414888b716
Mark some mjData fields as mutable.
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PiperOrigin-RevId: 815819490
Change-Id: I1a62fda556b4197aec451f2747c69f34bab13220
2025-10-06 11:43:38 -07:00
8acd83f317
Add passive collision mode for flexes.
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PiperOrigin-RevId: 801754907
Change-Id: I4147af2ee2596519d42cb9a03cf8d5488f0bc3e8
2025-09-01 04:13:58 -07:00
2b45b39ce5
Move mjtConstraint from mjmodel.h to mjdata.h.
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PiperOrigin-RevId: 798987338
Change-Id: I3117742de7eb3c16366f266fe0c0651262717cb4
2025-08-24 23:45:14 -07:00
d77ecb3f06
Move mjtConstraintState from mjmodel.h to mjdata.h.
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This is the correct location, this enum is only used in `mjData`, not `mjModel`.
PiperOrigin-RevId: 798860951
Change-Id: I48b9a2afc831bd9a6966cc9586429fd03605bdd2
2025-08-24 12:37:54 -07:00
2f28473bc1
Remove transposed Jacobian fields from mjData
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No longer computed unconditionally, only ad-hoc where required.
PiperOrigin-RevId: 797753297
Change-Id: I2030fc342c98ff33575b0526dd72e2110c4fcb74
2025-08-21 07:21:24 -07:00
977f94e9df
Delete sparsity structures from mjData, use the ones in mjModel
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PiperOrigin-RevId: 795067950
Change-Id: If4f52e40ac49f7c6986b33ef9c8b534199dfd21a
2025-08-14 09:13:02 -07:00
249b0cd87d
Improve field order and comments in mjdata.h
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PiperOrigin-RevId: 792642328
Change-Id: I59330e228a111edec9e86d93d5cdf646b0fab00e
2025-08-08 08:52:35 -07:00
23fa7c00d5
Remove usage of size_t types in mjModel, use mjtSize (uint64_t) instead to improve portabilty of MJB files to WASM.
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PiperOrigin-RevId: 789321991
Change-Id: Ic25fab876c347fc75f5ca24cad09e8fd972f035f
2025-07-31 07:08:33 -07:00
89e39dc0a7
Expose mj_makeM as a sub-component.
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PiperOrigin-RevId: 763662068
Change-Id: I55ced456dca751c1de09fb35e2f73c60ffc0d626
2025-05-27 00:35:55 -07:00
e8c566bee1
Remove use of diagnum in solver
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PiperOrigin-RevId: 759021147
Change-Id: I9e5c85b6542380780fc487781398f406ddaad51b
2025-05-15 00:39:28 -07:00
dd28b887d4
Rename C sparse structure to M in mjdata, improve docstrings.
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PiperOrigin-RevId: 758636638
Change-Id: If78acc423601d2911f514929b27f7b6d0af9ef58
2025-05-14 05:26:19 -07:00
79c74d7eae
Add mjData.M, not yet used.
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PiperOrigin-RevId: 758351796
Change-Id: I0786966b2f2c2e699db845cda6940a8821b23f49
2025-05-13 13:28:03 -07:00
1e02d66c3d
Remove M matrix structure from mjData.
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Introduced in March 2025 as a temporary measure, this is not considered a breaking change.
PiperOrigin-RevId: 758311298
Change-Id: Ia08857c18b791f6a62a2d8d136b45fc075507b93
2025-05-13 11:47:18 -07:00
627fffdef9
Switch mjData.{qH,qLD} from full ("M") to reduced ("C") inertia matrix structure.
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PiperOrigin-RevId: 758273074
Change-Id: If1a2e663ea70044694af985e0119afd6d58115ac
2025-05-13 10:20:32 -07:00
755564a348
Remove unused code related to legacy island implementation.
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Also fix a docstring.
PiperOrigin-RevId: 757939564
Change-Id: I3a970fd38c63886d34cd23b1fb45617a9ce5c147
2025-05-12 15:39:16 -07:00
ecb769fc3a
Refactor islands to be memory contiguous.
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PiperOrigin-RevId: 755803476
Change-Id: I41972b07e0d5ef5d0117c94f565b93367b87458b
2025-05-07 05:06:27 -07:00
8f768be2da
Remove solver_nisland field from mjData.
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PiperOrigin-RevId: 750527660
Change-Id: I6b34944c92483ea2abc774df75efd868255a2bac
2025-04-23 03:27:41 -07:00
71a7004057
Fix array extent parsing logic for introspect.
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Also fix the mjxmacro_test to correctly assert that all array extents defined in the X macros can be correctly parsed from field comments.
PiperOrigin-RevId: 747808525
Change-Id: I0b08dc263f8a46118a07200ae044d6c491207245
2025-04-15 04:03:04 -07:00
157b074116
Add signature to mjSpec and mjModel and use it to perform safe bind to mjModel and mjData.
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PiperOrigin-RevId: 740378879
Change-Id: If14b326942529494f172e7aedcae30195798b458
2025-03-25 09:37:49 -07:00
0f563ecf31
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
2025-03-04 17:34:35 -08:00
c72c83aa3b
Allocate qM CSR matrix structure on mjData (currently empty).
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PiperOrigin-RevId: 733247419
Change-Id: I814e574e3161875e89433a6e03f2c9e200d8b1d6
2025-03-04 02:37:47 -08:00
fb07e0d1f7
Convert qLD to CSR format.
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PiperOrigin-RevId: 728196818
Change-Id: I31bdf32e251293284426ed345019f27fd051a0e1
2025-02-18 07:14:45 -08:00
5ee0654830
Roll back recent change to mjData.qLD until some issues are resolved.
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PiperOrigin-RevId: 724389161
Change-Id: I1b30ab0950ab5c5e611b1c6fc3bf3f42f964939c
2025-02-07 10:21:42 -08:00
c27d3758c2
Convert qLD to CSR format.
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PiperOrigin-RevId: 723955038
Change-Id: I30c3dc7f59739e89ae5fff8841432bc74717ec1b
2025-02-06 08:59:35 -08:00
2409a6e537
Add mjData.nA the number of non-zeros in the constraint inverse inertia matrix.
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PiperOrigin-RevId: 714076988
Change-Id: I4c323a6e81dfb23f7972b662719bbcb688bacf4a
2025-01-10 09:23:55 -08:00
b5df2c10bf
Remove mjData.C_diag, no longer required as C is now lower triangular.
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PiperOrigin-RevId: 712514204
Change-Id: I8293f65ebc09c6a8fed76b0e59d2e2a667e01a43
2025-01-06 06:58:19 -08:00
69c9ac074a
Remove mjData.qLDiagSqrtInv, add corresponding argument to mj_solveM2.
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- `qLDiagSqrtInv` is only required for the dual solvers. It is now computed as-needed rather than unconditionally.
- `mj_solveM2` now requires a new input array `sqrtInvD` which contains the square root of the inverse diagonal D (formerly saved in `qLDiagSqrtInv`).
PiperOrigin-RevId: 710805133
Change-Id: I0622d6a8da3882916824e9c10bad9223c122c321
2024-12-30 15:24:36 -08:00
3a14ada308
Store index of diagonal element for C and D in mjData.
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PiperOrigin-RevId: 704287869
Change-Id: I15d1faa0b5c3ff54721f692ec6329726456ec318
2024-12-09 08:01:30 -08:00
aae5fd6906
Add nJmom, the number of non-zeros in sparse actuator_moment matrix, to mjModel.
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PiperOrigin-RevId: 698343986
Change-Id: I3d4a4dea1ec095d4e7b231c2fffc0e6241cee39f
2024-11-20 04:30:47 -08:00
c9f78ad8a8
Rename nnzJ to nJ in mjData.
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This naming is more consistent.
PiperOrigin-RevId: 691858223
Change-Id: Ife3db822afa0b51b30d0792548b35b3742da388a
2024-10-31 10:43:10 -07:00
98478f8811
Minor changes to inline comments in mjModel and mjData headers.
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PiperOrigin-RevId: 688231631
Change-Id: Iae5430142cab256a73a0fb8c698992ceba21b28c
2024-10-21 12:31:15 -07:00
36e8845599
Add actuator_moment Jacobian sparsity pattern to mjData.
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PiperOrigin-RevId: 688124236
Change-Id: Ieccc8131d0046100ec9a2783ffb43dd784f0a63b
2024-10-21 07:11:25 -07:00
ee7b994021
Remove Newton Cholesky factor from mjData arena, rollback of b66da3d369.
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PiperOrigin-RevId: 685726867
Change-Id: Ic2afd0dd35e38f403164d2cbe4618286abfa51ab
2024-10-14 09:07:22 -07:00
b66da3d369
Add mjData.L, sparse Cholesky factor of Newton solver Hessian.
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PiperOrigin-RevId: 683669555
Change-Id: I18d7530b5d68d1d48cb95d4faa0150c434109638
2024-10-08 10:13:08 -07:00
3437361bfb
Add reduced sparse dof-dof matrix structures to mjData.
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PiperOrigin-RevId: 670919263
Change-Id: I3592de802ae84648d97230115c2e9c3437424968
2024-09-04 04:24:02 -07:00
42eb669e4e
Precompute mappings between M <-> D sparse representations.
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PiperOrigin-RevId: 670898353
Change-Id: I4b15477b1b6eb4a64cf7d4a0bb5af8fcb95d4e45
2024-09-04 02:57:13 -07:00
56e00a5d4a
Re-order elements of mjSTATE_FULLPHYSICS. Fixes #1876
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PiperOrigin-RevId: 659267096
Change-Id: Iaf1e13caa989c41179aa0bd635cfa17ac776d06d
2024-08-04 03:32:24 -07:00
ca44ad4f0f
Improve docstrings and layout in mjdata.h
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PiperOrigin-RevId: 649195756
Change-Id: Iadf6589c226acacd9f3e85959de552a98fc7435a
2024-07-03 14:15:51 -07:00
9e9a0c637e
Fix docstring of mjData.arena. Fixes #1753
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PiperOrigin-RevId: 646121139
Change-Id: I46c7fb32b0e705fb3b8301272d7fc55ba0dacd7c
2024-06-24 09:29:12 -07:00
255a59487c
Corrects function reference in class comments.
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PiperOrigin-RevId: 637070006
Change-Id: I0d9dcf0401a107de67cd0a663df6c876287ba772
2024-05-24 16:53:56 -07:00
2feefbc5d2
Remove fine-grained timing from narrow-phase collision functions, delete mjTIMER_COL_MID.
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PiperOrigin-RevId: 599225419
Change-Id: Ieca166753c20a0abf660e2821b2844dda8758951
2024-01-17 10:54:23 -08:00
67a00a3a51
Rename mjMAXTHREADS -> mjMAXTHREAD (consistency).
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PiperOrigin-RevId: 599130235
Change-Id: Ia80379b8ae0574a7cd8fbc668657f806e90d6c5c
2024-01-17 04:33:44 -08:00
1885d518eb
Use the string (rot:lin) in mjdata.h to clarify where 6D motion vectors use the Featherstone convention. Also add clarifying text to the appropriate note in the documentation.
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Fixes #982 .
PiperOrigin-RevId: 589556339
Change-Id: I3e7ff185a089715a386694321d4b89d09d481cf9
2023-12-10 03:27:44 -08:00
8a5e2b19a8
Improve mjContact documentation. Fixes #1136
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PiperOrigin-RevId: 579836970
Change-Id: Ife8dd73eecdbdaacecc1e48460cf6efcf4f7b487
2023-11-06 07:28:51 -08:00
a89412bb4a
Add components of qfrc_passive to mjData: qfrc_{spring, damper, gravcomp, fluid}.
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PiperOrigin-RevId: 576493532
Change-Id: If8eda1a2bb728fe8ab91b8004f97fc729d999ad9
2023-10-25 05:01:45 -07:00
5a70ad08ab
Add Flex component.
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PiperOrigin-RevId: 572830650
Change-Id: I6908228087b7b9683be3506c8d9cdc725ed5dcd5
2023-10-12 10:49:35 +01:00
8af09eb70d
Add timing of collision phases.
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PiperOrigin-RevId: 572273621
Change-Id: Ib9440a996a05e42e00dcf4f1ce487a12f65e999b
2023-10-10 09:27:45 -07:00
ee78b8f76b
Added mjData.eq_active user input variable, for enabling/disabling the state of equality constraints.
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Renamed `mjModel.eq_active` to `mjModel.eq_active0`, which now has the semantic of "initial value of `mjData.eq_active`".
Fixes #876 .
PiperOrigin-RevId: 570410643
Change-Id: Id03171e751377c7cc453f143abee64239ee2e2ed
2023-10-03 09:32:24 -07:00
4f34cacf35
Add maxuse_threadstack to mjData
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PiperOrigin-RevId: 567334177
Change-Id: Ifd772350042e548a63ab269fd68fb5e5fef55831
2023-09-21 09:41:00 -07:00
63fd23a934
Remove mjTIMER_ACCELERATION, add mjTIMER_ADVANCE.
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- mjTIMER_ACCELERATION is not very useful, it's usually very tiny (0.5% for humanoid, 1% for 22humanoids). It basically times a single call to `mj_solveM`.
- Added `mjTIMER_ADVANCE` to time `mj_Euler` and `mj_implicit` (which can be significant).
- Moved `mj_transmission` to `mjTIMER_KINEMATICS` where it belongs (and used to be).
PiperOrigin-RevId: 565936880
Change-Id: I26b8a067133594e5500ca1c809beb3518b4a8d9c
2023-09-16 08:03:45 -07:00
Yuval Tassa