Files
solver/GNN/OndselSolver/DistanceConstraintIqcJqc.cpp
forbes-0023 98051ba0c9 feat: add Phase 1 constraint solver addon, move prior content to GNN/
- Move existing OndselSolver, GNN ML layer, and tooling into GNN/
  directory for integration in later phases
- Add Create addon scaffold: package.xml, Init.py
- Add expression DAG with eval, symbolic diff, simplification
- Add parameter table with fixed/free variable tracking
- Add quaternion rotation as polynomial Expr trees
- Add RigidBody entity (7 DOF: position + unit quaternion)
- Add constraint classes: Coincident, DistancePointPoint, Fixed
- Add Newton-Raphson solver with symbolic Jacobian + numpy lstsq
- Add pre-solve passes: substitution + single-equation
- Add DOF counting via Jacobian SVD rank
- Add KindredSolver IKCSolver bridge for kcsolve integration
- Add 82 unit tests covering all modules

Registers as 'kindred' solver via kcsolve.register_solver() when
loaded by Create's addon_loader.
2026-02-20 20:35:47 -06:00

124 lines
4.7 KiB
C++

/***************************************************************************
* Copyright (c) 2023 Ondsel, Inc. *
* *
* This file is part of OndselSolver. *
* *
* See LICENSE file for details about copyright. *
***************************************************************************/
#include "DistanceConstraintIqcJqc.h"
#include "EndFrameqc.h"
#include "CREATE.h"
#include "DistIeqcJeqc.h"
using namespace MbD;
MbD::DistanceConstraintIqcJqc::DistanceConstraintIqcJqc(EndFrmsptr frmi, EndFrmsptr frmj) : DistanceConstraintIqcJc(frmi, frmj)
{
}
void MbD::DistanceConstraintIqcJqc::calcPostDynCorrectorIteration()
{
DistanceConstraintIqcJc::calcPostDynCorrectorIteration();
pGpXJ = distIeJe->pvaluepXJ();
pGpEJ = distIeJe->pvaluepEJ();
ppGpXIpXJ = distIeJe->ppvaluepXIpXJ();
ppGpEIpXJ = distIeJe->ppvaluepEIpXJ();
ppGpXJpXJ = distIeJe->ppvaluepXJpXJ();
ppGpXIpEJ = distIeJe->ppvaluepXIpEJ();
ppGpEIpEJ = distIeJe->ppvaluepEIpEJ();
ppGpXJpEJ = distIeJe->ppvaluepXJpEJ();
ppGpEJpEJ = distIeJe->ppvaluepEJpEJ();
}
void MbD::DistanceConstraintIqcJqc::fillAccICIterError(FColDsptr col)
{
DistanceConstraintIqcJc::fillAccICIterError(col);
col->atiplusFullVectortimes(iqXJ, pGpXJ, lam);
col->atiplusFullVectortimes(iqEJ, pGpEJ, lam);
auto frmIeqc = std::static_pointer_cast<EndFrameqc>(frmI);
auto frmJeqc = std::static_pointer_cast<EndFrameqc>(frmJ);
auto qXdotI = frmIeqc->qXdot();
auto qEdotI = frmIeqc->qEdot();
auto qXdotJ = frmJeqc->qXdot();
auto qEdotJ = frmJeqc->qEdot();
double sum = 0.0;
sum += pGpXJ->timesFullColumn(frmJeqc->qXddot());
sum += pGpEJ->timesFullColumn(frmJeqc->qEddot());
sum += 2.0 * (qXdotI->transposeTimesFullColumn(ppGpXIpXJ->timesFullColumn(qXdotJ)));
sum += 2.0 * (qEdotI->transposeTimesFullColumn(ppGpEIpXJ->timesFullColumn(qXdotJ)));
sum += qXdotJ->transposeTimesFullColumn(ppGpXJpXJ->timesFullColumn(qXdotJ));
sum += 2.0 * (qXdotI->transposeTimesFullColumn(ppGpXIpEJ->timesFullColumn(qEdotJ)));
sum += 2.0 * (qEdotI->transposeTimesFullColumn(ppGpEIpEJ->timesFullColumn(qEdotJ)));
sum += 2.0 * (qXdotJ->transposeTimesFullColumn(ppGpXJpEJ->timesFullColumn(qEdotJ)));
sum += qEdotJ->transposeTimesFullColumn(ppGpEJpEJ->timesFullColumn(qEdotJ));
col->atiplusNumber(iG, sum);
}
void MbD::DistanceConstraintIqcJqc::fillPosICError(FColDsptr col)
{
DistanceConstraintIqcJc::fillPosICError(col);
col->atiplusFullVectortimes(iqXJ, pGpXJ, lam);
col->atiplusFullVectortimes(iqEJ, pGpEJ, lam);
}
void MbD::DistanceConstraintIqcJqc::fillPosICJacob(SpMatDsptr mat)
{
DistanceConstraintIqcJc::fillPosICJacob(mat);
mat->atijplusFullRow(iG, iqXJ, pGpXJ);
mat->atijplusFullColumn(iqXJ, iG, pGpXJ->transpose());
mat->atijplusFullRow(iG, iqEJ, pGpEJ);
mat->atijplusFullColumn(iqEJ, iG, pGpEJ->transpose());
auto ppGpXIpXJlam = ppGpXIpXJ->times(lam);
mat->atijplusFullMatrix(iqXI, iqXJ, ppGpXIpXJlam);
mat->atijplusTransposeFullMatrix(iqXJ, iqXI, ppGpXIpXJlam);
auto ppGpEIpXJlam = ppGpEIpXJ->times(lam);
mat->atijplusFullMatrix(iqEI, iqXJ, ppGpEIpXJlam);
mat->atijplusTransposeFullMatrix(iqXJ, iqEI, ppGpEIpXJlam);
mat->atijplusFullMatrixtimes(iqXJ, iqXJ, ppGpXJpXJ, lam);
auto ppGpXIpEJlam = ppGpXIpEJ->times(lam);
mat->atijplusFullMatrix(iqXI, iqEJ, ppGpXIpEJlam);
mat->atijplusTransposeFullMatrix(iqEJ, iqXI, ppGpXIpEJlam);
auto ppGpEIpEJlam = ppGpEIpEJ->times(lam);
mat->atijplusFullMatrix(iqEI, iqEJ, ppGpEIpEJlam);
mat->atijplusTransposeFullMatrix(iqEJ, iqEI, ppGpEIpEJlam);
auto ppGpXJpEJlam = ppGpXJpEJ->times(lam);
mat->atijplusFullMatrix(iqXJ, iqEJ, ppGpXJpEJlam);
mat->atijplusTransposeFullMatrix(iqEJ, iqXJ, ppGpXJpEJlam);
mat->atijplusFullMatrixtimes(iqEJ, iqEJ, ppGpEJpEJ, lam);
}
void MbD::DistanceConstraintIqcJqc::fillPosKineJacob(SpMatDsptr mat)
{
DistanceConstraintIqcJc::fillPosKineJacob(mat);
mat->atijplusFullRow(iG, iqXJ, pGpXJ);
mat->atijplusFullRow(iG, iqEJ, pGpEJ);
}
void MbD::DistanceConstraintIqcJqc::fillVelICJacob(SpMatDsptr mat)
{
DistanceConstraintIqcJc::fillVelICJacob(mat);
mat->atijplusFullRow(iG, iqXJ, pGpXJ);
mat->atijplusFullColumn(iqXJ, iG, pGpXJ->transpose());
mat->atijplusFullRow(iG, iqEJ, pGpEJ);
mat->atijplusFullColumn(iqEJ, iG, pGpEJ->transpose());
}
void MbD::DistanceConstraintIqcJqc::init_distIeJe()
{
distIeJe = CREATE<DistIeqcJeqc>::With(frmI, frmJ);
}
void MbD::DistanceConstraintIqcJqc::useEquationNumbers()
{
DistanceConstraintIqcJc::useEquationNumbers();
auto frmJeqc = std::static_pointer_cast<EndFrameqc>(frmJ);
iqXJ = frmJeqc->iqX();
iqEJ = frmJeqc->iqE();
}
std::string MbD::DistanceConstraintIqcJqc::constraintSpec()
{
return "DistanceConstraintIJ";
}