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C++ SpinBlock::BuildSlaterBlock方法代码示例

本文整理汇总了C++中SpinBlock::BuildSlaterBlock方法的典型用法代码示例。如果您正苦于以下问题:C++ SpinBlock::BuildSlaterBlock方法的具体用法?C++ SpinBlock::BuildSlaterBlock怎么用?C++ SpinBlock::BuildSlaterBlock使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SpinBlock的用法示例。


在下文中一共展示了SpinBlock::BuildSlaterBlock方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: TensorProduct


//.........这里部分代码省略.........
        }
      } else { // no core
        if ((!dot_with_sys && onedot) || !onedot) {
	  environment.set_integralIndex() = integralIndex;
          environment.default_op_components(!forward, leftState==rightState);
          environment.setstoragetype(DISTRIBUTED_STORAGE);
          environment.BuildTensorProductBlock(environmentSites); // exact block
        } else {
	  newEnvironment.set_integralIndex() = integralIndex;
          newEnvironment.default_op_components(!forward, leftState==rightState);
          newEnvironment.setstoragetype(DISTRIBUTED_STORAGE);
          newEnvironment.BuildTensorProductBlock(environmentSites);
        }
      }
    } else { //used for warmup guess environemnt
      std::vector<SpinQuantum> quantumNumbers;
      std::vector<int> distribution;
      std::map<SpinQuantum, int> quantaDist;
      std::map<SpinQuantum, int>::iterator quantaIterator;
      bool environmentComplementary = !forward;
      StateInfo tmp2;

      // tmp is the quantum numbers of newSystem (sys + sysdot)
      if (onedot) tmp.quanta_distribution (quantumNumbers, distribution, true);
      else {
        StateInfo environmentdot_stateinfo = environmentDot.get_stateInfo();
        TensorProduct (tmp, environmentdot_stateinfo, tmp2, constraint);
        tmp2.CollectQuanta ();
        tmp2.quanta_distribution (quantumNumbers, distribution, true);

      }
      
      for (int i = 0; i < distribution.size (); ++i) {
	    quantaIterator = quantaDist.find(quantumNumbers[i]);
	    if (quantaIterator != quantaDist.end()) distribution[i] += quantaIterator->second;
        distribution [i] /= 4; distribution [i] += 1;
        if (distribution [i] > dmrginp.nquanta()) distribution [i] = dmrginp.nquanta();	
	    if(quantaIterator != quantaDist.end()) {
          quantaIterator->second = distribution[i];
        } else {
          quantaDist[quantumNumbers[i]] = distribution[i];
        }
      }

      if (dmrginp.outputlevel() > 0) pout << "\t\t\t Quantum numbers and states used for warm up :: " << endl << "\t\t\t ";
      quantumNumbers.clear(); quantumNumbers.reserve(distribution.size());
      distribution.clear();distribution.reserve(quantumNumbers.size());
      std::map<SpinQuantum, int>::iterator qit = quantaDist.begin();

      for (; qit != quantaDist.end(); qit++) {
	    quantumNumbers.push_back( qit->first); distribution.push_back(qit->second); 
	    if (dmrginp.outputlevel() > 0) {
	      pout << quantumNumbers.back() << " = " << distribution.back() << ", ";
	      if (! (quantumNumbers.size() - 6) % 6) pout << endl << "\t\t\t ";
	    }
      }
      pout << endl;

      if(dot_with_sys && onedot) {
	newEnvironment.set_integralIndex() = integralIndex;
        newEnvironment.BuildSlaterBlock (environmentSites, quantumNumbers, distribution, false, false);
      } else {
	environment.set_integralIndex() = integralIndex;
        environment.BuildSlaterBlock (environmentSites, quantumNumbers, distribution, false, haveNormops);
      }
    }
  } else {
    if (dmrginp.outputlevel() > 0) pout << "\t\t\t Restoring block of size " << environmentSites.size () << " from previous iteration" << endl;
    
    if(dot_with_sys && onedot) {
      newEnvironment.set_integralIndex() = integralIndex;
      SpinBlock::restore (!forward, environmentSites, newEnvironment, leftState, rightState);
    } else {
      environment.set_integralIndex() = integralIndex;
      SpinBlock::restore (!forward, environmentSites, environment, leftState, rightState);
    }
    if (dmrginp.outputlevel() > 0)
      mcheck("");
  }
  // now initialise newEnvironment
  if (!dot_with_sys || !onedot) {
    dmrginp.datatransfer -> start();
    environment.addAdditionalCompOps();
    dmrginp.datatransfer -> stop();

    newEnvironment.set_integralIndex() = integralIndex;
    newEnvironment.default_op_components(direct, environment, environmentDot, haveNormops, haveCompops, leftState==rightState);
    newEnvironment.setstoragetype(DISTRIBUTED_STORAGE);
    newEnvironment.BuildSumBlock (constraint, environment, environmentDot,braquanta,ketquanta);
    if (dmrginp.outputlevel() > -1) {
	  pout << "\t\t\t Environment block " << endl << environment << endl;
	  environment.printOperatorSummary();
	  pout << "\t\t\t NewEnvironment block " << endl << newEnvironment << endl;
	  newEnvironment.printOperatorSummary();
    }
  } else if (dmrginp.outputlevel() > 0) {
    pout << "\t\t\t Environment block " << endl << newEnvironment << endl;
    newEnvironment.printOperatorSummary();
  }
}
开发者ID:chrinide,项目名称:Block,代码行数:101,代码来源:initblocks.C


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