e56b31e98f
Reduce flexedge_J size from nflexedge x nv to the effective sparse size.
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PiperOrigin-RevId: 856290141
Change-Id: Ide297d1b6f0e3aa07e3e20bf9ab44b6501097695
2026-01-14 11:18:41 -08:00
a49576e469
Move flexedge sparse Jacobian indices to mjModel.
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PiperOrigin-RevId: 855718305
Change-Id: Ic136f4efa6735b934288f65c332d71ee8b0f6da5
2026-01-13 07:33:17 -08:00
19e2d0ae2f
Add mj_fwdKinematics and a table improving documentation of the MuJoCo computation pipeline structure.
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PiperOrigin-RevId: 838768130
Change-Id: I1a22d5cdca7db704ba4cea1667fcbecb16b87005
2025-12-01 07:39:00 -08:00
769f37b653
Implement sleeping in engine
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PiperOrigin-RevId: 829361787
Change-Id: I6f64d8e25c4248cf32c18cd94d37ff5def78946e
2025-11-07 03:33:07 -08:00
edbdb5195c
Change MuJoCo engine source code function-spacing convention from 3 blank lines to 2
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PiperOrigin-RevId: 813754244
Change-Id: I6836e41c3b021cb727e922c25c60f629b9814c93
2025-10-01 07:58:17 -07:00
4bbe4e5ebc
Zero actuator_velocity if actuation is disabled.
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PiperOrigin-RevId: 809986353
Change-Id: Ie9fecda80864fef3377074042fd7829af8d03d64
2025-09-22 06:24:43 -07:00
b9900db00e
Extract memory allocation functions and core utilities
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PiperOrigin-RevId: 801745499
Change-Id: Iaf05c3430769d3115743d8ab020d13148cb2eb59
2025-09-01 03:38:25 -07:00
b092563cab
Remove mjDSBL_PASSIVE, split it into mjDSBL_SPRING and mjDSBL_DAMPING.
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PiperOrigin-RevId: 800870384
Change-Id: I273e0ceec090901e2620febb67e57914928e94bb
2025-08-29 06:06:28 -07:00
ec94bb49aa
Make constraint island discovery on by default.
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Also fix latent bug in mjData serialization.
PiperOrigin-RevId: 799505349
Change-Id: I299e7cc8133fa2ec0b339a7ff3d02543e06778b1
2025-08-26 04:27:24 -07:00
c7a82c32dc
Do not update qacc_warmstart at the end of the solver call; instead, update it at the same time as all other state variables. This change makes mj_forward idempotent.
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See changelog herein for motivation and discussion.
PiperOrigin-RevId: 797392841
Change-Id: If50e9f09e1d07e8363169d3589c32097aeca2432
2025-08-20 11:30:13 -07:00
6b41fbe72a
Use CSR matrices for dof-dof index mappings
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PiperOrigin-RevId: 795895311
Change-Id: I1000e0ee98906ef35990e73236e85d6354487b82
2025-08-16 13:06:32 -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
57b3d6d0f4
Make island discovery compatible with flex
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PiperOrigin-RevId: 777490642
Change-Id: Iae2f4e8297cc24bded833e04ebfe32895f3a5460
2025-06-30 03:16:57 -07:00
94803d772c
Enable multithreading of Newton solver.
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PiperOrigin-RevId: 760723081
Change-Id: Ib7d3c9cec2fdf7dd0e46a570f37c0a6fc5424c7b
2025-05-19 12:18:22 -07:00
d8bebdc675
Remove unnecessary diagnum argument in mj_solveLD and mj_factorI
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PiperOrigin-RevId: 758669364
Change-Id: Icfefc4a7a1e7d28da373725358ccf9d5f589f689
2025-05-14 07:13:27 -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
1165018f71
Add island support to Newton solver
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PiperOrigin-RevId: 758618486
Change-Id: I257d78c7dc9aa4dbf7cd6d8849d8ec48201edf24
2025-05-14 04:20:34 -07:00
4186589738
Use mjData.M where appropriate
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PiperOrigin-RevId: 758374391
Change-Id: I9de7af7be8e41b5c300d0a04ea99082b4cefdec6
2025-05-13 14:22:41 -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
85dd78d6f3
Add private function mj_makeM.
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PiperOrigin-RevId: 757689756
Change-Id: Ie8bb49d9f18a95da2e3fd8622e30f9266a1ced98
2025-05-12 03:52:38 -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
1766a388cc
Improve warmstarting if island structure exists.
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PiperOrigin-RevId: 752901506
Change-Id: I062d14df7da7d9dc1a2c1c30a16d0db7215af336
2025-04-29 15:18:14 -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
c2ac0d724e
Add mju_gather and mju_scatter, private engine functions.
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PiperOrigin-RevId: 750245294
Change-Id: I3a14ccdd55a324d3fe206e388fb2a513772f5f5e
2025-04-22 10:33:33 -07:00
96dda6ea75
Add tendon actuator force limits and tendon actuator force sensor.
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PiperOrigin-RevId: 745096883
Change-Id: Ib9acb727fbbfc6b0b0323ee6a889053a7a878056
2025-04-08 05:16:35 -07:00
d05251af2a
Add tendon armature
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PiperOrigin-RevId: 743939992
Change-Id: I587214f5d6fabbc0cc273c33d82decbe9ad8f919
2025-04-04 07:44:04 -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
b516edae1b
Rename inertia factorization routines:
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```
mj_factorI -> mj_factorI_legacy
mj_solveLD -> mj_solveLD_legacy
mj_factorIs -> mj_factorI
mj_solveLDs -> mj_solveLD
```
PiperOrigin-RevId: 728246367
Change-Id: I3bc7804cb96faac2ae5419ba9abfc3c1648ed4c6
2025-02-18 09:42:05 -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
240a7afdee
Add sensors for potential and kinetic energy.
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PiperOrigin-RevId: 716775375
Change-Id: Ic8ab7f1a51df970ab551dabe7c797cde13cd97fd
2025-01-17 13:10:12 -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
8cb253b6ca
Fix typos.
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PiperOrigin-RevId: 710678815
Change-Id: Iab6f603f8f4d782ac7f34140add39e1f37625167
2024-12-30 04:15:29 -08:00
2691887500
Add engine-internal convenience macro for allocating typed arrays, improve error message.
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PiperOrigin-RevId: 705126655
Change-Id: I2bd8fada6d33a919d2fb82297f93ac57958355a4
2024-12-11 09:04:44 -08:00
537fc2ff45
Use diagonal index to speed up mju_solveLUSparse.
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PiperOrigin-RevId: 704303282
Change-Id: I72c3fbcd31a5564fc792b73efe9d12a151b4d60f
2024-12-09 08:53:25 -08:00
a51f346059
Use sparse (uncompressed) actuator_moment in mj_transmission.
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PiperOrigin-RevId: 692179704
Change-Id: Ic30ac5a98dc13de2028e378df65dc88ba3912bf5
2024-11-01 08:06:28 -07:00
e4d4153352
Move sanitizer instrumentation to a separate header file. Fixes #2049 .
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PiperOrigin-RevId: 672986547
Change-Id: I42522f4925237a73168e965364a2dd65c0f067cb
2024-09-10 09:05:35 -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
b2018ff506
Replace function with static array in engine_forward.c
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PiperOrigin-RevId: 663268322
Change-Id: Ibd161a8eda55fc04cf37e465f0d0ac0adcfc7847
2024-08-15 05:11:38 -07:00
24a555062d
Rename mjDSBL_AUTORESETNAN to mjDSBL_AUTORESET.
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- Expose in MJCF.
- Add documentation.
- Improve handling in simulate.
PiperOrigin-RevId: 657606140
Change-Id: I6a27c2f4842d7d4ae32642f2a6255e5f8f1f605a
2024-07-30 08:41:59 -07:00
f62792594f
Add a new disable flag mjDSBL_AUTORESETNAN.
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PiperOrigin-RevId: 654677473
Change-Id: Id92383fe413729bf6697353aa6e0bc8a946ec7e8
2024-07-22 03:22:41 -07:00
3ddf1b492a
Fix control reaches end of non-void function in engine_forward.c
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PiperOrigin-RevId: 627104708
Change-Id: I790b2bd22fd83ed616605a35f3e7268e28c73aa6
2024-04-22 11:36:39 -07:00
8ebc9ed2c8
Add mjModel.ngravcomp, number of bodies with nonzero gravcomp attribute.
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PiperOrigin-RevId: 627087335
Change-Id: Ie85ae4150962463b8a8c8435fec068c44877aa16
2024-04-22 10:45:43 -07:00
47ba72ea59
Add actuatorgravcomp joint attribute, to treat gravity compensation forces as applied by actuators, rather than passive buoyancy.
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PiperOrigin-RevId: 620049593
Change-Id: I2c8a9dc152c087b408e4f904838034271a7dd910
2024-03-28 14:01:52 -07:00
a8db22f0d0
Add local vector clamping function in engine_forward.c
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PiperOrigin-RevId: 619948315
Change-Id: Ie4b92f5c8facaa2c169f01982940e84a0248b9c9
2024-03-28 08:57:34 -07:00
f2025c6abf
Allow plugin actuators to have activation state.
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Accept new attributes on the plugin/actuator tag:
- dyntype
- dynprm
- actlimited
- actrange
- actearly
This addresses some of the requests in #1098 .
PiperOrigin-RevId: 584866281
Change-Id: I4f7559e446888216093efba4ced9119cfc0528a4
2023-11-23 05:14:03 -08:00
893c404230
Runtime disabling of actuators according to group.
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Added `option-actuatorgroupdisable` attribute and associated `mjOption.disableactuator` integer bitfield, used to disable sets of actuators at runtime according to their group.
- The first 6 actuator groups are toggleable in the `simulate` viewer.
- Minor refactor and cleanup of actuator documentation.
https://youtu.be/H9qG9Zf2W44
Fixes #1092 .
PiperOrigin-RevId: 578335600
Change-Id: I4cf663b90ea768e4380acfa2fe3b8c15c7cbb568
2023-10-31 16:24:38 -07:00
d0bdb78207
Disable island discovery for models with flexes.
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PiperOrigin-RevId: 574244981
Change-Id: I7c08b23cf5f29338a04ec684ad7a0d4d8a0397df
2023-10-17 13:17:24 -07:00
a9ee497e33
Add spaces around comparison operators.
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PiperOrigin-RevId: 573620198
Change-Id: Icf295cc0dd381a4a7f0e2c94f2e12b499193e862
2023-10-15 07:40:10 -07:00
Alessio Quaglino