Remove inappropriate executable bits and minor reformat of code and changelog.

PiperOrigin-RevId: 416854656
Change-Id: I554d2c5667282567a129d79d91d8f2e97146d6f5

sample/derivative.cc

@@ -22,10 +22,9 @@
 #if defined(_OPENMP)
   #include <omp.h>
 #else
-// omp timer replacement
+  // omp timer replacement
   #include <chrono>
-  double omp_get_wtime(void)
-  {
+  double omp_get_wtime(void) {
     static std::chrono::system_clock::time_point _start = std::chrono::system_clock::now();
     std::chrono::duration<double> elapsed = std::chrono::system_clock::now() - _start;
     return elapsed.count();
@@ -34,8 +33,7 @@
   // omp functions used below
   void omp_set_dynamic(int) {}
   void omp_set_num_threads(int) {}
-  int omp_get_num_procs(void)
-  {
+  int omp_get_num_procs(void) {
     return 1;
   }
 #endif

sample/simulate.cc

@@ -635,18 +635,16 @@ void watch(void) {
   MJDATA_POINTERS_PREAMBLE(m);
 
   // find specified field in mjData arrays, update value
-  #define X(TYPE, NAME, NR, NC)                                               \
-          if( !mju::strcmp_arr(#NAME, settings.field) &&                      \
-              !mju::strcmp_arr(#TYPE, "mjtNum") )                             \
-          {                                                                   \
-              if( settings.index>=0 && settings.index<m->NR*NC )              \
-                  printfield(ui0.sect[SECT_WATCH].item[2].multi.name[0],      \
-                             d->NAME + settings.index);                       \
-              else                                                            \
-                  mju::strcpy_arr(ui0.sect[SECT_WATCH].item[2].multi.name[0], \
-                         "invalid index");                                    \
-              return;                                                         \
-          }
+  #define X(TYPE, NAME, NR, NC)                                                             \
+    if (!mju::strcmp_arr(#NAME, settings.field) &&                                          \
+        !mju::strcmp_arr(#TYPE, "mjtNum")) {                                                \
+      if (settings.index>=0 && settings.index<m->NR*NC) {                                   \
+        printfield(ui0.sect[SECT_WATCH].item[2].multi.name[0], d->NAME + settings.index);   \
+      } else {                                                                              \
+        mju::strcpy_arr(ui0.sect[SECT_WATCH].item[2].multi.name[0], "invalid index");       \
+      }                                                                                     \
+      return;                                                                               \
+    }
 
     MJDATA_POINTERS
   #undef X
@@ -654,7 +652,7 @@ void watch(void) {
 
 
 
-//-------------------------------- UI construction --------------------------------------
+//---------------------------------- UI construction -----------------------------------------------
 
 // make physics section of UI
 void makephysics(int oldstate) {