Export of internal Abseil changes

--
b95862447354428f62ae1627cf526e42ca0b7a9d by Christian Blichmann <cblichmann@google.com>:

Minor cleanups:
* Sorting using declarations
* Changing the format of a NOLINT statement

PiperOrigin-RevId: 348448885

--
954a4375fb09267e55dfda345605b9aca54998b0 by Abseil Team <absl-team@google.com>:

Enable some more Emscripten tests.
Requires setting -s PRINTF_LONG_DOUBLE=1 in a recent build.

PiperOrigin-RevId: 348043610
GitOrigin-RevId: b95862447354428f62ae1627cf526e42ca0b7a9d
Change-Id: I517c94a5fd0feb9b99823dc8552d28fa598723fe

4 files changed, 4 insertions, 14 deletions

diff --git a/absl/random/exponential_distribution_test.cc b/absl/random/exponential_distribution_test.cc
index 8e9e69b6..5a8afde5 100644
--- a/absl/random/exponential_distribution_test.cc
+++ b/absl/random/exponential_distribution_test.cc
@@ -47,11 +47,7 @@ using absl::random_internal::kChiSquared;
 template <typename RealType>
 class ExponentialDistributionTypedTest : public ::testing::Test {};
 
-#if defined(__EMSCRIPTEN__)
-using RealTypes = ::testing::Types<float, double>;
-#else
 using RealTypes = ::testing::Types<float, double, long double>;
-#endif  // defined(__EMSCRIPTEN__)
 TYPED_TEST_CASE(ExponentialDistributionTypedTest, RealTypes);
 
 TYPED_TEST(ExponentialDistributionTypedTest, SerializeTest) {
diff --git a/absl/random/gaussian_distribution_test.cc b/absl/random/gaussian_distribution_test.cc
index 02ac578a..2aa7caf4 100644
--- a/absl/random/gaussian_distribution_test.cc
+++ b/absl/random/gaussian_distribution_test.cc
@@ -130,15 +130,12 @@ TYPED_TEST(GaussianDistributionInterfaceTest, SerializeTest) {
         ss >> after;
 
 #if defined(__powerpc64__) || defined(__PPC64__) || defined(__powerpc__) || \
-    defined(__ppc__) || defined(__PPC__) || defined(__EMSCRIPTEN__)
+    defined(__ppc__) || defined(__PPC__)
         if (std::is_same<TypeParam, long double>::value) {
           // Roundtripping floating point values requires sufficient precision
           // to reconstruct the exact value.  It turns out that long double
           // has some errors doing this on ppc, particularly for values
           // near {1.0 +/- epsilon}.
-          //
-          // Emscripten is even worse, implementing long double as a 128-bit
-          // type, but shipping with a strtold() that doesn't support that.
           if (mean <= std::numeric_limits<double>::max() &&
               mean >= std::numeric_limits<double>::lowest()) {
             EXPECT_EQ(static_cast<double>(before.mean()),
diff --git a/absl/random/internal/iostream_state_saver_test.cc b/absl/random/internal/iostream_state_saver_test.cc
index 7bb8ad95..6e66266c 100644
--- a/absl/random/internal/iostream_state_saver_test.cc
+++ b/absl/random/internal/iostream_state_saver_test.cc
@@ -14,6 +14,9 @@
 
 #include "absl/random/internal/iostream_state_saver.h"
 
+#include <errno.h>
+#include <stdio.h>
+
 #include <sstream>
 #include <string>
 
@@ -272,7 +275,6 @@ TEST(IOStreamStateSaver, RoundTripDoubles) {
   }
 }
 
-#if !defined(__EMSCRIPTEN__)
 TEST(IOStreamStateSaver, RoundTripLongDoubles) {
   // Technically, C++ only guarantees that long double is at least as large as a
   // double.  Practically it varies from 64-bits to 128-bits.
@@ -350,7 +352,6 @@ TEST(IOStreamStateSaver, RoundTripLongDoubles) {
     }
   }
 }
-#endif  // !defined(__EMSCRIPTEN__)
 
 TEST(StrToDTest, DoubleMin) {
   const char kV[] = "2.22507385850720138e-308";
diff --git a/absl/random/uniform_real_distribution_test.cc b/absl/random/uniform_real_distribution_test.cc
index be107cdd..8cf874d6 100644
--- a/absl/random/uniform_real_distribution_test.cc
+++ b/absl/random/uniform_real_distribution_test.cc
@@ -55,11 +55,7 @@ namespace {
 template <typename RealType>
 class UniformRealDistributionTest : public ::testing::Test {};
 
-#if defined(__EMSCRIPTEN__)
-using RealTypes = ::testing::Types<float, double>;
-#else
 using RealTypes = ::testing::Types<float, double, long double>;
-#endif  // defined(__EMSCRIPTEN__)
 
 TYPED_TEST_SUITE(UniformRealDistributionTest, RealTypes);