本文整理汇总了C++中SpinBlock::erase方法的典型用法代码示例。如果您正苦于以下问题：C++ SpinBlock::erase方法的具体用法？C++ SpinBlock::erase怎么用？C++ SpinBlock::erase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类SpinBlock的用法示例。
在下文中一共展示了SpinBlock::erase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: BlockAndDecimate
void SweepOnepdm::BlockAndDecimate (SweepParams &sweepParams, SpinBlock& system, SpinBlock& newSystem, const bool &useSlater, const bool& dot_with_sys, int state)
{
//mcheck("at the start of block and decimate");
// figure out if we are going forward or backwards
dmrginp.guessgenT -> start();
bool forward = (system.get_sites() [0] == 0);
SpinBlock systemDot;
SpinBlock envDot;
int systemDotStart, systemDotEnd;
int systemDotSize = sweepParams.get_sys_add() - 1;
if (forward)
{
systemDotStart = dmrginp.spinAdapted() ? *system.get_sites().rbegin () + 1 : (*system.get_sites().rbegin ())/2 + 1 ;
systemDotEnd = systemDotStart + systemDotSize;
}
else
{
systemDotStart = dmrginp.spinAdapted() ? system.get_sites()[0] - 1 : (system.get_sites()[0])/2 - 1 ;
systemDotEnd = systemDotStart - systemDotSize;
}
vector<int> spindotsites(2);
spindotsites[0] = systemDotStart;
spindotsites[1] = systemDotEnd;
systemDot = SpinBlock(systemDotStart, systemDotEnd, system.get_integralIndex(), true);
SpinBlock environment, environmentDot, newEnvironment;
int environmentDotStart, environmentDotEnd, environmentStart, environmentEnd;
const int nexact = forward ? sweepParams.get_forward_starting_size() : sweepParams.get_backward_starting_size();
newSystem.set_integralIndex() = system.get_integralIndex();
newSystem.default_op_components(dmrginp.direct(), system, systemDot, false, false, true);
newSystem.erase(CRE_CRE_DESCOMP);
newSystem.erase(CRE_CRE);
newSystem.erase(HAM);
newSystem.setstoragetype(DISTRIBUTED_STORAGE_FOR_ONEPDM);
newSystem.BuildSumBlock (NO_PARTICLE_SPIN_NUMBER_CONSTRAINT, system, systemDot);
if (dmrginp.outputlevel() > 0) {
pout << "\t\t\t NewSystem block " << endl << newSystem << endl;
newSystem.printOperatorSummary();
}
InitBlocks::InitNewEnvironmentBlock(environment, systemDot, newEnvironment, system, systemDot, sweepParams.current_root(), sweepParams.current_root(),
sweepParams.get_sys_add(), sweepParams.get_env_add(), forward, dmrginp.direct(),
sweepParams.get_onedot(), nexact, useSlater, system.get_integralIndex(), false, false, true);
SpinBlock big;
newSystem.set_loopblock(true);
system.set_loopblock(false);
newEnvironment.set_loopblock(false);
InitBlocks::InitBigBlock(newSystem, newEnvironment, big);
const int nroots = dmrginp.nroots();
std::vector<Wavefunction> solution(1);
DiagonalMatrix e;
GuessWave::guess_wavefunctions(solution[0], e, big, sweepParams.get_guesstype(), true, state, true, 0.0);
#ifndef SERIAL
mpi::communicator world;
mpi::broadcast(world, solution, 0);
#endif
std::vector<Matrix> rotateMatrix;
DensityMatrix tracedMatrix(newSystem.get_stateInfo());
tracedMatrix.allocate(newSystem.get_stateInfo());
tracedMatrix.makedensitymatrix(solution, big, std::vector<double>(1,1.0), 0.0, 0.0, false);
rotateMatrix.clear();
if (!mpigetrank())
double error = makeRotateMatrix(tracedMatrix, rotateMatrix, sweepParams.get_keep_states(), sweepParams.get_keep_qstates());
#ifndef SERIAL
mpi::broadcast(world,rotateMatrix,0);
#endif
#ifdef SERIAL
const int numprocs = 1;
#endif
#ifndef SERIAL
const int numprocs = world.size();
#endif
Matrix onepdm;
load_onepdm_binary(onepdm, state ,state);
Matrix pairmat;
if (dmrginp.hamiltonian() == BCS)
load_pairmat_binary(pairmat, state ,state);
if (sweepParams.get_block_iter() == 0) {
//this is inface a combination of 2_0_0, 1_1_0 and 0_2_0
p2out << "\t\t\t compute 2_0_0"<<endl;
compute_one_pdm_2_0_0(solution[0], solution[0], big, onepdm);
if (dmrginp.hamiltonian() == BCS)
compute_pair_2_0_0(solution[0], solution[0], big, pairmat);
p2out << "\t\t\t compute 1_1_0"<<endl;
compute_one_pdm_1_1_0(solution[0], solution[0], big, onepdm);
if (dmrginp.hamiltonian() == BCS)
compute_pair_1_1_0(solution[0], solution[0], big, pairmat);
}
//.........这里部分代码省略.........