diff --git a/include/sway/layout.h b/include/sway/layout.h
index d7fe748d..c51fece9 100644
--- a/include/sway/layout.h
+++ b/include/sway/layout.h
@@ -76,5 +76,9 @@ void swayc_log(log_importance_t verbosity, swayc_t *cont, const char* format, ..
 enum swayc_layouts default_layout(swayc_t *output);
 
 bool is_auto_layout(enum swayc_layouts layout);
+int auto_group_start_index(swayc_t *container, int index);
+int auto_group_end_index(swayc_t *container, int index);
+size_t auto_group_count(swayc_t *container);
+size_t auto_group_index(swayc_t *container, int index);
 
 #endif
diff --git a/sway/commands/resize.c b/sway/commands/resize.c
index 1c052286..c391945f 100644
--- a/sway/commands/resize.c
+++ b/sway/commands/resize.c
@@ -62,100 +62,6 @@ static bool resize_floating(int amount, bool use_width) {
 	return false;
 }
 
-/**
- * Return the number of children in the slave groups. This corresponds to the children
- * that are not members of the master group.
- */
-static inline size_t auto_slave_count(swayc_t *container) {
-	return container->children->length - container->nb_master;
-
-}
-
-/**
- * given the index of a container's child, return the index of the first child of the group
- * which index is a member of.
- */
-static int auto_group_start_index(swayc_t *container, int index) {
-	if (index < 0 || ! is_auto_layout(container->layout)
-		|| (size_t) index < container->nb_master) {
-		return 0;
-	} else {
-		size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
-		size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
-		int start_idx;
-		int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
-		if (index < idx2) {
-			start_idx = ((index - container->nb_master) / grp_sz) * grp_sz + container->nb_master;
-		} else {
-			start_idx = idx2 + ((index - idx2) / (grp_sz + 1)) * (grp_sz + 1);
-		}
-		return MIN(start_idx, container->children->length);
-	}
-}
-
-/**
- * given the index of a container's child, return the index of the first child of the group
- * that follows the one which index is a member of.
- * This makes the function usable to walk through the groups in a container.
- */
-static int auto_group_end_index(swayc_t *container, int index) {
-	if (index < 0 || ! is_auto_layout(container->layout)) {
-		return container->children->length;
-	} else {
-		int nxt_idx;
-		if ((size_t)index < container->nb_master) {
-			nxt_idx = container->nb_master;
-		} else {
-			size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
-			size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
-			int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
-			if (index < idx2) {
-				nxt_idx = ((index - container->nb_master) / grp_sz + 1) * grp_sz + container->nb_master;
-			} else {
-				nxt_idx = idx2 + ((index - idx2) / (grp_sz + 1) + 1) * (grp_sz + 1);
-			}
-		}
-		return MIN(nxt_idx, container->children->length);
-	}
-}
-
-/**
- * Return the combined number of master and slave groups in the container.
- */
-static inline size_t auto_group_count(swayc_t *container) {
-	return MIN(container->nb_slave_groups, auto_slave_count(container)) + (container->nb_master ? 1 : 0);
-}
-
-/**
- * return the index of the Group containing <index>th child of <container>.
- * The index is the order of the group along the container's major axis (starting at 0).
- */
-static size_t auto_group_index(swayc_t *container, int index) {
-	if (index < 0) {
-		return 0;
-	}
-	bool master_first = (container->layout == L_AUTO_LEFT || container->layout == L_AUTO_TOP);
-	int nb_slaves = auto_slave_count(container);
-	if ((size_t) index < container->nb_master) {
-		if (master_first || nb_slaves <= 0) {
-			return 0;
-		} else {
-			return MIN(container->nb_slave_groups, nb_slaves);
-		}
-	} else {
-		size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
-		size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
-		size_t grp_idx;
-		int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
-		if (index < idx2) {
-			grp_idx = (index - container->nb_master) / grp_sz;
-		} else {
-			grp_idx = (container->nb_slave_groups - remainder) + (index - idx2) / (grp_sz + 1) ;
-		}
-		return grp_idx + (master_first ? 1 : 0);
-	}
-}
-
 static bool resize_tiled(int amount, bool use_width) {
 	swayc_t *container = get_focused_view(swayc_active_workspace());
 	swayc_t *parent = container->parent;
@@ -229,8 +135,8 @@ static bool resize_tiled(int amount, bool use_width) {
 		}
 		sway_log(L_DEBUG, "Check container %p: width %g vs %d, height %g vs %d", sibling, sibling->width + pixels, min_sane_w, sibling->height + pixels, min_sane_h);
 		if (use_width ?
-		    sibling->width + pixels < min_sane_w :
-		    sibling->height + pixels < min_sane_h) {
+			sibling->width + pixels < min_sane_w :
+			sibling->height + pixels < min_sane_h) {
 			valid = false;
 			sway_log(L_DEBUG, "Container size no longer sane");
 			break;
diff --git a/sway/layout.c b/sway/layout.c
index 377dad47..5f8da9e6 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -1503,3 +1503,96 @@ enum swayc_layouts default_layout(swayc_t *output) {
 bool is_auto_layout(enum swayc_layouts layout) {
 	return (layout >= L_AUTO_FIRST) && (layout <= L_AUTO_LAST);
 }
+
+/**
+ * Return the number of children in the slave groups. This corresponds to the children
+ * that are not members of the master group.
+ */
+static inline size_t auto_slave_count(swayc_t *container) {
+	return container->children->length - container->nb_master;
+}
+
+/**
+ * given the index of a container's child, return the index of the first child of the group
+ * which index is a member of.
+ */
+int auto_group_start_index(swayc_t *container, int index) {
+	if (index < 0 || ! is_auto_layout(container->layout)
+		|| (size_t) index < container->nb_master) {
+		return 0;
+	} else {
+		size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
+		size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
+		int start_idx;
+		int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
+		if (index < idx2) {
+			start_idx = ((index - container->nb_master) / grp_sz) * grp_sz + container->nb_master;
+		} else {
+			start_idx = idx2 + ((index - idx2) / (grp_sz + 1)) * (grp_sz + 1);
+		}
+		return MIN(start_idx, container->children->length);
+	}
+}
+
+/**
+ * given the index of a container's child, return the index of the first child of the group
+ * that follows the one which index is a member of.
+ * This makes the function usable to walk through the groups in a container.
+ */
+int auto_group_end_index(swayc_t *container, int index) {
+	if (index < 0 || ! is_auto_layout(container->layout)) {
+		return container->children->length;
+	} else {
+		int nxt_idx;
+		if ((size_t)index < container->nb_master) {
+			nxt_idx = container->nb_master;
+		} else {
+			size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
+			size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
+			int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
+			if (index < idx2) {
+				nxt_idx = ((index - container->nb_master) / grp_sz + 1) * grp_sz + container->nb_master;
+			} else {
+				nxt_idx = idx2 + ((index - idx2) / (grp_sz + 1) + 1) * (grp_sz + 1);
+			}
+		}
+		return MIN(nxt_idx, container->children->length);
+	}
+}
+
+/**
+ * Return the combined number of master and slave groups in the container.
+ */
+size_t auto_group_count(swayc_t *container) {
+	return MIN(container->nb_slave_groups, auto_slave_count(container)) + (container->nb_master ? 1 : 0);
+}
+
+/**
+ * return the index of the Group containing <index>th child of <container>.
+ * The index is the order of the group along the container's major axis (starting at 0).
+ */
+size_t auto_group_index(swayc_t *container, int index) {
+	if (index < 0) {
+		return 0;
+	}
+	bool master_first = (container->layout == L_AUTO_LEFT || container->layout == L_AUTO_TOP);
+	int nb_slaves = auto_slave_count(container);
+	if ((size_t) index < container->nb_master) {
+		if (master_first || nb_slaves <= 0) {
+			return 0;
+		} else {
+			return MIN(container->nb_slave_groups, nb_slaves);
+		}
+	} else {
+		size_t grp_sz = auto_slave_count(container) / container->nb_slave_groups;
+		size_t remainder = auto_slave_count(container) % container->nb_slave_groups;
+		size_t grp_idx;
+		int idx2 = (container->nb_slave_groups - remainder) * grp_sz + container->nb_master;
+		if (index < idx2) {
+			grp_idx = (index - container->nb_master) / grp_sz;
+		} else {
+			grp_idx = (container->nb_slave_groups - remainder) + (index - idx2) / (grp_sz + 1) ;
+		}
+		return grp_idx + (master_first ? 1 : 0);
+	}
+}