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MNAStamper.cpp
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MNAStamper.cpp
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#include <algorithm>
#include "Base.h"
#include "Circuit.h"
#include "Simulator.h"
#include "MNAStamper.h"
namespace Tran {
static inline bool
isNodeOmitted(const Simulator* sim, size_t nodeId)
{
return sim->circuit().isGroundNode(nodeId);
}
static inline void
stampResistor(Eigen::MatrixXd& A, Eigen::VectorXd& /*b*/,
const Device& dev, const Simulator* sim)
{
double stampValue = 1.0 / dev._value;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._negNode);
if (isNodeOmitted(sim, dev._posNode) == false) {
A(posNodeIndex, posNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, dev._negNode) == false) {
A(negNodeIndex, negNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, dev._posNode) == false && isNodeOmitted(sim, dev._negNode) == false) {
A(posNodeIndex, negNodeIndex) += -stampValue;
A(negNodeIndex, posNodeIndex) += -stampValue;
}
}
static inline void
updatebCapacitorBE(Eigen::VectorXd& b,
const Device& cap,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double stampValue = cap._value / simTick;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(cap._posNode);
size_t negNodeIndex = result.nodeVectorIndex(cap._negNode);
double posVoltage = sim->nodeVoltageBackstep(cap._posNode, 1);
double negVoltage = sim->nodeVoltageBackstep(cap._negNode, 1);
double voltageDiff = posVoltage - negVoltage;
double bValue = stampValue * voltageDiff;
//printf("DEBUG: T@%G BE posNode: %lu, negNode: %lu, diff: %G-%G=%G current: %G\n",
// sim->simulationResult().currentTime(), cap._posNode, cap._negNode, posVoltage,
// negVoltage, voltageDiff, bValue);
if (isNodeOmitted(sim, cap._posNode) == false) {
b(posNodeIndex) += bValue;
}
if (isNodeOmitted(sim, cap._negNode) == false) {
b(negNodeIndex) += -bValue;
}
}
static inline void
stampCapacitorBE(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& cap,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double stampValue = cap._value / simTick;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(cap._posNode);
size_t negNodeIndex = result.nodeVectorIndex(cap._negNode);
if (isNodeOmitted(sim, cap._posNode) == false) {
A(posNodeIndex, posNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._negNode) == false) {
A(negNodeIndex, negNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._posNode) == false && isNodeOmitted(sim, cap._negNode) == false) {
A(posNodeIndex, negNodeIndex) -= stampValue;
A(negNodeIndex, posNodeIndex) -= stampValue;
}
updatebCapacitorBE(b, cap, sim);
}
static inline void
updatebCapacitorGear2(Eigen::VectorXd& b,
const Device& cap,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = cap._value / simTick;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(cap._posNode);
size_t negNodeIndex = result.nodeVectorIndex(cap._negNode);
double posVoltage1 = sim->nodeVoltageBackstep(cap._posNode, 1);
double negVoltage1 = sim->nodeVoltageBackstep(cap._negNode, 1);
double posVoltage2 = sim->nodeVoltageBackstep(cap._posNode, 2);
double negVoltage2 = sim->nodeVoltageBackstep(cap._negNode, 2);
double voltageDiff1 = posVoltage1 - negVoltage1;
double voltageDiff2 = posVoltage2 - negVoltage2;
double stampValue = baseValue * (2 * voltageDiff1 - 0.5 * voltageDiff2);
//printf("DEBUG: T@%G BDF posNode: %lu, negNode: %lu, diff1: %G-%G=%G, diff2: %G-%G=%G\n",
// sim->simulationResult().currentTime(), cap._posNode, cap._negNode,
// posVoltage1, negVoltage1, voltageDiff1,
// posVoltage2, negVoltage2, voltageDiff2);
if (isNodeOmitted(sim, cap._posNode) == false) {
b(posNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._negNode) == false) {
b(negNodeIndex) += -stampValue;
}
}
static inline void
stampCapacitorGear2(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& cap,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = 1.5 * cap._value / simTick;
double stampValue = baseValue;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(cap._posNode);
size_t negNodeIndex = result.nodeVectorIndex(cap._negNode);
if (isNodeOmitted(sim, cap._posNode) == false) {
A(posNodeIndex, posNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._negNode) == false) {
A(negNodeIndex, negNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._posNode) == false && isNodeOmitted(sim, cap._negNode) == false) {
A(posNodeIndex, negNodeIndex) -= stampValue;
A(negNodeIndex, posNodeIndex) -= stampValue;
}
updatebCapacitorGear2(b, cap, sim);
}
static inline void
updatebCapacitorTrap(Eigen::VectorXd& b,
const Device& cap,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = cap._value / simTick;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(cap._posNode);
size_t negNodeIndex = result.nodeVectorIndex(cap._negNode);
double posVoltage1 = sim->nodeVoltageBackstep(cap._posNode, 1);
double negVoltage1 = sim->nodeVoltageBackstep(cap._negNode, 1);
double dV1dt = sim->deviceVoltageDerivative(cap, 1, 1);
double voltageDiff1 = posVoltage1 - negVoltage1;
double stampValue = 2 * baseValue * voltageDiff1 + cap._value * dV1dt;
if (isNodeOmitted(sim, cap._posNode) == false) {
b(posNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._negNode) == false) {
b(negNodeIndex) += -stampValue;
}
}
static inline void
stampCapacitorTrap(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& cap,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = 2 * cap._value / simTick;
double stampValue = baseValue;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(cap._posNode);
size_t negNodeIndex = result.nodeVectorIndex(cap._negNode);
if (isNodeOmitted(sim, cap._posNode) == false) {
A(posNodeIndex, posNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._negNode) == false) {
A(negNodeIndex, negNodeIndex) += stampValue;
}
if (isNodeOmitted(sim, cap._posNode) == false && isNodeOmitted(sim, cap._negNode) == false) {
A(posNodeIndex, negNodeIndex) -= stampValue;
A(negNodeIndex, posNodeIndex) -= stampValue;
}
updatebCapacitorTrap(b, cap, sim);
}
static inline void
stampCapacitor(Eigen::MatrixXd& A, Eigen::VectorXd& b, const Device& cap,
const Simulator* simulator)
{
IntegrateMethod intMethod = simulator->integrateMethod();
switch (intMethod) {
case IntegrateMethod::BackwardEuler:
stampCapacitorBE(A, b, cap, simulator);
break;
case IntegrateMethod::Gear2:
stampCapacitorGear2(A, b, cap, simulator);
break;
case IntegrateMethod::Trapezoidal:
stampCapacitorTrap(A, b, cap, simulator);
break;
default:
assert(false && "Incorrect integrate method");
}
}
static inline void
updatebCapacitor(Eigen::VectorXd& b, const Device& cap,
const Simulator* simulator)
{
IntegrateMethod intMethod = simulator->integrateMethod();
switch (intMethod) {
case IntegrateMethod::BackwardEuler:
updatebCapacitorBE(b, cap, simulator);
break;
case IntegrateMethod::Gear2:
updatebCapacitorGear2(b, cap, simulator);
break;
case IntegrateMethod::Trapezoidal:
updatebCapacitorTrap(b, cap, simulator);
break;
default:
assert(false && "Incorrect integrate method");
}
}
static inline void
updatebInductorBE(Eigen::VectorXd& b,
const Device& ind,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double stampValue = ind._value / simTick;
const SimResult& result = sim->simulationResult();
size_t deviceIndex = result.deviceVectorIndex(ind._devId);
double indCurrent = sim->deviceCurrentBackstep(ind._devId, 1);
double bValue = -stampValue * indCurrent;
b(deviceIndex) += bValue;
}
static inline void
stampInductorBE(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& ind,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double stampValue = ind._value / simTick;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(ind._posNode);
size_t negNodeIndex = result.nodeVectorIndex(ind._negNode);
size_t deviceIndex = result.deviceVectorIndex(ind._devId);
if (isNodeOmitted(sim, ind._posNode) == false) {
A(posNodeIndex, deviceIndex) += 1;
A(deviceIndex, posNodeIndex) += 1;
}
if (isNodeOmitted(sim, ind._negNode) == false) {
A(negNodeIndex, deviceIndex) += -1;
A(deviceIndex, negNodeIndex) += -1;
}
A(deviceIndex, deviceIndex) += -stampValue;
double indCurrent = sim->deviceCurrentBackstep(ind._devId, 1);
double bValue = -stampValue * indCurrent;
b(deviceIndex) += bValue;
}
static inline void
updatebInductorGear2(Eigen::VectorXd& b,
const Device& ind,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = ind._value / simTick;
const SimResult& result = sim->simulationResult();
size_t deviceIndex = result.deviceVectorIndex(ind._devId);
double indCurrent1 = sim->deviceCurrentBackstep(ind._devId, 1);
double indCurrent2 = sim->deviceCurrentBackstep(ind._devId, 2);
double stampValue = -baseValue * (2 * indCurrent1 - 0.5 * indCurrent2);
b(deviceIndex) += stampValue;
}
static inline void
stampInductorGear2(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& ind,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = 1.5 * ind._value / simTick;
double stampValue = baseValue;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(ind._posNode);
size_t negNodeIndex = result.nodeVectorIndex(ind._negNode);
size_t deviceIndex = result.deviceVectorIndex(ind._devId);
if (isNodeOmitted(sim, ind._posNode) == false) {
A(posNodeIndex, deviceIndex) += 1;
A(deviceIndex, posNodeIndex) += 1;
}
if (isNodeOmitted(sim, ind._negNode) == false) {
A(negNodeIndex, deviceIndex) += -1;
A(deviceIndex, negNodeIndex) += -1;
}
A(deviceIndex, deviceIndex) += -stampValue;
updatebInductorGear2(b, ind, sim);
}
static inline void
updatebInductorTrap(Eigen::VectorXd& b,
const Device& ind,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = ind._value / simTick;
const SimResult& result = sim->simulationResult();
size_t deviceIndex = result.deviceVectorIndex(ind._devId);
double indCurrent1 = sim->deviceCurrentBackstep(ind._devId, 1);
double dI1dt = sim->deviceCurrentDerivative(ind, 1, 1);
double stampValue = -2 * baseValue * indCurrent1 - ind._value * dI1dt;
b(deviceIndex) += stampValue;
}
static inline void
stampInductorTrap(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& ind,
const Simulator* sim)
{
double simTick = sim->simulationTick();
double baseValue = 2 * ind._value / simTick;
double stampValue = baseValue;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(ind._posNode);
size_t negNodeIndex = result.nodeVectorIndex(ind._negNode);
size_t deviceIndex = result.deviceVectorIndex(ind._devId);
if (isNodeOmitted(sim, ind._posNode) == false) {
A(posNodeIndex, deviceIndex) += 1;
A(deviceIndex, posNodeIndex) += 1;
}
if (isNodeOmitted(sim, ind._negNode) == false) {
A(negNodeIndex, deviceIndex) += -1;
A(deviceIndex, negNodeIndex) += -1;
}
A(deviceIndex, deviceIndex) += -stampValue;
updatebInductorTrap(b, ind, sim);
}
static inline void
stampInductor(Eigen::MatrixXd& A, Eigen::VectorXd& b, const Device& ind,
const Simulator* simulator)
{
IntegrateMethod intMethod = simulator->integrateMethod();
switch (intMethod) {
case IntegrateMethod::BackwardEuler:
stampInductorBE(A, b, ind, simulator);
break;
case IntegrateMethod::Gear2:
stampInductorGear2(A, b, ind, simulator);
break;
case IntegrateMethod::Trapezoidal:
stampInductorTrap(A, b, ind, simulator);
break;
default:
assert(false && "Incorrect integrate method");
}
}
static inline void
updatebInductor(Eigen::VectorXd& b, const Device& ind,
const Simulator* simulator)
{
IntegrateMethod intMethod = simulator->integrateMethod();
switch (intMethod) {
case IntegrateMethod::BackwardEuler:
updatebInductorBE(b, ind, simulator);
break;
case IntegrateMethod::Gear2:
updatebInductorGear2(b, ind, simulator);
break;
case IntegrateMethod::Trapezoidal:
updatebInductorTrap(b, ind, simulator);
break;
default:
assert(false && "Incorrect integrate method");
}
}
static inline double
PWLDataAtTime(const PWLValue& pwlData, double time)
{
if (time < pwlData._time[0]) {
return 0;
}
for (size_t i=1; i<pwlData._time.size(); ++i) {
if (time < pwlData._time[i]) {
double v1 = pwlData._value[i-1];
double v2 = pwlData._value[i];
double t1 = pwlData._time[i-1];
double t2 = pwlData._time[i];
//printf("DEBUG: time %g goes into [%g, %g] interval, voltage: [%g, %g], interpolated voltage: %g\n",
// time, t1, t2, v1, v2, v1 + (v2-v1)/(t2-t1)*(time-t1));
return v1 + (v2-v1)/(t2-t1)*(time-t1);
}
}
return pwlData._value.back();
}
static inline void
updatebVoltageSource(Eigen::VectorXd& b,
const Device& dev,
const Simulator* sim)
{
double value;
const SimResult& result = sim->simulationResult();
if (dev._isPWLValue) {
const PWLValue& pwlData = sim->circuit().PWLData(dev);
value = PWLDataAtTime(pwlData, result.currentTime());
} else {
value = dev._value;
}
size_t deviceIndex = result.deviceVectorIndex(dev._devId);
b(deviceIndex) += value;
}
static inline void
stampVoltageSource(Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& dev,
const Simulator* sim)
{
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._negNode);
size_t deviceIndex = result.deviceVectorIndex(dev._devId);
if (isNodeOmitted(sim, dev._posNode) == false) {
A(posNodeIndex, deviceIndex) += 1;
A(deviceIndex, posNodeIndex) += 1;
}
if (isNodeOmitted(sim, dev._negNode) == false) {
A(negNodeIndex, deviceIndex) += -1;
A(deviceIndex, negNodeIndex) += -1;
}
updatebVoltageSource(b, dev, sim);
}
static inline void
updatebCurrentSource(Eigen::VectorXd& b,
const Device& dev,
const Simulator* sim)
{
double value;
const SimResult& result = sim->simulationResult();
if (dev._isPWLValue) {
const PWLValue& pwlData = sim->circuit().PWLData(dev);
value = PWLDataAtTime(pwlData, result.currentTime());
} else {
value = dev._value;
}
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._negNode);
if (isNodeOmitted(sim, dev._posNode) == false) {
b(posNodeIndex) = -value;
}
if (isNodeOmitted(sim, dev._negNode) == false) {
b(negNodeIndex) = value;
}
}
static inline void
stampCurrentSource(Eigen::MatrixXd& /*A*/, Eigen::VectorXd& b,
const Device& dev, const Simulator* sim)
{
updatebCurrentSource(b, dev, sim);
}
static inline void
stampCCVS(Eigen::MatrixXd& A, Eigen::VectorXd& /*b*/,
const Device& dev, const Simulator* sim)
{
const Device& sampleDevice = sim->circuit().device(dev._sampleDevice);
double value = dev._value;
if (sampleDevice._posNode == dev._negSampleNode) {
value = -value;
}
const SimResult& result = sim->simulationResult();
size_t deviceIndex = result.deviceVectorIndex(dev._devId);
size_t sampleDeviceIndex = result.deviceVectorIndex(dev._sampleDevice);
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t posSampleNodeIndex = result.nodeVectorIndex(dev._posSampleNode);
size_t negSampleNodeIndex = result.nodeVectorIndex(dev._negSampleNode);
if (isNodeOmitted(sim, dev._posNode) == false) {
A(sampleDeviceIndex, posSampleNodeIndex) += 1;
A(posSampleNodeIndex, sampleDeviceIndex) += 1;
A(deviceIndex, posNodeIndex) += 1;
A(posNodeIndex, deviceIndex) += 1;
}
if (isNodeOmitted(sim, dev._negNode) == false) {
A(negSampleNodeIndex, sampleDeviceIndex) += -1;
A(sampleDeviceIndex, negSampleNodeIndex) += -1;
A(deviceIndex, negNodeIndex) += -1;
A(negNodeIndex, deviceIndex) += -1;
}
A(deviceIndex, sampleDeviceIndex) += value;
}
static inline void
stampVCVS(Eigen::MatrixXd& A, Eigen::VectorXd& /*b*/,
const Device& dev, const Simulator* sim)
{
double value = dev._value;
const SimResult& result = sim->simulationResult();
size_t deviceIndex = result.deviceVectorIndex(dev._devId);
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t posSampleNodeIndex = result.nodeVectorIndex(dev._posSampleNode);
size_t negSampleNodeIndex = result.nodeVectorIndex(dev._negSampleNode);
if (isNodeOmitted(sim, dev._posNode) == false) {
A(deviceIndex, posSampleNodeIndex) += -value;
A(deviceIndex, posNodeIndex) += 1;
A(posNodeIndex, deviceIndex) += 1;
}
if (isNodeOmitted(sim, dev._negNode) == false) {
A(deviceIndex, negSampleNodeIndex) += value;
A(deviceIndex, negNodeIndex) += 1;
A(negNodeIndex, deviceIndex) += 1;
}
}
static inline void
stampCCCS(Eigen::MatrixXd& A, Eigen::VectorXd& /*b*/,
const Device& dev, const Simulator* sim)
{
const Device& sampleDevice = sim->circuit().device(dev._sampleDevice);
double value = dev._value;
if (sampleDevice._posNode == dev._negSampleNode) {
value = -value;
}
const SimResult& result = sim->simulationResult();
size_t sampleDeviceIndex = result.deviceVectorIndex(dev._sampleDevice);
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t posSampleNodeIndex = result.nodeVectorIndex(dev._posSampleNode);
size_t negSampleNodeIndex = result.nodeVectorIndex(dev._negSampleNode);
if (isNodeOmitted(sim, dev._posNode) == false) {
A(sampleDeviceIndex, posSampleNodeIndex) += 1;
A(posSampleNodeIndex, sampleDeviceIndex) += 1;
A(posNodeIndex, sampleDeviceIndex) += value;
}
if (isNodeOmitted(sim, dev._posNode) == false) {
A(negSampleNodeIndex, sampleDeviceIndex) += -1;
A(sampleDeviceIndex, negSampleNodeIndex) += -1;
A(negNodeIndex, sampleDeviceIndex) += -value;
}
}
static inline void
stampVCCS(Eigen::MatrixXd& A, Eigen::VectorXd& /*b*/,
const Device& dev, const Simulator* sim)
{
double value = dev._value;
const SimResult& result = sim->simulationResult();
size_t posNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t negNodeIndex = result.nodeVectorIndex(dev._posNode);
size_t posSampleNodeIndex = result.nodeVectorIndex(dev._posSampleNode);
size_t negSampleNodeIndex = result.nodeVectorIndex(dev._negSampleNode);
if (isNodeOmitted(sim, dev._posNode) == false &&
isNodeOmitted(sim, dev._posSampleNode) == false) {
A(posNodeIndex, posSampleNodeIndex) += value;
}
if (isNodeOmitted(sim, dev._posNode) == false &&
isNodeOmitted(sim, dev._negSampleNode) == false) {
A(posNodeIndex, negSampleNodeIndex) += -value;
}
if (isNodeOmitted(sim, dev._negNode) == false &&
isNodeOmitted(sim, dev._posSampleNode) == false) {
A(negNodeIndex, posSampleNodeIndex) += -value;
}
if (isNodeOmitted(sim, dev._negNode) == false &&
isNodeOmitted(sim, dev._negSampleNode) == false) {
A(negNodeIndex, negSampleNodeIndex) += value;
}
}
void
MNAStamper::stamp(Eigen::MatrixXd& A,
Eigen::VectorXd& b,
const Simulator* sim)
{
static void (*stampFunc[static_cast<size_t>(DeviceType::Total)])(
Eigen::MatrixXd& A, Eigen::VectorXd& b,
const Device& dev, const Simulator* sim);
stampFunc[static_cast<size_t>(DeviceType::Resistor)] = stampResistor;
stampFunc[static_cast<size_t>(DeviceType::Capacitor)] = stampCapacitor;
stampFunc[static_cast<size_t>(DeviceType::Inductor)] = stampInductor;
stampFunc[static_cast<size_t>(DeviceType::VoltageSource)] = stampVoltageSource;
stampFunc[static_cast<size_t>(DeviceType::CurrentSource)] = stampCurrentSource;
stampFunc[static_cast<size_t>(DeviceType::VCVS)] = stampVCVS;
stampFunc[static_cast<size_t>(DeviceType::VCCS)] = stampVCCS;
stampFunc[static_cast<size_t>(DeviceType::CCVS)] = stampCCVS;
stampFunc[static_cast<size_t>(DeviceType::CCCS)] = stampCCCS;
const std::vector<Device>& devices = sim->circuit().devices();
for (const Device& device : devices) {
stampFunc[static_cast<size_t>(device._type)](A, b, device, sim);
}
}
void
MNAStamper::updateA(Eigen::FullPivLU<Eigen::MatrixXd>& /*ALU*/, const Simulator* /*sim*/) {
printf("incremental building and LU decomposing A is not supported right now\n");
return;
}
static void
updatebNoop(Eigen::VectorXd& /*b*/,
const Device& /*dev*/,
const Simulator* /*sim*/)
{
return;
}
void
MNAStamper::updateb(Eigen::VectorXd& b, const Simulator* sim)
{
static void (*updatebFunc[static_cast<size_t>(DeviceType::Total)])(
Eigen::VectorXd& b, const Device& dev, const Simulator* sim);
updatebFunc[static_cast<size_t>(DeviceType::Resistor)] = updatebNoop;
updatebFunc[static_cast<size_t>(DeviceType::Capacitor)] = updatebCapacitor;
updatebFunc[static_cast<size_t>(DeviceType::Inductor)] = updatebInductor;
updatebFunc[static_cast<size_t>(DeviceType::VoltageSource)] = updatebVoltageSource;
updatebFunc[static_cast<size_t>(DeviceType::CurrentSource)] = updatebCurrentSource;
updatebFunc[static_cast<size_t>(DeviceType::VCVS)] = updatebNoop;
updatebFunc[static_cast<size_t>(DeviceType::VCCS)] = updatebNoop;
updatebFunc[static_cast<size_t>(DeviceType::CCVS)] = updatebNoop;
updatebFunc[static_cast<size_t>(DeviceType::CCCS)] = updatebNoop;
b.setZero();
const std::vector<Device>& devices = sim->circuit().devices();
for (const Device& device : devices) {
updatebFunc[static_cast<size_t>(device._type)](b, device, sim);
}
}
}