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Switch mjData.{qH,qLD} from reduced ("C") to full ("M") inertia matrix structure. No performance impact of extra zeros because of existing "simple dof" skipping mechanism.

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PiperOrigin-RevId: 733523931
Change-Id: Ic8d8a152dda5532331c239cb6b4ce7d8d09b7fff
This commit is contained in:
Yuval Tassa
2025-03-04 17:33:48 -08:00
committed by Copybara-Service
parent 51f6aa8b43
commit 0f563ecf31
20 changed files with 95 additions and 98 deletions
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include/mujoco/mjdata.h
+2 -2
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@@ -300,7 +300,7 @@ struct mjData_ {
mjtNum* qM; // total inertia (sparse) (nM x 1)
// computed by mj_fwdPosition/mj_factorM
mjtNum* qLD; // L'*D*L factorization of M (sparse) (nC x 1)
mjtNum* qLD; // L'*D*L factorization of M (sparse) (nM x 1)
mjtNum* qLDiagInv; // 1/diag(D) (nv x 1)
// computed by mj_collisionTree
@@ -333,7 +333,7 @@ struct mjData_ {
mjtNum* subtree_angmom; // angular momentum about subtree com (nbody x 3)
// computed by mj_Euler or mj_implicit
mjtNum* qH; // L'*D*L factorization of modified M (nC x 1)
mjtNum* qH; // L'*D*L factorization of modified M (nM x 1)
mjtNum* qHDiagInv; // 1/diag(D) of modified M (nv x 1)
// computed by mj_resetData