本文整理汇总了C++中DrudeForce::getNumParticles方法的典型用法代码示例。如果您正苦于以下问题：C++ DrudeForce::getNumParticles方法的具体用法？C++ DrudeForce::getNumParticles怎么用？C++ DrudeForce::getNumParticles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DrudeForce的用法示例。
在下文中一共展示了DrudeForce::getNumParticles方法的2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: initialize
void ReferenceIntegrateDrudeSCFStepKernel::initialize(const System& system, const DrudeSCFIntegrator& integrator, const DrudeForce& force) {
// Identify Drude particles.
for (int i = 0; i < force.getNumParticles(); i++) {
int p, p1, p2, p3, p4;
double charge, polarizability, aniso12, aniso34;
force.getParticleParameters(i, p, p1, p2, p3, p4, charge, polarizability, aniso12, aniso34);
drudeParticles.push_back(p);
}
// Record particle masses.
vector<RealOpenMM> particleMass;
for (int i = 0; i < system.getNumParticles(); i++) {
double mass = system.getParticleMass(i);
particleMass.push_back(mass);
particleInvMass.push_back(mass == 0.0 ? 0.0 : 1.0/mass);
}
// Prepare constraints.
int numConstraints = system.getNumConstraints();
if (numConstraints > 0) {
vector<pair<int, int> > constraintIndices(numConstraints);
vector<RealOpenMM> constraintDistances(numConstraints);
for (int i = 0; i < numConstraints; ++i) {
int particle1, particle2;
double distance;
system.getConstraintParameters(i, particle1, particle2, distance);
constraintIndices[i].first = particle1;
constraintIndices[i].second = particle2;
constraintDistances[i] = static_cast<RealOpenMM>(distance);
}
vector<ReferenceCCMAAlgorithm::AngleInfo> angles;
findAnglesForCCMA(system, angles);
constraints = new ReferenceCCMAAlgorithm(system.getNumParticles(), numConstraints, constraintIndices, constraintDistances, particleMass, angles, (RealOpenMM)integrator.getConstraintTolerance());
}
// Initialize the energy minimizer.
minimizerPos = lbfgs_malloc(drudeParticles.size()*3);
if (minimizerPos == NULL)
throw OpenMMException("DrudeSCFIntegrator: Failed to allocate memory");
lbfgs_parameter_init(&minimizerParams);
minimizerParams.linesearch = LBFGS_LINESEARCH_BACKTRACKING_STRONG_WOLFE;
if (sizeof(RealOpenMM) < 8)
minimizerParams.xtol = 1e-7;
}示例2: initialize
void CudaIntegrateDrudeLangevinStepKernel::initialize(const System& system, const DrudeLangevinIntegrator& integrator, const DrudeForce& force) {
cu.getPlatformData().initializeContexts(system);
cu.getIntegrationUtilities().initRandomNumberGenerator((unsigned int) integrator.getRandomNumberSeed());
// Identify particle pairs and ordinary particles.
set<int> particles;
vector<int> normalParticleVec;
vector<int2> pairParticleVec;
for (int i = 0; i < system.getNumParticles(); i++)
particles.insert(i);
for (int i = 0; i < force.getNumParticles(); i++) {
int p, p1, p2, p3, p4;
double charge, polarizability, aniso12, aniso34;
force.getParticleParameters(i, p, p1, p2, p3, p4, charge, polarizability, aniso12, aniso34);
particles.erase(p);
particles.erase(p1);
pairParticleVec.push_back(make_int2(p, p1));
}
normalParticleVec.insert(normalParticleVec.begin(), particles.begin(), particles.end());
normalParticles = CudaArray::create<int>(cu, max((int) normalParticleVec.size(), 1), "drudeNormalParticles");
pairParticles = CudaArray::create<int2>(cu, max((int) pairParticleVec.size(), 1), "drudePairParticles");
if (normalParticleVec.size() > 0)
normalParticles->upload(normalParticleVec);
if (pairParticleVec.size() > 0)
pairParticles->upload(pairParticleVec);
// Create kernels.
map<string, string> defines;
defines["NUM_ATOMS"] = cu.intToString(cu.getNumAtoms());
defines["PADDED_NUM_ATOMS"] = cu.intToString(cu.getPaddedNumAtoms());
defines["NUM_NORMAL_PARTICLES"] = cu.intToString(normalParticleVec.size());
defines["NUM_PAIRS"] = cu.intToString(pairParticleVec.size());
map<string, string> replacements;
CUmodule module = cu.createModule(CudaKernelSources::vectorOps+CudaDrudeKernelSources::drudeLangevin, defines, "");
kernel1 = cu.getKernel(module, "integrateDrudeLangevinPart1");
kernel2 = cu.getKernel(module, "integrateDrudeLangevinPart2");
hardwallKernel = cu.getKernel(module, "applyHardWallConstraints");
prevStepSize = -1.0;
}