fixed_ratio_sampler.cc
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1 /*
2  * Copyright 2016 The Cartographer Authors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
18 
19 namespace cartographer {
20 namespace common {
21 
22 FixedRatioSampler::FixedRatioSampler(const double ratio) : ratio_(ratio) {}
23 
25 
27  ++num_pulses_;
28  if (static_cast<double>(num_samples_) / num_pulses_ < ratio_) {
29  ++num_samples_;
30  return true;
31  }
32  return false;
33 }
34 
36  return std::to_string(num_samples_) + " (" +
37  std::to_string(100. * num_samples_ / num_pulses_) + "%)";
38 }
39 
40 } // namespace common
41 } // namespace cartographer


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autogenerated on Wed Jun 5 2019 21:57:58