本文整理汇总了C++中DrudeForce::updateParametersInContext方法的典型用法代码示例。如果您正苦于以下问题：C++ DrudeForce::updateParametersInContext方法的具体用法？C++ DrudeForce::updateParametersInContext怎么用？C++ DrudeForce::updateParametersInContext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::updateParametersInContext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: testChangingParameters
void testChangingParameters() {
const double k = ONE_4PI_EPS0*1.5;
const double charge = 0.1;
const double alpha = ONE_4PI_EPS0*charge*charge/k;
Platform& platform = Platform::getPlatformByName("OpenCL");
// Create the system.
System system;
system.addParticle(1.0);
system.addParticle(1.0);
DrudeForce* drude = new DrudeForce();
drude->addParticle(1, 0, -1, -1, -1, charge, alpha, 1, 1);
system.addForce(drude);
vector<Vec3> positions(2);
positions[0] = Vec3(-1, 0, 0);
positions[1] = Vec3(2, 0, 0);
// Check the energy.
VerletIntegrator integ(1.0);
Context context(system, integ, platform);
context.setPositions(positions);
State state = context.getState(State::Energy);
ASSERT_EQUAL_TOL(0.5*k*3*3, state.getPotentialEnergy(), 1e-5);
// Modify the parameters.
const double k2 = ONE_4PI_EPS0*2.2;
const double charge2 = 0.3;
const double alpha2 = ONE_4PI_EPS0*charge2*charge2/k2;
drude->setParticleParameters(0, 1, 0, -1, -1, -1, charge2, alpha2, 1, 1);
drude->updateParametersInContext(context);
state = context.getState(State::Energy);
ASSERT_EQUAL_TOL(0.5*k2*3*3, state.getPotentialEnergy(), 1e-5);
}