diff --git a/gds-parser/gds-parser.c b/gds-parser/gds-parser.c
index e6ef61b..8fe475c 100644
--- a/gds-parser/gds-parser.c
+++ b/gds-parser/gds-parser.c
@@ -17,11 +17,6 @@
* along with GDSII-Converter. If not, see .
*/
-/*
-
- */
-
-
/**
* @file gds-parser.c
* @brief Implementation of the GDS-Parser
@@ -35,7 +30,7 @@
*/
/**
- * @addtogroup GDS-Parser
+ * @addtogroup GDS-Utilities
* @{
*/
diff --git a/gds-parser/gds-parser.h b/gds-parser/gds-parser.h
index 1704395..ce745e4 100644
--- a/gds-parser/gds-parser.h
+++ b/gds-parser/gds-parser.h
@@ -24,7 +24,7 @@
*/
/**
- * @addtogroup GDS-Parser
+ * @addtogroup GDS-Utilities
* @{
*/
diff --git a/gds-parser/gds-tree-checker.c b/gds-parser/gds-tree-checker.c
new file mode 100644
index 0000000..7833ec0
--- /dev/null
+++ b/gds-parser/gds-tree-checker.c
@@ -0,0 +1,48 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2019 Mario Hüttel
+ *
+ * This file is part of GDSII-Converter.
+ *
+ * GDSII-Converter is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * GDSII-Converter is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GDSII-Converter. If not, see .
+ */
+
+/**
+ * @file gds-tree-checker.c
+ * @brief Checking functions of a cell tree
+ *
+ * This file contains cehcking functions for the GDS cell tree.
+ * These functions include checks if all child references could be resolved,
+ * and if the cell tree contains loops.
+ *
+ * @author Mario Hüttel
+ */
+
+/**
+ * @addtogroup GDS-Utilities
+ * @{
+ */
+
+#include "gds-tree-checker.h"
+
+int gds_tree_check_cell_references(struct gds_library *lib)
+{
+ return 0;
+}
+
+int gds_tree_check_reference_loops(struct gds_library *lib)
+{
+ return 0;
+}
+
+/** @} */
diff --git a/gds-parser/gds-tree-checker.h b/gds-parser/gds-tree-checker.h
new file mode 100644
index 0000000..964b1b9
--- /dev/null
+++ b/gds-parser/gds-tree-checker.h
@@ -0,0 +1,55 @@
+/*
+ * GDSII-Converter
+ * Copyright (C) 2019 Mario Hüttel
+ *
+ * This file is part of GDSII-Converter.
+ *
+ * GDSII-Converter is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * GDSII-Converter is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GDSII-Converter. If not, see .
+ */
+
+/**
+ * @file gds-tree-checker.h
+ * @brief Checking functions of a cell tree (Header)
+ * @author Mario Hüttel
+ */
+
+/**
+ * @addtogroup GDS-Utilities
+ * @{
+ */
+
+#ifndef _GDS_TREE_CHECKER_H_
+#define _GDS_TREE_CHECKER_H_
+
+#include "gds-types.h"
+
+/**
+ * @brief gds_tree_check_cell_references checks if all child cell references can be resolved in the given library
+ * @param lib The GDS library to check
+ * @return less than 0 if an error occured during processing; 0 if all child cells could be resolved;
+ * greater than zero if the processing was successful but not all cell references could be resolved.
+ * In this case the number of unresolved references is returned
+ */
+int gds_tree_check_cell_references(struct gds_library *lib);
+
+/**
+ * @brief gds_tree_check_reference_loops checks if the given library contains reference loops
+ * @param lib GDS library
+ * @return negative if an error occured, zero if there are no reference loops, else a positive number representing the number
+ * of affected cells
+ */
+int gds_tree_check_reference_loops(struct gds_library *lib);
+
+#endif /* _GDS_TREE_CHECKER_H_ */
+
+/** @} */
diff --git a/gds-parser/gds-types.h b/gds-parser/gds-types.h
index 80e2acc..d6630cb 100644
--- a/gds-parser/gds-types.h
+++ b/gds-parser/gds-types.h
@@ -24,7 +24,7 @@
*/
/**
- * @addtogroup GDS-Parser
+ * @addtogroup GDS-Utilities
* @{
*/
diff --git a/trigonometric/cell-trigonometrics.c b/trigonometric/cell-trigonometrics.c
index 823a531..7f13d44 100644
--- a/trigonometric/cell-trigonometrics.c
+++ b/trigonometric/cell-trigonometrics.c
@@ -94,14 +94,16 @@ void calculate_cell_bounding_box(union bounding_box *box, struct gds_cell *cell)
}
/* Update bounding box with boxes of subcells */
- for (sub_cell_list = cell->child_cells; sub_cell_list != NULL; sub_cell_list = sub_cell_list->next) {
+ for (sub_cell_list = cell->child_cells; sub_cell_list != NULL;
+ sub_cell_list = sub_cell_list->next) {
sub_cell = (struct gds_cell_instance *)sub_cell_list->data;
bounding_box_prepare_empty(&temp_box);
/* Recursion Woohoo!! This dies if your GDS is faulty and contains a reference loop */
calculate_cell_bounding_box(&temp_box, sub_cell->cell_ref);
/* Apply transformations */
- bounding_box_apply_transform(ABS(sub_cell->magnification), sub_cell->angle, sub_cell->flipped, &temp_box);
+ bounding_box_apply_transform(ABS(sub_cell->magnification), sub_cell->angle,
+ sub_cell->flipped, &temp_box);
/* Move bounding box to origin */
temp_box.vectors.lower_left.x += sub_cell->origin.x;