text: 
  /*
   * Copyright 2015 jordanxlj
   *
   * 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
   *
   * http://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 "util.h"
  #include "sequence.h"
  
  namespace magic_bean {
  
  int64_t Util::GetMinimumSequence(const std::vector<SequencePtr>& sequences, int64_t minimum) {
    for(size_t i = 0; i < sequences.size(); i++) {
      int64_t value = sequences[i]->Get();
      minimum = value < minimum ? value : minimum;
    }
    return minimum;
  }
  
  int Util::Log2(int i) {
    int r = 0;
    while((i >>= 1) != 0)
      ++r;
    return r;
  }
  
  } //end namespace
  