Add mju_gather and mju_scatter, private engine functions.

PiperOrigin-RevId: 750245294 Change-Id: I3a14ccdd55a324d3fe206e388fb2a513772f5f5e
2025-04-22 10:32:42 -07:00
parent 99490163df
commit c2ac0d724e
11 changed files with 58 additions and 55 deletions
@@ -156,6 +156,12 @@ MJAPI void mju_d2n(mjtNum* res, const double* vec, int n);
 // convert from mjtNum to double
 MJAPI void mju_n2d(double* res, const mjtNum* vec, int n);

+// gather
+MJAPI void mju_gather(mjtNum* res, const mjtNum* vec, const int* ind, int n);
+
+// scatter
+MJAPI void mju_scatter(mjtNum* res, const mjtNum* vec, const int* ind, int n);
+
 // insertion sort, increasing order
 MJAPI void mju_insertionSort(mjtNum* list, int n);