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Migrate mjModel size fields from int to mjtSize.

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This change updates all size-related members within the `mjModel` struct from `int` to `mjtSize`. This allows MuJoCo to handle models with a larger number of elements. Corresponding changes were made to macros, function signatures, and I/O routines to accommodate the new `mjtSize` type.

PiperOrigin-RevId: 860144595
Change-Id: I701c6d607715d240766b6210a9773cd9e4258c59
This commit is contained in:
Yuval Tassa
2026-01-23 09:40:42 -08:00
committed by Copybara-Service
parent 4a64017a5f
commit 30b903b6c0
24 changed files with 832 additions and 802 deletions
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python/mujoco/structs.h
+2 -2
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@@ -1006,7 +1006,7 @@ using _impl::MjSolverStatList;
template <typename T, typename Shape>
std::enable_if_t<std::is_arithmetic_v<T>, pybind11::array_t<T>>
static InitPyArray(Shape&& shape, T* buf, pybind11::handle owner) {
int size = 1;
mjtSize size = 1;
for (const auto& i : shape) {
size *= i;
}
@@ -1043,7 +1043,7 @@ template <typename T, typename Shape>
std::enable_if_t<!std::is_arithmetic_v<T> && !is_mj_struct_list_v<T>,
pybind11::tuple>
static InitPyArray(Shape&& shape, T* buf, pybind11::handle owner) {
int size = 1;
mjtSize size = 1;
for (const auto& i : shape) {
size *= i;
}