chore(3p/abseil_cpp): unvendor abseil_cpp r/3786

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 110 deletions

diff --git a/third_party/abseil_cpp/absl/random/internal/fastmath_test.cc b/third_party/abseil_cpp/absl/random/internal/fastmath_test.cc
deleted file mode 100644
index 65859c25de4c..000000000000
--- a/third_party/abseil_cpp/absl/random/internal/fastmath_test.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "absl/random/internal/fastmath.h"
-
-#include "gtest/gtest.h"
-
-#if defined(__native_client__) || defined(__EMSCRIPTEN__)
-// NACL has a less accurate implementation of std::log2 than most of
-// the other platforms. For some values which should have integral results,
-// sometimes NACL returns slightly larger values.
-//
-// The MUSL libc used by emscripten also has a similar bug.
-#define ABSL_RANDOM_INACCURATE_LOG2
-#endif
-
-namespace {
-
-TEST(DistributionImplTest, LeadingSetBit) {
-  using absl::random_internal::LeadingSetBit;
-  constexpr uint64_t kZero = 0;
-  EXPECT_EQ(0, LeadingSetBit(kZero));
-  EXPECT_EQ(64, LeadingSetBit(~kZero));
-
-  for (int index = 0; index < 64; index++) {
-    uint64_t x = static_cast<uint64_t>(1) << index;
-    EXPECT_EQ(index + 1, LeadingSetBit(x)) << index;
-    EXPECT_EQ(index + 1, LeadingSetBit(x + x - 1)) << index;
-  }
-}
-
-TEST(FastMathTest, IntLog2FloorTest) {
-  using absl::random_internal::IntLog2Floor;
-  constexpr uint64_t kZero = 0;
-  EXPECT_EQ(0, IntLog2Floor(0));  // boundary. return 0.
-  EXPECT_EQ(0, IntLog2Floor(1));
-  EXPECT_EQ(1, IntLog2Floor(2));
-  EXPECT_EQ(63, IntLog2Floor(~kZero));
-
-  // A boundary case: Converting 0xffffffffffffffff requires > 53
-  // bits of precision, so the conversion to double rounds up,
-  // and the result of std::log2(x) > IntLog2Floor(x).
-  EXPECT_LT(IntLog2Floor(~kZero), static_cast<int>(std::log2(~kZero)));
-
-  for (int i = 0; i < 64; i++) {
-    const uint64_t i_pow_2 = static_cast<uint64_t>(1) << i;
-    EXPECT_EQ(i, IntLog2Floor(i_pow_2));
-    EXPECT_EQ(i, static_cast<int>(std::log2(i_pow_2)));
-
-    uint64_t y = i_pow_2;
-    for (int j = i - 1; j > 0; --j) {
-      y = y | (i_pow_2 >> j);
-      EXPECT_EQ(i, IntLog2Floor(y));
-    }
-  }
-}
-
-TEST(FastMathTest, IntLog2CeilTest) {
-  using absl::random_internal::IntLog2Ceil;
-  constexpr uint64_t kZero = 0;
-  EXPECT_EQ(0, IntLog2Ceil(0));  // boundary. return 0.
-  EXPECT_EQ(0, IntLog2Ceil(1));
-  EXPECT_EQ(1, IntLog2Ceil(2));
-  EXPECT_EQ(64, IntLog2Ceil(~kZero));
-
-  // A boundary case: Converting 0xffffffffffffffff requires > 53
-  // bits of precision, so the conversion to double rounds up,
-  // and the result of std::log2(x) > IntLog2Floor(x).
-  EXPECT_LE(IntLog2Ceil(~kZero), static_cast<int>(std::log2(~kZero)));
-
-  for (int i = 0; i < 64; i++) {
-    const uint64_t i_pow_2 = static_cast<uint64_t>(1) << i;
-    EXPECT_EQ(i, IntLog2Ceil(i_pow_2));
-#ifndef ABSL_RANDOM_INACCURATE_LOG2
-    EXPECT_EQ(i, static_cast<int>(std::ceil(std::log2(i_pow_2))));
-#endif
-
-    uint64_t y = i_pow_2;
-    for (int j = i - 1; j > 0; --j) {
-      y = y | (i_pow_2 >> j);
-      EXPECT_EQ(i + 1, IntLog2Ceil(y));
-    }
-  }
-}
-
-TEST(FastMathTest, StirlingLogFactorial) {
-  using absl::random_internal::StirlingLogFactorial;
-
-  EXPECT_NEAR(StirlingLogFactorial(1.0), 0, 1e-3);
-  EXPECT_NEAR(StirlingLogFactorial(1.50), 0.284683, 1e-3);
-  EXPECT_NEAR(StirlingLogFactorial(2.0), 0.69314718056, 1e-4);
-
-  for (int i = 2; i < 50; i++) {
-    double d = static_cast<double>(i);
-    EXPECT_NEAR(StirlingLogFactorial(d), std::lgamma(d + 1), 3e-5);
-  }
-}
-
-}  // namespace