diff options
author | Vincent Ambo <mail@tazj.in> | 2022-02-07T23·05+0300 |
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committer | clbot <clbot@tvl.fyi> | 2022-02-07T23·09+0000 |
commit | 5aa5d282eac56a21e74611c1cdbaa97bb5db2dca (patch) | |
tree | 8cc5dce8157a1470ff76719dd15d65f648a05522 /third_party/abseil_cpp/absl/random/internal/wide_multiply_test.cc | |
parent | a25675804c4f429fab5ee5201fe25e89865dfd13 (diff) |
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>
Diffstat (limited to 'third_party/abseil_cpp/absl/random/internal/wide_multiply_test.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/random/internal/wide_multiply_test.cc | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/third_party/abseil_cpp/absl/random/internal/wide_multiply_test.cc b/third_party/abseil_cpp/absl/random/internal/wide_multiply_test.cc deleted file mode 100644 index ca8ce923b710..000000000000 --- a/third_party/abseil_cpp/absl/random/internal/wide_multiply_test.cc +++ /dev/null @@ -1,66 +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/wide_multiply.h" - -#include "gtest/gtest.h" -#include "absl/base/internal/bits.h" -#include "absl/numeric/int128.h" - -using absl::random_internal::MultiplyU64ToU128; - -namespace { - -TEST(WideMultiplyTest, MultiplyU64ToU128Test) { - constexpr uint64_t k1 = 1; - constexpr uint64_t kMax = ~static_cast<uint64_t>(0); - - EXPECT_EQ(absl::uint128(0), MultiplyU64ToU128(0, 0)); - - // Max uint64_t - EXPECT_EQ(MultiplyU64ToU128(kMax, kMax), - absl::MakeUint128(0xfffffffffffffffe, 0x0000000000000001)); - EXPECT_EQ(absl::MakeUint128(0, kMax), MultiplyU64ToU128(kMax, 1)); - EXPECT_EQ(absl::MakeUint128(0, kMax), MultiplyU64ToU128(1, kMax)); - for (int i = 0; i < 64; ++i) { - EXPECT_EQ(absl::MakeUint128(0, kMax) << i, - MultiplyU64ToU128(kMax, k1 << i)); - EXPECT_EQ(absl::MakeUint128(0, kMax) << i, - MultiplyU64ToU128(k1 << i, kMax)); - } - - // 1-bit x 1-bit. - for (int i = 0; i < 64; ++i) { - for (int j = 0; j < 64; ++j) { - EXPECT_EQ(absl::MakeUint128(0, 1) << (i + j), - MultiplyU64ToU128(k1 << i, k1 << j)); - EXPECT_EQ(absl::MakeUint128(0, 1) << (i + j), - MultiplyU64ToU128(k1 << i, k1 << j)); - } - } - - // Verified multiplies - EXPECT_EQ(MultiplyU64ToU128(0xffffeeeeddddcccc, 0xbbbbaaaa99998888), - absl::MakeUint128(0xbbbb9e2692c5dddc, 0xc28f7531048d2c60)); - EXPECT_EQ(MultiplyU64ToU128(0x0123456789abcdef, 0xfedcba9876543210), - absl::MakeUint128(0x0121fa00ad77d742, 0x2236d88fe5618cf0)); - EXPECT_EQ(MultiplyU64ToU128(0x0123456789abcdef, 0xfdb97531eca86420), - absl::MakeUint128(0x0120ae99d26725fc, 0xce197f0ecac319e0)); - EXPECT_EQ(MultiplyU64ToU128(0x97a87f4f261ba3f2, 0xfedcba9876543210), - absl::MakeUint128(0x96fbf1a8ae78d0ba, 0x5a6dd4b71f278320)); - EXPECT_EQ(MultiplyU64ToU128(0xfedcba9876543210, 0xfdb97531eca86420), - absl::MakeUint128(0xfc98c6981a413e22, 0x342d0bbf48948200)); -} - -} // namespace |