39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
// Copyright 2011-2014 Google
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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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//
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//
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// Several helper functions to generate random numbers.
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#ifndef OR_TOOLS_TUTORIALS_CPLUSPLUS_RANDOM_H
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#define OR_TOOLS_TUTORIALS_CPLUSPLUS_RANDOM_H
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#include "base/random.h"
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#include "common/constants.h"
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#include "common/common_flags.h"
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namespace operations_research {
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// Random seed generator.
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int32 GetSeed() {
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if (FLAGS_deterministic_random_seed) {
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return ACMRandom::DeterministicSeed();
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} else {
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return ACMRandom::HostnamePidTimeSeed();
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}
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}
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} // namespace opertional_research
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#endif // OR_TOOLS_TUTORIALS_CPLUSPLUS_RANDOM_H
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