlagTest, TestDefault) {
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_01), true);
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_02), 1234);
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_03), -34);
@@ -211,7 +235,7 @@ TEST(FlagTest, TestDefault) {
// --------------------------------------------------------------------
-TEST(FlagTest, TestGetSet) {
+TEST_F(FlagTest, TestGetSet) {
absl::SetFlag(&FLAGS_test_flag_01, false);
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_01), false);
@@ -258,7 +282,7 @@ ABSL_FLAG(std::string, test_flag_13, absl::StrCat("AAA", "BBB"),
namespace {
-TEST(FlagTest, TestNonConstexprDefault) {
+TEST_F(FlagTest, TestNonConstexprDefault) {
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_12), 1);
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_13), "AAABBB");
}
@@ -272,7 +296,7 @@ ABSL_FLAG(bool, test_flag_14, true, absl::StrCat("test ", "flag ", "14"));
namespace {
#if !ABSL_FLAGS_STRIP_HELP
-TEST(FlagTest, TestNonConstexprHelp) {
+TEST_F(FlagTest, TestNonConstexprHelp) {
EXPECT_EQ(FLAGS_test_flag_14.Help(), "test flag 14");
}
#endif //! ABSL_FLAGS_STRIP_HELP
@@ -296,7 +320,7 @@ namespace {
void TestFlagCB() { cb_test_value = absl::GetFlag(FLAGS_test_flag_with_cb); }
// Tests side-effects of callback invocation.
-TEST(FlagTest, CallbackInvocation) {
+TEST_F(FlagTest, CallbackInvocation) {
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_with_cb), 100);
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_with_lambda_cb), 200);
EXPECT_EQ(cb_test_value, 300);
@@ -343,7 +367,7 @@ ABSL_FLAG(CustomUDT, test_flag_15, CustomUDT(), "test flag 15");
namespace {
-TEST(FlagTest, TestCustomUDT) {
+TEST_F(FlagTest, TestCustomUDT) {
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_15), CustomUDT(1, 1));
absl::SetFlag(&FLAGS_test_flag_15, CustomUDT(2, 3));
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_15), CustomUDT(2, 3));
@@ -409,7 +433,7 @@ ABSL_FLAG(ConversionTestVal, test_flag_16,
namespace {
-TEST(FlagTest, CanSetViaImplicitConversion) {
+TEST_F(FlagTest, CanSetViaImplicitConversion) {
EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_16).a, 10);
absl::SetFlag(&FLAGS_test_flag_16,
ConversionTestVal::ViaImplicitConv::kEleven);
@@ -447,7 +471,7 @@ ABSL_FLAG(NonDfltConstructible, ndc_flag2, 0,
namespace {
-TEST(FlagTest, TestNonDefaultConstructibleType) {
+TEST_F(FlagTest, TestNonDefaultConstructibleType) {
EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag1).value, '1' + 100);
EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag2).value, 0);
@@ -468,7 +492,7 @@ ABSL_RETIRED_FLAG(std::string, old_str_flag, "", absl::StrCat("old ", "descr"));
namespace {
-TEST(FlagTest, TestRetiredFlagRegistration) {
+TEST_F(FlagTest, TestRetiredFlagRegistration) {
bool is_bool = false;
EXPECT_TRUE(flags::IsRetiredFlag("old_bool_flag", &is_bool));
EXPECT_TRUE(is_bool);
diff --git a/absl/flags/internal/commandlineflag_test.cc b/absl/flags/internal/commandlineflag_test.cc
index f0d57adb..5a0c271e 100644
--- a/absl/flags/internal/commandlineflag_test.cc
+++ b/absl/flags/internal/commandlineflag_test.cc
@@ -15,9 +15,13 @@
#include "absl/flags/internal/commandlineflag.h"
+#include <algorithm>
+#include <string>
+
#include "gtest/gtest.h"
#include "absl/flags/flag.h"
#include "absl/flags/internal/registry.h"
+#include "absl/flags/usage_config.h"
#include "absl/memory/memory.h"
#include "absl/strings/match.h"
#include "absl/strings/str_cat.h"
@@ -33,10 +37,26 @@ namespace flags = absl::flags_internal;
class CommandLineFlagTest : public testing::Test {
protected:
+ static void SetUpTestSuite() {
+ // Install a function to normalize filenames before this test is run.
+ absl::FlagsUsageConfig default_config;
+ default_config.normalize_filename = &CommandLineFlagTest::NormalizeFileName;
+ absl::SetFlagsUsageConfig(default_config);
+ }
+
void SetUp() override { flag_saver_ = absl::make_unique<flags::FlagSaver>(); }
void TearDown() override { flag_saver_.reset(); }
private:
+ static std::string NormalizeFileName(absl::string_view fname) {
+#ifdef _WIN32
+ std::string normalized(fname);
+ std::replace(normalized.begin(), normalized.end(), '\\', '/');
+ fname = normalized;
+#endif
+ return std::string(fname);
+ }
+
std::unique_ptr<flags::FlagSaver> flag_saver_;
};
@@ -49,9 +69,10 @@ TEST_F(CommandLineFlagTest, TestAttributesAccessMethods) {
EXPECT_EQ(flag_01->Typename(), "");
EXPECT_TRUE(!flag_01->IsRetired());
EXPECT_TRUE(flag_01->IsOfType<int>());
- EXPECT_TRUE(absl::EndsWith(
- flag_01->Filename(),
- "absl/flags/internal/commandlineflag_test.cc"));
+ EXPECT_TRUE(
+ absl::EndsWith(flag_01->Filename(),
+ "absl/flags/internal/commandlineflag_test.cc"))
+ << flag_01->Filename();
auto* flag_02 = flags::FindCommandLineFlag("string_flag");
@@ -61,9 +82,10 @@ TEST_F(CommandLineFlagTest, TestAttributesAccessMethods) {
EXPECT_EQ(flag_02->Typename(), "");
EXPECT_TRUE(!flag_02->IsRetired());
EXPECT_TRUE(flag_02->IsOfType<std::string>());
- EXPECT_TRUE(absl::EndsWith(
- flag_02->Filename(),
- "absl/flags/internal/commandlineflag_test.cc"));
+ EXPECT_TRUE(
+ absl::EndsWith(flag_02->Filename(),
+ "absl/flags/internal/commandlineflag_test.cc"))
+ << flag_02->Filename();
auto* flag_03 = flags::FindRetiredFlag("bool_retired_flag");
diff --git a/absl/flags/internal/usage_test.cc b/absl/flags/internal/usage_test.cc
index 8538b2b6..d15e4484 100644
--- a/absl/flags/internal/usage_test.cc
+++ b/absl/flags/internal/usage_test.cc
@@ -67,9 +67,9 @@ static std::string NormalizeFileName(absl::string_view fname) {
fname = normalized;
#endif
- auto absl_pos = fname.find("/absl/");
+ auto absl_pos = fname.rfind("absl/");
if (absl_pos != absl::string_view::npos) {
- fname = fname.substr(absl_pos + 1);
+ fname = fname.substr(absl_pos);
}
return std::string(fname);
}
diff --git a/absl/random/CMakeLists.txt b/absl/random/CMakeLists.txt
index cde89bfd..151cefa4 100644
--- a/absl/random/CMakeLists.txt
+++ b/absl/random/CMakeLists.txt
@@ -1025,6 +1025,8 @@ absl_cc_test(
random_internal_iostream_state_saver_test
SRCS
"internal/iostream_state_saver_test.cc"
+ COPTS
+ ${ABSL_TEST_COPTS}
LINKOPTS
${ABSL_DEFAULT_LINKOPTS}
DEPS
diff --git a/absl/random/beta_distribution.h b/absl/random/beta_distribution.h
index d7afd61c..e29894f2 100644
--- a/absl/random/beta_distribution.h
+++ b/absl/random/beta_distribution.h
@@ -129,7 +129,7 @@ class beta_distribution {
private:
friend class beta_distribution;
-#ifdef COMPILER_MSVC
+#ifdef _MSC_VER
// MSVC does not have constexpr implementations for std::log and std::exp
// so they are computed at runtime.
#define ABSL_RANDOM_INTERNAL_LOG_EXP_CONSTEXPR
diff --git a/absl/random/distribution_format_traits.h b/absl/random/distribution_format_traits.h
index 3f28c906..3298c2cd 100644
--- a/absl/random/distribution_format_traits.h
+++ b/absl/random/distribution_format_traits.h
@@ -36,6 +36,12 @@
#include "absl/types/span.h"
namespace absl {
+
+struct IntervalClosedClosedTag;
+struct IntervalClosedOpenTag;
+struct IntervalOpenClosedTag;
+struct IntervalOpenOpenTag;
+
namespace random_internal {
// ScalarTypeName defines a preferred hierarchy of preferred type names for
@@ -243,6 +249,39 @@ struct DistributionFormatTraits<absl::log_uniform_int_distribution<R>> {
}
};
+template <typename TagType, typename NumType>
+struct UniformDistributionWrapper;
+
+template <typename TagType, typename NumType>
+struct DistributionFormatTraits<UniformDistributionWrapper<TagType, NumType>> {
+ using distribution_t = UniformDistributionWrapper<TagType, NumType>;
+ using result_t = NumType;
+
+ static constexpr const char* Name() { return "Uniform"; }
+
+ static std::string FunctionName() {
+ return absl::StrCat(Name(), "<", ScalarTypeName<NumType>(), ">");
+ }
+ static std::string FormatArgs(const distribution_t& d) {
+ absl::string_view tag;
+ if (std::is_same<TagType, IntervalClosedClosedTag>::value) {
+ tag = "IntervalClosedClosed";
+ } else if (std::is_same<TagType, IntervalClosedOpenTag>::value) {
+ tag = "IntervalClosedOpen";
+ } else if (std::is_same<TagType, IntervalOpenClosedTag>::value) {
+ tag = "IntervalOpenClosed";
+ } else if (std::is_same<TagType, IntervalOpenOpenTag>::value) {
+ tag = "IntervalOpenOpen";
+ } else {
+ tag = "[[unknown tag type]]";
+ }
+ return absl::StrCat(tag, ", ", (d.min)(), ", ", (d.max)());
+ }
+ static std::string FormatResults(absl::Span<const result_t> results) {
+ return absl::StrJoin(results, ", ");
+ }
+};
+
} // namespace random_internal
} // namespace absl
diff --git a/absl/random/internal/BUILD.bazel b/absl/random/internal/BUILD.bazel
index 8eb6c61a..cd50982d 100644
--- a/absl/random/internal/BUILD.bazel
+++ b/absl/random/internal/BUILD.bazel
@@ -60,13 +60,11 @@ cc_library(
linkopts = ABSL_DEFAULT_LINKOPTS,
deps = [
":distribution_caller",
- ":fast_uniform_bits",
- ":fastmath",
":traits",
":uniform_helper",
+ "//absl/base",
"//absl/meta:type_traits",
"//absl/strings",
- "//absl/types:span",
],
)
@@ -618,11 +616,6 @@ cc_library(
copts = ABSL_DEFAULT_COPTS,
linkopts = ABSL_DEFAULT_LINKOPTS,
deps = [
- ":distribution_impl",
- ":fast_uniform_bits",
- ":iostream_state_saver",
- ":traits",
- "//absl/base:core_headers",
"//absl/meta:type_traits",
],
)
diff --git a/absl/random/internal/distributions.h b/absl/random/internal/distributions.h
index 34db3b32..96f8bae3 100644
--- a/absl/random/internal/distributions.h
+++ b/absl/random/internal/distributions.h
@@ -39,22 +39,20 @@ NumType UniformImpl(TagType tag,
"absl::Uniform<T>() must use an integer or real parameter type.");
using distribution_t =
- typename std::conditional<std::is_integral<NumType>::value,
- absl::uniform_int_distribution<NumType>,
- absl::uniform_real_distribution<NumType>>::type;
+ UniformDistributionWrapper<absl::decay_t<TagType>, NumType>;
using format_t = random_internal::DistributionFormatTraits<distribution_t>;
+ auto a = uniform_lower_bound(tag, lo, hi);
+ auto b = uniform_upper_bound(tag, lo, hi);
- auto a = random_internal::uniform_lower_bound<NumType>(tag, lo, hi);
- auto b = random_internal::uniform_upper_bound<NumType>(tag, lo, hi);
// TODO(lar): it doesn't make a lot of sense to ask for a random number in an
// empty range. Right now we just return a boundary--even though that
// boundary is not an acceptable value! Is there something better we can do
// here?
+ if (a > b) return a;
using gen_t = absl::decay_t<URBG>;
- if (a > b) return a;
return DistributionCaller<gen_t>::template Call<distribution_t, format_t>(
- &urbg, a, b);
+ &urbg, tag, lo, hi);
}
// In the absence of an explicitly provided return-type, the template
diff --git a/absl/random/internal/uniform_helper.h b/absl/random/internal/uniform_helper.h
index 9e89e526..2929407e 100644
--- a/absl/random/internal/uniform_helper.h
+++ b/absl/random/internal/uniform_helper.h
@@ -156,7 +156,7 @@ using UniformDistribution =
template <typename TagType, typename NumType>
struct UniformDistributionWrapper : public UniformDistribution<NumType> {
- explicit UniformDistributionWrapper(NumType lo, NumType hi)
+ explicit UniformDistributionWrapper(TagType, NumType lo, NumType hi)
: UniformDistribution<NumType>(
uniform_lower_bound<NumType>(TagType{}, lo, hi),
uniform_upper_bound<NumType>(TagType{}, lo, hi)) {}