Files
solver/GNN/OndselSolver/DirectionCosineIecJec.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

36 lines
1.1 KiB
C++

/***************************************************************************
* Copyright (c) 2023 Ondsel, Inc. *
* *
* This file is part of OndselSolver. *
* *
* See LICENSE file for details about copyright. *
***************************************************************************/
#include <memory>
#include "DirectionCosineIecJec.h"
#include "EndFramec.h"
using namespace MbD;
DirectionCosineIecJec::DirectionCosineIecJec()
= default;
DirectionCosineIecJec::DirectionCosineIecJec(EndFrmsptr frmi, EndFrmsptr frmj, size_t axisi, size_t axisj) :
KinematicIeJe(frmi, frmj), axisI(axisi), axisJ(axisj)
{
}
void DirectionCosineIecJec::calcPostDynCorrectorIteration()
{
aAjOIe = frmI->aAjOe(axisI);
aAjOJe = frmJ->aAjOe(axisJ);
aAijIeJe = aAjOIe->dot(aAjOJe);
}
double MbD::DirectionCosineIecJec::value()
{
return aAijIeJe;
}