Cleanup: spelling, repeated words

intern/cycles/kernel/kernel_queues.h

@@ -73,7 +73,7 @@ ccl_device void enqueue_ray_index_local(
     int queue_number,  /* Queue in which to enqueue ray index. */
     char enqueue_flag, /* True for threads whose ray index has to be enqueued. */
     int queuesize,     /* queue size. */
-    ccl_local_param unsigned int *local_queue_atomics, /* To to local queue atomics. */
+    ccl_local_param unsigned int *local_queue_atomics, /* To do local queue atomics. */
     ccl_global int *Queue_data,                        /* Queues. */
     ccl_global int *Queue_index)                       /* To do global queue atomics. */
 {

intern/cycles/render/light.h

@@ -79,7 +79,7 @@ class Light : public Node {
 
   void tag_update(Scene *scene);
 
-  /* Check whether the light has contribution the the scene. */
+  /* Check whether the light has contribution the scene. */
   bool has_contribution(Scene *scene);
 };
 

intern/ghost/intern/GHOST_EventButton.h

@@ -37,7 +37,7 @@ class GHOST_EventButton : public GHOST_Event {
    * \param time      The time this event was generated.
    * \param type      The type of this event.
    * \param window: The window of this event.
-   * \param button: The state of the buttons were at at the time of the event.
+   * \param button: The state of the buttons were at the time of the event.
    */
   GHOST_EventButton(GHOST_TUns64 time,
                     GHOST_TEventType type,

intern/ghost/intern/GHOST_EventCursor.h

@@ -36,8 +36,8 @@ class GHOST_EventCursor : public GHOST_Event {
    * Constructor.
    * \param msec      The time this event was generated.
    * \param type      The type of this event.
-   * \param x         The x-coordinate of the location the cursor was at at the time of the event.
-   * \param y         The y-coordinate of the location the cursor was at at the time of the event.
+   * \param x         The x-coordinate of the location the cursor was at the time of the event.
+   * \param y         The y-coordinate of the location the cursor was at the time of the event.
    */
   GHOST_EventCursor(GHOST_TUns64 msec,
                     GHOST_TEventType type,

intern/ghost/intern/GHOST_EventDragnDrop.h

@@ -69,8 +69,8 @@ class GHOST_EventDragnDrop : public GHOST_Event {
    * \param type      The type of this event.
    * \param dataType  The type of the drop candidate object
    * \param window    The window where the event occurred
-   * \param x         The x-coordinate of the location the cursor was at at the time of the event.
-   * \param y         The y-coordinate of the location the cursor was at at the time of the event.
+   * \param x         The x-coordinate of the location the cursor was at the time of the event.
+   * \param y         The y-coordinate of the location the cursor was at the time of the event.
    * \param data      The "content" dropped in the window
    */
   GHOST_EventDragnDrop(GHOST_TUns64 time,

intern/libmv/libmv/autotrack/frame_accessor.h

@@ -83,7 +83,7 @@ struct FrameAccessor {
   //
   // Result is supposed to be a single channel image.
   //
-  // If region is NULL, it it assumed to be full-frame.
+  // If region is NULL, it assumed to be full-frame.
   virtual Key GetMaskForTrack(int clip,
                               int frame,
                               int track,

intern/utfconv/utfconv.h

@@ -30,14 +30,14 @@ extern "C" {
 #endif
 
 /**
- * Counts how many bytes is requered for for future utf-8 string using utf-16
+ * Counts how many bytes is required for future utf-8 string using utf-16
  * \param string16: pointer to working utf-16 string
  * \return How many bytes must be allocated includeng NULL.
  */
 size_t count_utf_8_from_16(const wchar_t *string16);
 
 /**
- * Counts how many wchar_t (two byte) is requered for for future utf-16 string using utf-8
+ * Counts how many wchar_t (two byte) is required for future utf-16 string using utf-8
  * \param string8: pointer to working utf-8 string
  * \return How many bytes must be allocated includeng NULL.
  */

source/blender/blenkernel/BKE_blender_version.h

@@ -37,7 +37,7 @@
 #define BLENDER_VERSION_CHAR
 /** alpha/beta/rc/release, docs use this. */
 #define BLENDER_VERSION_CYCLE alpha
-/** Optionally set to 1,2,... for example to to get alpha1 or rc2. */
+/** Optionally set to 1,2,... for example to get alpha1 or rc2. */
 #define BLENDER_VERSION_CYCLE_NUMBER
 
 /** Defined in from blender.c */

source/blender/blenkernel/intern/curveprofile.c

@@ -199,9 +199,11 @@ CurveProfilePoint *BKE_curveprofile_insert(CurveProfile *profile, float x, float
   return new_pt;
 }
 
-/** Sets the handle type of the selected control points.
- * \param type_*: Either HD_VECT or HD_AUTO. Handle types for the first and second handles.
- * \note: Requires curveprofile_update call after. */
+/**
+ * Sets the handle type of the selected control points.
+ * \param type_1, type_2: Either HD_VECT or HD_AUTO. Handle types for the first and second handles.
+ * \note: Requires curveprofile_update call after.
+ */
 void BKE_curveprofile_selected_handle_set(CurveProfile *profile, int type_1, int type_2)
 {
   for (int i = 0; i < profile->path_len; i++) {

source/blender/blenkernel/intern/gpencil.c

@@ -510,8 +510,8 @@ bGPDstroke *BKE_gpencil_add_stroke_existing_style(
     bGPDframe *gpf, bGPDstroke *existing, int mat_idx, int totpoints, short thickness)
 {
   bGPDstroke *gps = BKE_gpencil_add_stroke(gpf, mat_idx, totpoints, thickness);
-  /* Copy runtime color data so that strokes added in the modifier has the style.
-   * There are depsgrapgh reference pointers inside,
+  /* Copy run-time color data so that strokes added in the modifier has the style.
+   * There are depsgraph reference pointers inside,
    * change the copy function if interfere with future drawing implementation. */
   memcpy(&gps->runtime, &existing->runtime, sizeof(bGPDstroke_Runtime));
   return gps;

source/blender/blenkernel/intern/particle.c

@@ -2965,7 +2965,7 @@ void psys_cache_paths(ParticleSimulationData *sim, float cfra, const bool use_re
     /*--get the first data points--*/
     init_particle_interpolation(sim->ob, sim->psys, pa, &pind);
 
-    /* hairmat is needed for for non-hair particle too so we get proper rotations */
+    /* 'hairmat' is needed for non-hair particle too so we get proper rotations. */
     psys_mat_hair_to_global(sim->ob, psmd->mesh_final, psys->part->from, pa, hairmat);
     copy_v3_v3(rotmat[0], hairmat[2]);
     copy_v3_v3(rotmat[1], hairmat[1]);

source/blender/blenkernel/intern/subdiv_deform.c

@@ -193,8 +193,7 @@ void BKE_subdiv_deform_coarse_vertices(struct Subdiv *subdiv,
 {
   BKE_subdiv_stats_begin(&subdiv->stats, SUBDIV_STATS_SUBDIV_TO_MESH);
   /* Make sure evaluator is up to date with possible new topology, and that
-   * is is refined for the new positions of coarse vertices.
-   */
+   * is refined for the new positions of coarse vertices. */
   if (!BKE_subdiv_eval_update_from_mesh(subdiv, coarse_mesh, vertex_cos)) {
     /* This could happen in two situations:
      * - OpenSubdiv is disabled.

source/blender/blenkernel/intern/subdiv_mesh.c

@@ -1164,8 +1164,7 @@ Mesh *BKE_subdiv_to_mesh(Subdiv *subdiv,
 {
   BKE_subdiv_stats_begin(&subdiv->stats, SUBDIV_STATS_SUBDIV_TO_MESH);
   /* Make sure evaluator is up to date with possible new topology, and that
-   * is is refined for the new positions of coarse vertices.
-   */
+   * it is refined for the new positions of coarse vertices. */
   if (!BKE_subdiv_eval_update_from_mesh(subdiv, coarse_mesh, NULL)) {
     /* This could happen in two situations:
      * - OpenSubdiv is disabled.

source/blender/blenlib/intern/math_geom.c

@@ -3070,7 +3070,7 @@ bool isect_ray_ray_epsilon_v3(const float ray_origin_a[3],
   cross_v3_v3v3(n, ray_direction_b, ray_direction_a);
   const float nlen = len_squared_v3(n);
 
-  /* `nlen` is the the square of the area formed by the two vectors. */
+  /* `nlen` is the square of the area formed by the two vectors. */
   if (UNLIKELY(nlen < epsilon)) {
     /* The lines are parallel. */
     return false;

source/blender/blenloader/intern/versioning_cycles.c

@@ -1135,7 +1135,7 @@ static void update_voronoi_node_coloring(bNodeTree *ntree)
 }
 
 /* Previously, the output euclidean distance was actually the squared
- * euclidean distance. To fix this, we square the the output distance
+ * euclidean distance. To fix this, we square the output distance
  * socket if the distance metric is set to SHD_VORONOI_EUCLIDEAN.
  */
 static void update_voronoi_node_square_distance(bNodeTree *ntree)

source/blender/bmesh/operators/bmo_subdivide_edgering.c

@@ -203,7 +203,7 @@ finally:
 static GSet *bm_edgering_pair_calc(BMesh *bm, ListBase *eloops_rim)
 {
   /**
-   * Method for for finding pairs:
+   * Method for finding pairs:
    *
    * - first create (vert -> eloop) mapping.
    * - loop over all eloops.

source/blender/bmesh/tools/bmesh_bevel.c

@@ -4290,7 +4290,7 @@ static VMesh *adj_vmesh(BevelParams *bp, BevVert *bv)
 
   /* To place the center vertex:
    * 'negative_fullest' is the reflection of the original vertex across the boundverts' center.
-   * 'fullness' is the fraction of the way from the boundvert's centroid to to the original vertex
+   * 'fullness' is the fraction of the way from the boundvert's centroid to the original vertex
    * (if positive) or to negative_fullest (if negative). */
   copy_v3_v3(original_vertex, bv->v->co);
   sub_v3_v3v3(negative_fullest, boundverts_center, original_vertex);
@@ -4795,9 +4795,9 @@ static VMesh *square_out_adj_vmesh(BevelParams *bp, BevVert *bv)
     if (odd) {
       ang = 0.5f * angle_v3v3v3(bndv->nv.co, co1, bndv->next->nv.co);
       if (ang > BEVEL_SMALL_ANG) {
-        /* finalfrac is length along arms of isoceles triangle with top angle 2*ang
+        /* finalfrac is length along arms of isosceles triangle with top angle 2*ang
          * such that the base of the triangle is 1.
-         * This is used in interpolation along centerline in odd case.
+         * This is used in interpolation along center-line in odd case.
          * To avoid too big a drop from bv, cap finalfrac a 0.8 arbitrarily */
         finalfrac = 0.5f / sinf(ang);
         if (finalfrac > 0.8f) {
@@ -5506,7 +5506,7 @@ static void build_vmesh(BevelParams *bp, BMesh *bm, BevVert *bv)
   bndv = vm->boundstart;
   do {
     i = bndv->index;
-    /* bndv's last vert along the boundary arc is the the first of the next BoundVert's arc. */
+    /* bndv's last vert along the boundary arc is the first of the next BoundVert's arc. */
     copy_mesh_vert(vm, i, 0, ns, bndv->next->index, 0, 0);
 
     /* Fix the profile orientations if it's not a miter profile. */
@@ -6906,7 +6906,7 @@ static void find_even_superellipse_chords(int n, float r, double *xvals, double
 }
 
 /** Find the profile's "fullness," which is the fraction of the space it takes up way from the
- * boundvert's centroid to to the original vertex for a non-custom profile, or in the case of a
+ * boundvert's centroid to the original vertex for a non-custom profile, or in the case of a
  * custom profile, the average "height" of the profile points along its centerline. */
 static float find_profile_fullness(BevelParams *bp)
 {

source/blender/depsgraph/intern/depsgraph.cc

@@ -290,7 +290,7 @@ ID *Depsgraph::get_cow_id(const ID *id_orig) const
      * already a copy-on-write version or have a corresponding copy-on-write
      * version.
      *
-     * We try to enforce that in debug builds, for for release we play a bit
+     * We try to enforce that in debug builds, for release we play a bit
      * safer game here. */
     if ((id_orig->tag & LIB_TAG_COPIED_ON_WRITE) == 0) {
       /* TODO(sergey): This is nice sanity check to have, but it fails

source/blender/depsgraph/intern/eval/deg_eval_copy_on_write.cc

@@ -837,7 +837,7 @@ int foreach_libblock_validate_callback(void *user_data,
   if (*id_p != NULL) {
     if (!check_datablock_expanded(*id_p)) {
       data->is_valid = false;
-      /* TODO(sergey): Store which is is not valid? */
+      /* TODO(sergey): Store which is not valid? */
     }
   }
   return IDWALK_RET_NOP;

source/blender/editors/mesh/editmesh_select.c

@@ -2917,7 +2917,7 @@ bool EDBM_select_interior_faces(BMEditMesh *em)
               SWAP(int, i_a, i_b);
             }
 
-            /* Merge the the groups. */
+            /* Merge the groups. */
             LISTBASE_FOREACH (LinkData *, n, &fgroup_listbase[i_b]) {
               BMFace *f_iter = n->data;
               BM_elem_index_set(f_iter, i_a);

source/blender/editors/object/object_add.c

@@ -2735,7 +2735,7 @@ void OBJECT_OT_duplicate(wmOperatorType *ot)
 /* -------------------------------------------------------------------- */
 /** \name Add Named Object Operator
  *
- * Use for for drag & drop.
+ * Use for drag & drop.
  * \{ */
 
 static int add_named_exec(bContext *C, wmOperator *op)

source/blender/editors/screen/screen_ops.c

@@ -4263,8 +4263,7 @@ static int match_region_with_redraws(int spacetype,
         break;
       case SPACE_ACTION:
         /* if only 1 window or 3d windows, we do timeline too
-         * NOTE: Now we do do action editor in all these cases, since timeline is here
-         */
+         * NOTE: Now we do action editor in all these cases, since timeline is here. */
         if ((redraws & (TIME_ALL_ANIM_WIN | TIME_REGION | TIME_ALL_3D_WIN)) || from_anim_edit) {
           return 1;
         }

source/blender/editors/space_view3d/view3d_fly.c

@@ -146,7 +146,7 @@ typedef struct FlyInfo {
   struct Depsgraph *depsgraph;
   Scene *scene;
 
-  /** Needed for for updating that isn't triggered by input. */
+  /** Needed for updating that isn't triggered by input. */
   wmTimer *timer;
 
   short state;

source/blender/editors/space_view3d/view3d_walk.c

@@ -191,7 +191,7 @@ typedef struct WalkInfo {
   struct Depsgraph *depsgraph;
   Scene *scene;
 
-  /** Needed for for updating that isn't triggered by input. */
+  /** Needed for updating that isn't triggered by input. */
   wmTimer *timer;
 
   short state;

source/blender/editors/transform/transform_generics.c

@@ -1677,7 +1677,7 @@ void initTransInfo(bContext *C, TransInfo *t, wmOperator *op, const wmEvent *eve
       ((prop = RNA_struct_find_property(op->ptr, "orient_matrix")) &&
        RNA_property_is_set(op->ptr, prop)) &&
       ((t->flag & T_MODAL) ||
-       /* When using redo, don't use the the custom constraint matrix
+       /* When using redo, don't use the custom constraint matrix
         * if the user selects a different orientation. */
        (RNA_enum_get(op->ptr, "orient_type") == RNA_enum_get(op->ptr, "orient_matrix_type")))) {
     RNA_property_float_get_array(op->ptr, prop, &t->spacemtx[0][0]);

source/blender/gpu/GPU_vertex_format.h

@@ -75,7 +75,7 @@ typedef struct GPUVertAttr {
 
 BLI_STATIC_ASSERT(GPU_VERT_ATTR_NAMES_BUF_LEN <= 256,
                   "We use uchar as index inside the name buffer "
-                  "so GPU_VERT_ATTR_NAMES_BUF_LEN needs to be be "
+                  "so GPU_VERT_ATTR_NAMES_BUF_LEN needs to be "
                   "smaller than GPUVertFormat->name_offset and "
                   "GPUVertAttr->names maximum value");
 

source/blender/makesdna/DNA_object_types.h

@@ -609,7 +609,7 @@ enum {
 #define BA_TEMP_TAG (1 << 5)
 
 /**
- * Even if this is is tagged for transform, this flag means it's being locked in place.
+ * Even if this is tagged for transform, this flag means it's being locked in place.
  * Use for #SCE_XFORM_SKIP_CHILDREN.
  */
 #define BA_TRANSFORM_LOCKED_IN_PLACE (1 << 7)

source/blender/makesdna/DNA_windowmanager_types.h

@@ -530,7 +530,7 @@ enum {
    *
    * This difference can be important because previous settings may be used,
    * even with #PROP_SKIP_SAVE the repeat last operator will use the previous settings.
-   * Unlike #OP_IS_REPEAT the selection (and context generally) may be be different each time.
+   * Unlike #OP_IS_REPEAT the selection (and context generally) may be different each time.
    * See T60777 for an example of when this is needed.
    */
   OP_IS_REPEAT_LAST = (1 << 1),

source/blender/makesrna/intern/rna_scene.c

@@ -2684,7 +2684,7 @@ static void rna_def_tool_settings(BlenderRNA *brna)
   PropertyRNA *prop;
 
   /* the construction of this enum is quite special - everything is stored as bitflags,
-   * with 1st position only for for on/off (and exposed as boolean), while others are mutually
+   * with 1st position only for on/off (and exposed as boolean), while others are mutually
    * exclusive options but which will only have any effect when autokey is enabled
    */
   static const EnumPropertyItem auto_key_items[] = {

source/blender/nodes/intern/node_common.c

@@ -271,7 +271,7 @@ static void node_reroute_inherit_type_recursive(bNodeTree *ntree, bNode *node, i
   const char *type_idname = nodeStaticSocketType(type, PROP_NONE);
 
   /* XXX it would be a little bit more efficient to restrict actual updates
-   * to rerout nodes connected to an updated node, but there's no reliable flag
+   * to reroute nodes connected to an updated node, but there's no reliable flag
    * to indicate updated nodes (node->update is not set on linking).
    */