46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef FUZZERS_TINT_AST_FUZZER_MT_RNG_H_
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#define FUZZERS_TINT_AST_FUZZER_MT_RNG_H_
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#include <random>
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#include "fuzzers/tint_ast_fuzzer/random_number_generator.h"
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namespace tint {
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namespace fuzzers {
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namespace ast_fuzzer {
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/// The random number generator that uses STL's Mersenne Twister (std::mt19937)
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/// under the hood.
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class MtRng : public RandomNumberGenerator {
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public:
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/// @brief Initializes this RNG with some `seed`.
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/// @param seed - passed down to the `std::mt19937`.
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explicit MtRng(uint32_t seed);
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uint32_t RandomUint32(uint32_t bound) override;
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uint64_t RandomUint64(uint64_t bound) override;
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private:
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std::mt19937 rng_;
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};
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} // namespace ast_fuzzer
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} // namespace fuzzers
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} // namespace tint
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#endif // FUZZERS_TINT_AST_FUZZER_MT_RNG_H_
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