Refactor all math into a new kimath library

* Split up the thirdparty code into the thirdparty folder (#3637)
* Create a new kimath static library containing all the math functions

This is part of cleaning the build system for #1906.

3d-viewer/3d_canvas/cinfo3d_visu.cpp

@@ -34,6 +34,7 @@
 #include <3d_math.h>
 #include "3d_fastmath.h"
 #include <geometry/geometry_utils.h>
+#include <math/util.h>      // for KiROUND
 
 /**
  *  Trace mask used to enable or disable the trace output of this class.

3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_ogl_legacy.cpp

@@ -35,6 +35,7 @@
 #include <class_board.h>
 #include <class_module.h>
 #include <3d_math.h>
+#include <math/util.h>      // for KiROUND
 
 #include <base_units.h>
 

3d-viewer/CMakeLists.txt

@@ -106,7 +106,7 @@ add_dependencies( 3d-viewer pcbcommon )
 
 target_link_libraries( 3d-viewer
                        gal
-                       polygon
+                       kimath
                        ${Boost_}
                        ${wxWidgets_LIBRARIES}
                        ${OPENGL_LIBRARIES}

CMakeLists.txt

@@ -1027,7 +1027,6 @@ add_subdirectory( cvpcb )
 add_subdirectory( eeschema )
 add_subdirectory( gerbview )
 add_subdirectory( pcbnew )
-add_subdirectory( polygon )
 add_subdirectory( pagelayout_editor )
 add_subdirectory( bitmap2component )
 add_subdirectory( pcb_calculator )

LICENSE.README

@@ -13,6 +13,7 @@ Licensed under AGPLv3 (or later):
 - TTL [https://www.sintef.no/projectweb/geometry-toolkits/ttl/], sources in include/ttl/*
 Licensed under BOOSTv1:
 - libcontext [https://github.com/boostorg/context] in thirdparty/libcontext
+- clipper in thirdparty/clipper
 Licensed under ISC:
 - portions of code in include/geometry/polygon_triangulation.h
 Licensed under MIT:
@@ -22,6 +23,8 @@ Licensed under MIT:
 Licensed under GPLv2 (or later):
 - dxflib in thirdparty/dxflib_qcad
 - potrace in thirdparty/potrace
+- math_for_graphics in thirdparty/other_math
+- SutherlandHodgmanClipPoly in thirdparty/other_math
 Licensed under ZLib:
 - nanosvg in thirdparty/nanosvg
 Licensed under CC-BY-SA-4.0:

bitmap2component/bitmap2cmp_gui.cpp

@@ -26,13 +26,9 @@
 #include "bitmap2component.h"
 #include <bitmap_io.h>
 #include <bitmaps.h>
-#include <build_version.h>
-#include <confirm.h>
-#include <fctsys.h>
-#include <gestfich.h>
 #include <kiface_i.h>
+#include <math/util.h>      // for KiROUND
 #include <kiway.h>
-#include <macros.h>
 #include <pgm_base.h>
 #include <potracelib.h>
 #include <wildcards_and_files_ext.h>

common/CMakeLists.txt

@@ -40,7 +40,7 @@ set( GAL_SRCS
     gal/graphics_abstraction_layer.cpp
     gal/hidpi_gl_canvas.cpp
     gal/stroke_font.cpp
-    geometry/hetriang.cpp
+
     view/view_controls.cpp
     view/view_overlay.cpp
     view/wx_view_controls.cpp
@@ -72,7 +72,8 @@ set( GAL_SRCS
 add_library( gal STATIC ${GAL_SRCS} )
 
 target_link_libraries( gal
-    polygon
+    ttl
+    kimath
     bitmaps
     ${GLEW_LIBRARIES}
     ${CAIRO_LIBRARIES}
@@ -258,7 +259,6 @@ set( COMMON_SRCS
     array_options.cpp
     base64.cpp
     base_struct.cpp
-    bezier_curves.cpp
     bin_mod.cpp
     bitmap.cpp
     bitmap_base.cpp
@@ -270,7 +270,6 @@ set( COMMON_SRCS
     common.cpp
     config_params.cpp
     confirm.cpp
-    convert_basic_shapes_to_polygon.cpp
     cursor_store.cpp
     dialog_shim.cpp
     displlst.cpp
@@ -313,7 +312,6 @@ set( COMMON_SRCS
     lib_tree_model_adapter.cpp
     lockfile.cpp
     marker_base.cpp
-    md5_hash.cpp
     msgpanel.cpp
     observable.cpp
     prependpath.cpp
@@ -364,8 +362,6 @@ set( COMMON_SRCS
     view/view_item.cpp
     view/view_group.cpp
 
-    math/math_util.cpp
-
     tool/action_manager.cpp
     tool/action_menu.cpp
     tool/action_toolbar.cpp
@@ -388,17 +384,6 @@ set( COMMON_SRCS
     tool/zoom_menu.cpp
     tool/zoom_tool.cpp
 
-    geometry/convex_hull.cpp
-    geometry/geometry_utils.cpp
-    geometry/seg.cpp
-    geometry/shape.cpp
-    geometry/shape_collisions.cpp
-    geometry/shape_arc.cpp
-    geometry/shape_file_io.cpp
-    geometry/shape_line_chain.cpp
-    geometry/shape_poly_set.cpp
-    geometry/trigo.cpp
-
     libeval/numeric_evaluator.cpp
     )
 
@@ -415,8 +400,8 @@ add_dependencies( common libcontext )
 add_dependencies( common version_header )
 
 target_link_libraries( common
+    kimath
     bitmaps
-    polygon
     gal
     ${Boost_LIBRARIES}
     ${CURL_LIBRARIES}
@@ -501,6 +486,7 @@ target_include_directories( pcbcommon PUBLIC
 
 target_link_libraries( pcbcommon PUBLIC
     common
+    kimath
 )
 
 

common/base_screen.cpp

@@ -29,13 +29,15 @@
  * @brief BASE_SCREEN object implementation.
  */
 
-#include <fctsys.h>
-#include <macros.h>
-#include <common.h>
-#include <base_struct.h>
+
 #include <base_screen.h>
-#include <id.h>
+#include <base_struct.h>
 #include <base_units.h>
+#include <common.h>
+#include <fctsys.h>
+#include <id.h>
+#include <math/util.h>      // for KiROUND
+#include <macros.h>
 #include <trace_helpers.h>
 
 

common/base_units.cpp

@@ -34,11 +34,13 @@
  *       depending on the application.
  */
 
-#include <macros.h>
 #include <base_struct.h>
-#include <title_block.h>
-#include <common.h>
 #include <base_units.h>
+#include <common.h>
+#include <math/util.h>      // for KiROUND
+#include <macros.h>
+#include <title_block.h>
+
 #include "libeval/numeric_evaluator.h"
 
 

common/bitmap_base.cpp

@@ -26,16 +26,15 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#include "fctsys.h"
-#include "gr_basic.h"
-#include "macros.h"
-#include "trigo.h"
-#include "common.h"
-#include "richio.h"
-#include "plotter.h"
-
-#include "bitmap_base.h"
-
+#include <bitmap_base.h>
+#include <eda_rect.h>     // for EDA_RECT
+#include <gal/color4d.h>  // for COLOR4D
+#include <gr_basic.h>
+#include <math/util.h>      // for KiROUND
+#include <memory>         // for make_unique, unique_ptr
+#include <plotter.h>
+#include <richio.h>
+#include <wx/bitmap.h>    // for wxBitmap
 #include <wx/mstream.h>
 
 

common/config_params.cpp

@@ -23,19 +23,15 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#include <fctsys.h>
-#include <gr_basic.h>
-#include <pgm_base.h>
-#include <common.h>
-#include <kicad_string.h>
-#include <gestfich.h>
-#include <eda_base_frame.h>
-#include <config_params.h>
-
-#include <wx/apptrait.h>
-#include <wx/stdpaths.h>
-
-#include <wildcards_and_files_ext.h>
+
+#include <colors.h>              // for ColorByName, EDA_COLOR_T, UNSPECIFIE...
+#include <common.h>              // for LOCALE_IO
+#include <config_params.h>       // for PARAM_CFG_INT_WITH_SCALE, PARAM_CFG_...
+#include <gal/color4d.h>         // for COLOR4D
+#include <math/util.h>             // for KiROUND
+#include <wx/config.h>           // for wxConfigBase
+#include <wx/debug.h>            // for wxASSERT
+#include <wx/wx.h>               // for wxString, operator!=, operator==
 
 
 void wxConfigLoadParams( wxConfigBase* aCfg,

common/dialogs/dialog_page_settings.cpp

@@ -21,31 +21,31 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#include <fctsys.h>
+#include <base_screen.h>
+#include <base_struct.h>
 #include <common.h>
-#include <project.h>
 #include <confirm.h>
+#include <dialog_page_settings.h>
+#include <eda_draw_frame.h>
+#include <fctsys.h>
 #include <gr_basic.h>
-#include <base_struct.h>
+#include <kiface_i.h>
+#include <math/util.h>      // for KiROUND, Clamp
+#include <project.h>
 #include <title_block.h>
-#include <eda_draw_frame.h>
-#include <ws_data_model.h>
-#include <base_screen.h>
-#include <wildcards_and_files_ext.h>
+#include <tool/actions.h>
 #include <tool/tool_manager.h>
+#include <wildcards_and_files_ext.h>
+#include <ws_data_model.h>
+#include <ws_painter.h>
 #include <wx/valgen.h>
 #include <wx/tokenzr.h>
 
 #ifdef EESCHEMA
-#include <sch_screen.h>
 #include <general.h>
+#include <sch_screen.h>
 #endif
 
-#include <ws_painter.h>
-#include <dialog_page_settings.h>
-#include <tool/actions.h>
-#include <kiface_i.h>
-
 #define MAX_PAGE_EXAMPLE_SIZE 200
 
 

common/dialogs/dialog_page_settings.h

@@ -24,6 +24,8 @@
 #ifndef _DIALOG_PAGES_SETTINGS_H_
 #define _DIALOG_PAGES_SETTINGS_H_
 
+#include <page_info.h>
+#include <title_block.h>
 #include <widgets/unit_binder.h>
 #include <dialog_page_settings_base.h>
 

common/eda_text.cpp

@@ -27,15 +27,32 @@
  * @brief Implementation of base KiCad text object.
  */
 
-#include <eda_text.h>
-#include <gr_text.h>
-#include <eda_rect.h>
-#include <macros.h>
-#include <trigo.h>               // RotatePoint
+#include <algorithm>          // for max
+#include <stddef.h>           // for NULL
+#include <type_traits>        // for swap
+#include <vector>             // for vector
 
-#include <basic_gal.h>
+#include <base_struct.h>      // for EDA_ITEM
 #include <base_units.h>
-#include <convert_to_biu.h>
+#include <basic_gal.h>        // for BASIC_GAL, basic_gal
+#include <common.h>           // for wxStringSplit
+#include <convert_to_biu.h>   // for Mils2iu
+#include <core/typeinfo.h>    // for KICAD_T, SCH_LABEL_T, SCH_TEXT_T, SCH_G...
+#include <eda_rect.h>         // for EDA_RECT
+#include <eda_text.h>         // for EDA_TEXT, TEXT_EFFECTS, GR_TEXT_VJUSTIF...
+#include <gal/color4d.h>      // for COLOR4D, COLOR4D::BLACK
+#include <gal/stroke_font.h>  // for STROKE_FONT
+#include <gr_text.h>          // for GRText
+#include <kicad_string.h>     // for UnescapeString
+#include <math/util.h>          // for KiROUND
+#include <math/vector2d.h>    // for VECTOR2D
+#include <trigo.h>            // for RotatePoint
+
+#include <wx/debug.h>         // for wxASSERT
+#include <wx/wx.h>            // for wxPoint, wxString, wxArrayString, wxSize
+
+class OUTPUTFORMATTER;
+class wxFindReplaceData;
 
 // Sadly we store the orientation of hierarchical and global labels using a different
 // int encoding than that for local labels:

common/gal/cairo/cairo_gal.cpp

@@ -33,6 +33,7 @@
 #include <gal/cairo/cairo_compositor.h>
 #include <gal/definitions.h>
 #include <geometry/shape_poly_set.h>
+#include <math/util.h>      // for KiROUND
 #include <bitmap_base.h>
 
 #include <limits>

common/gal/graphics_abstraction_layer.cpp

@@ -29,6 +29,8 @@
 #include <gal/graphics_abstraction_layer.h>
 #include <gal/definitions.h>
 
+#include <math/util.h>      // for KiROUND
+
 #include <cmath>
 
 using namespace KIGFX;

common/gal/opengl/opengl_gal.cpp

@@ -39,6 +39,7 @@
 #include <geometry/shape_poly_set.h>
 #include <bitmap_base.h>
 #include <bezier_curves.h>
+#include <math/util.h>      // for KiROUND
 
 #include <macros.h>
 

common/gal/stroke_font.cpp

@@ -28,6 +28,7 @@
 
 #include <gal/stroke_font.h>
 #include <gal/graphics_abstraction_layer.h>
+#include <math/util.h>      // for KiROUND
 #include <wx/string.h>
 
 

common/gr_basic.cpp

@@ -36,6 +36,7 @@
 #include <wx/graphics.h>
 #include <wx/tokenzr.h>
 #include <geometry/geometry_utils.h>
+#include <math/util.h>      // for KiROUND
 
 static const bool FILLED = true;
 static const bool NOT_FILLED = false;

common/gr_text.cpp

@@ -38,6 +38,7 @@
 #include <macros.h>
 #include <base_screen.h>
 #include <gr_text.h>
+#include <math/util.h>      // for KiROUND
 
 #include <basic_gal.h>
 

common/lset.cpp

@@ -22,11 +22,17 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-
+#include <bitset>                             // for bitset, __bitset<>::ref...
 #include <cassert>
 #include <cstdarg>
-
-#include <layers_id_colors_and_visibility.h>
+#include <iostream>                           // for string, endl, basic_ost...
+#include <stddef.h>                           // for size_t
+
+#include <math/util.h>                        // for Clamp
+#include <layers_id_colors_and_visibility.h>  // for LSET, PCB_LAYER_ID, LSEQ
+#include <macros.h>                           // for arrayDim
+#include <wx/debug.h>                         // for wxASSERT, wxASSERT_MSG
+#include <wx/wx.h>                            // for wxT, wxChar
 
 
 LSET::LSET( const PCB_LAYER_ID* aArray, unsigned aCount ) :

common/page_layout/ws_data_item.cpp

@@ -52,6 +52,7 @@
 #include <fctsys.h>
 #include <gr_text.h>
 #include <eda_rect.h>
+#include <math/util.h>      // for KiROUND
 #include <view/view.h>
 #include <ws_painter.h>
 #include <title_block.h>

common/plotters/GERBER_plotter.cpp

@@ -37,6 +37,7 @@
 #include <macros.h>
 #include <kicad_string.h>
 #include <convert_basic_shapes_to_polygon.h>
+#include <math/util.h>      // for KiROUND
 
 #include <build_version.h>
 

common/plotters/HPGL_plotter.cpp

@@ -203,6 +203,8 @@
 #include <macros.h>
 #include <kicad_string.h>
 #include <convert_basic_shapes_to_polygon.h>
+#include <math/util.h>      // for KiROUND
+
 
 // The hpgl command to close a polygon def, fill it and plot outline:
 // PM 2; ends the polygon definition and closes it if not closed

common/plotters/PDF_plotter.cpp

@@ -38,6 +38,7 @@
 #include <kicad_string.h>
 #include <wx/zstream.h>
 #include <wx/mstream.h>
+#include <math/util.h>      // for KiROUND
 
 
 /*

common/plotters/PS_plotter.cpp

@@ -36,6 +36,7 @@
 #include <macros.h>
 #include <kicad_string.h>
 #include <convert_basic_shapes_to_polygon.h>
+#include <math/util.h>      // for KiROUND
 
 /* Forward declaration of the font width metrics
    (yes extern! this is the way to forward declare variables */

common/plotters/plotter.cpp

@@ -51,6 +51,7 @@
 #include <geometry/shape_line_chain.h>
 #include <geometry/geometry_utils.h>
 #include <bezier_curves.h>
+#include <math/util.h>      // for KiROUND
 
 PLOTTER::PLOTTER( )
 {

common/preview_items/arc_geom_manager.cpp

@@ -23,7 +23,7 @@
 
 #include <preview_items/arc_geom_manager.h>
 
-#include <common.h> // KiROUND
+#include <math/util.h>      // for KiROUND
 
 using namespace KIGFX::PREVIEW;
 

common/tool/edit_constraints.cpp

@@ -26,6 +26,7 @@
 #include "tool/edit_points.h"
 
 #include <geometry/seg.h>
+#include <math/util.h>      // for KiROUND
 
 #include <common.h>
 

common/tool/edit_points.cpp

@@ -24,6 +24,7 @@
 
 #include <gal/graphics_abstraction_layer.h>
 #include <gal/color4d.h>
+#include <math/util.h>      // for KiROUND
 #include "tool/edit_points.h"
 
 bool EDIT_POINT::WithinPoint( const VECTOR2I& aPoint, unsigned int aSize ) const

common/view/wx_view_controls.cpp

@@ -32,6 +32,8 @@
 #include <view/zoom_controller.h>
 #include <gal/graphics_abstraction_layer.h>
 #include <tool/tool_dispatcher.h>
+#include <math/util.h>      // for KiROUND
+
 
 using namespace KIGFX;
 

cvpcb/CMakeLists.txt

@@ -89,6 +89,7 @@ target_link_libraries( cvpcb_kiface
     3d-viewer
     gal
     common
+    kimath
     ${wxWidgets_LIBRARIES}
     ${GDI_PLUS_LIBRARIES}
     )

eeschema/dialogs/dialog_edit_component_in_lib.cpp

@@ -28,6 +28,7 @@
 #include <pgm_base.h>
 #include <kiface_i.h>
 #include <dialog_text_entry.h>
+#include <math/util.h>      // for KiROUND
 
 #include <general.h>
 #include <widgets/wx_grid.h>

eeschema/lib_arc.cpp

@@ -32,6 +32,7 @@
 #include <base_units.h>
 #include <msgpanel.h>
 #include <bitmaps.h>
+#include <math/util.h>      // for KiROUND
 
 #include <general.h>
 #include <lib_arc.h>

eeschema/lib_circle.cpp

@@ -31,6 +31,7 @@
 #include <base_units.h>
 #include <msgpanel.h>
 #include <bitmaps.h>
+#include <math/util.h>      // for KiROUND
 
 #include <general.h>
 #include <lib_circle.h>

eeschema/lib_circle.h

@@ -26,6 +26,7 @@
 #define LIB_CIRCLE_H
 
 #include <lib_item.h>
+#include <math/util.h>      // for KiROUND
 
 
 class LIB_CIRCLE : public LIB_ITEM

eeschema/lib_pin.cpp

@@ -40,6 +40,7 @@
 #include <sch_edit_frame.h>
 #include <base_units.h>
 #include <msgpanel.h>
+#include <math/util.h>      // for KiROUND
 
 #include <general.h>
 #include <lib_edit_frame.h>

eeschema/sch_no_connect.h

@@ -31,6 +31,8 @@
 
 
 #include <sch_item.h>
+#include <math/util.h>      // for KiROUND
+
 
 class NETLIST_OBJECT_LIST;
 

eeschema/sch_painter.cpp

@@ -59,6 +59,7 @@
 #include <connection_graph.h>
 #include <geometry/shape_line_chain.h>
 #include <bezier_curves.h>
+#include <math/util.h>      // for KiROUND
 
 #include "sch_painter.h"
 

eeschema/sch_sheet.cpp

@@ -36,6 +36,7 @@
 #include <plotter.h>
 #include <kicad_string.h>
 #include <msgpanel.h>
+#include <math/util.h>      // for KiROUND
 
 #include <sch_sheet.h>
 #include <sch_sheet_path.h>

eeschema/sch_text.cpp

@@ -39,6 +39,7 @@
 #include <msgpanel.h>
 #include <gal/stroke_font.h>
 #include <bitmaps.h>
+#include <math/util.h>      // for KiROUND
 
 #include <sch_text.h>
 #include <netlist_object.h>

eeschema/tools/ee_inspection_tool.cpp

@@ -45,6 +45,7 @@
 #include <invoke_sch_dialog.h>
 #include <project.h>
 #include <dialogs/dialog_display_info_HTML_base.h>
+#include <math/util.h>      // for KiROUND
 
 
 EE_INSPECTION_TOOL::EE_INSPECTION_TOOL()

eeschema/tools/ee_selection_tool.cpp

@@ -46,6 +46,7 @@
 #include <painter.h>
 #include <eeschema_id.h>        // For MAX_SELECT_ITEM_IDS
 #include <menus_helpers.h>
+#include <math/util.h>      // for KiROUND
 
 
 SELECTION_CONDITION EE_CONDITIONS::Empty = [] (const SELECTION& aSelection )

eeschema/tools/lib_edit_tool.cpp

@@ -41,6 +41,7 @@
 #include <sch_legacy_plugin.h>
 #include <lib_text.h>
 #include "lib_edit_tool.h"
+#include <math/util.h>      // for KiROUND
 
 
 LIB_EDIT_TOOL::LIB_EDIT_TOOL() :

eeschema/tools/sch_edit_tool.cpp

@@ -50,6 +50,7 @@
 #include <dialogs/dialog_edit_sheet_pin.h>
 #include <dialogs/dialog_edit_one_field.h>
 #include "sch_drawing_tools.h"
+#include <math/util.h>      // for KiROUND
 
 
 char g_lastBusEntryShape = '/';

eeschema/tools/sch_editor_control.cpp

@@ -51,6 +51,8 @@
 #include <invoke_sch_dialog.h>
 #include <dialogs/dialog_paste_special.h>
 #include <netlist_exporters/netlist_exporter_pspice.h>
+#include <math/util.h>      // for KiROUND
+
 
 int SCH_EDITOR_CONTROL::New( const TOOL_EVENT& aEvent )
 {

eeschema/transform.cpp

@@ -27,6 +27,7 @@
 #include <transform.h>
 #include <common.h>
 #include <eda_rect.h>
+#include <math/util.h>      // for KiROUND
 
 
 bool TRANSFORM::operator==( const TRANSFORM& aTransform ) const

gerbview/am_primitive.cpp

@@ -34,6 +34,7 @@
 #include <convert_to_biu.h>
 #include <convert_basic_shapes_to_polygon.h>
 #include <gr_basic.h>
+#include <math/util.h>      // for KiROUND
 
 #include <gerbview.h>
 #include <gerber_file_image.h>

gerbview/excellon_read_drill_file.cpp

@@ -65,6 +65,7 @@
 #include <fctsys.h>
 #include <common.h>
 #include <confirm.h>
+#include <math/util.h>      // for KiROUND
 
 #include <gerbview.h>
 #include <gerbview_frame.h>

gerbview/gerber_draw_item.cpp

@@ -35,6 +35,7 @@
 #include <gerber_file_image_list.h>
 #include <kicad_string.h>
 #include <geometry/shape_arc.h>
+#include <math/util.h>      // for KiROUND
 
 GERBER_DRAW_ITEM::GERBER_DRAW_ITEM( GERBER_FILE_IMAGE* aGerberImageFile ) :
     EDA_ITEM( (EDA_ITEM*)NULL, GERBER_DRAW_ITEM_T )

gerbview/gerbview_printout.cpp

@@ -34,6 +34,7 @@
 #include <gal/gal_print.h>
 #include <view/view.h>
 #include <gerbview_painter.h>
+#include <math/util.h>      // for KiROUND
 
 
 GERBVIEW_PRINTOUT::GERBVIEW_PRINTOUT( GBR_LAYOUT* aLayout, const BOARD_PRINTOUT_SETTINGS& aParams,

gerbview/rs274_read_XY_and_IJ_coordinates.cpp

@@ -24,6 +24,7 @@
 
 #include <fctsys.h>
 #include <common.h>
+#include <math/util.h>      // for KiROUND
 
 #include <gerber_file_image.h>
 #include <base_units.h>

gerbview/rs274x.cpp

@@ -30,6 +30,7 @@
 #include <common.h>
 #include <macros.h>
 #include <base_units.h>
+#include <math/util.h>      // for KiROUND
 
 #include <gerbview.h>
 #include <gerber_file_image.h>

include/base_units.h

@@ -34,9 +34,10 @@
 
 #include <string>
 
-#include <math/vector2d.h>
 #include <common.h>
 #include <convert_to_biu.h>
+#include <math/util.h>      // for KiROUND
+#include <math/vector2d.h>
 
 //TODO: Abstract Base Units to a single class
 

include/common.h

@@ -69,33 +69,6 @@ typedef uint32_t timestamp_t;
 #define TEXT_ANGLE_HORIZ    0
 #define TEXT_ANGLE_VERT     900
 
-//-----<KiROUND KIT>------------------------------------------------------------
-
-/**
- * Round a floating point number to an integer using "round halfway cases away from zero".
- *
- * In Debug build an assert fires if will not fit into the return type.
- */
-template <typename fp_type, typename ret_type = int>
-constexpr ret_type KiROUND( fp_type v )
-{
-    using max_ret = long long int;
-    fp_type ret = v < 0 ? v - 0.5 : v + 0.5;
-
-    if( std::numeric_limits<ret_type>::max() < ret ||
-        std::numeric_limits<ret_type>::lowest() > ret )
-    {
-        wxLogDebug
-        ( "Overflow KiROUND converting value %f to %s", double( v ), typeid(ret_type).name() );
-        return 0;
-    }
-
-    return ret_type( max_ret( ret ) );
-}
-
-//-----</KiROUND KIT>-----------------------------------------------------------
-
-
 enum class EDA_UNITS
 {
     INCHES = 0,

include/macros.h

@@ -126,27 +126,6 @@ void MIRROR( T& aPoint, const T& aMirrorRef )
 }
 
 
-/**
- * Function Clamp
- * limits @a value within the range @a lower <= @a value <= @a upper.  It will work
- * on temporary expressions, since they are evaluated only once, and it should work
- * on most if not all numeric types, string types, or any type for which "operator < ()"
- * is present. The arguments are accepted in this order so you can remember the
- * expression as a memory aid:
- * <p>
- * result is:  lower <= value <= upper
- */
-template <typename T> inline const T& Clamp( const T& lower, const T& value, const T& upper )
-{
-    wxASSERT( lower <= upper );
-    if( value < lower )
-        return lower;
-    else if( upper < value )
-        return upper;
-    return value;
-}
-
-
 #ifdef SWIG
 /// Declare a std::vector and also the swig %template in unison
 #define DECL_VEC_FOR_SWIG(TypeName, MemberType) namespace std { %template(TypeName) vector<MemberType>; } typedef std::vector<MemberType> TypeName;

include/tool/selection.h

@@ -26,6 +26,7 @@
 #ifndef SELECTION_H
 #define SELECTION_H
 
+#include <core/optional.h>
 #include <deque>
 #include <eda_rect.h>
 #include <base_struct.h>

libs/CMakeLists.txt

@@ -22,5 +22,5 @@
 #
 
 # Build file for generic re-useable libraries
-
-add_subdirectory( sexpr )
+add_subdirectory( kimath )
+add_subdirectory( sexpr )

libs/kimath/CMakeLists.txt

@@ -0,0 +1,49 @@
+set( KIMATH_SRCS
+    src/bezier_curves.cpp
+    src/convert_basic_shapes_to_polygon.cpp
+    src/md5_hash.cpp
+    src/trigo.cpp
+
+    src/geometry/convex_hull.cpp
+    src/geometry/geometry_utils.cpp
+    src/geometry/polygon_test_point_inside.cpp
+    src/geometry/seg.cpp
+    src/geometry/shape.cpp
+    src/geometry/shape_arc.cpp
+    src/geometry/shape_collisions.cpp
+    src/geometry/shape_file_io.cpp
+    src/geometry/shape_line_chain.cpp
+    src/geometry/shape_poly_set.cpp
+
+    src/math/util.cpp
+)
+
+# Include the other smaller math libraries in this one for convenience
+add_library( kimath STATIC
+    ${KIMATH_SRCS}
+    $<TARGET_OBJECTS:clipper>
+    $<TARGET_OBJECTS:othermath>
+)
+
+add_dependencies( kimath clipper )
+add_dependencies( kimath rtree )
+add_dependencies( kimath othermath )
+
+target_link_libraries( kimath
+    ${wxWidgets_LIBRARIES}      # wxLogDebug, wxASSERT
+    ${Boost_LIBRARIES}          # Because of the OPT types
+)
+
+target_include_directories( kimath PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}/include
+    $<TARGET_PROPERTY:clipper,INTERFACE_INCLUDE_DIRECTORIES>
+    $<TARGET_PROPERTY:othermath,INTERFACE_INCLUDE_DIRECTORIES>
+    $<TARGET_PROPERTY:rtree,INTERFACE_INCLUDE_DIRECTORIES>
+)
+
+# core/optional.h is needed for OPT types
+target_include_directories( kimath PRIVATE
+    ${PROJECT_SOURCE_DIR}/include
+    ${wxWidgets_LIBRARIES}
+    ${Boost_INCLUDE_DIR}
+)

include/convert_basic_shapes_to_polygon.h → libs/kimath/include/convert_basic_shapes_to_polygon.h

@@ -29,13 +29,8 @@
  * @file convert_basic_shapes_to_polygon.h
  */
 
-#include <vector>
-
-#include <fctsys.h>
-#include <trigo.h>
-#include <macros.h>
-
 #include <geometry/shape_poly_set.h>
+#include <wx/gdicmn.h>      // for wxPoint
 
 // The chamfer positions of chamfered rect shape.
 // the position is relative to a pad with orientation = 0

include/geometry/direction45.h → libs/kimath/include/geometry/direction45.h

@@ -24,6 +24,7 @@
 
 #include <geometry/seg.h>
 #include <geometry/shape_line_chain.h>
+#include <math/vector2d.h>
 
 // believe or not, X11 headers have a F****ING macro called Opposite...
 #undef Opposite

include/geometry/geometry_utils.h → libs/kimath/include/geometry/geometry_utils.h

@@ -30,6 +30,9 @@
 #ifndef GEOMETRY_UTILS_H
 #define GEOMETRY_UTILS_H
 
+#include <math.h>           // for copysign
+#include <stdlib.h>         // for abs
+
 #include <math/vector2d.h>
 
 class EDA_RECT;

include/geometry/poly_grid_partition.h → libs/kimath/include/geometry/poly_grid_partition.h

@@ -25,14 +25,18 @@
 #ifndef __POLY_GRID_PARTITION_H
 #define __POLY_GRID_PARTITION_H
 
-#include <geometry/seg.h>
-#include <geometry/shape_line_chain.h>
-#include <geometry/shape_rect.h>
 
-#include <vector>
 #include <algorithm>
-#include <unordered_map>
+#include <functional>
 #include <set>
+#include <unordered_map>
+#include <vector>
+
+#include <geometry/seg.h>
+#include <geometry/shape_line_chain.h>
+#include <geometry/shape_rect.h>
+#include <math/util.h>
+#include <math/vector2d.h>
 
 /**
  * Class POLY_GRID_PARTITION
@@ -422,7 +426,7 @@ public:
                 }
             }
         }
-        
+
         if( state.nearest < 0 )
             return 0;
 
@@ -439,7 +443,7 @@ public:
                 return 0;
             }
         }
-        
+
         if( state.dist_max > 0 )
         {
             return m_flags[state.nearest] & LEAD_H ? 1 : 0;

polygon/include/polygon_test_point_inside.h → libs/kimath/include/geometry/polygon_test_point_inside.h

@@ -22,7 +22,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#if 1   // Set to 0 to compile outside wxWidgets
+#ifdef WX_COMPATIBILITY
 #include <wx/gdicmn.h>      // for wxPoint definition
 #else
 // define here wxPoint if we want to compile outside wxWidgets

include/geometry/polygon_triangulation.h → libs/kimath/include/geometry/polygon_triangulation.h

@@ -47,11 +47,14 @@
 #define __POLYGON_TRIANGULATION_H
 
 #include <algorithm>
+#include <deque>
 #include <cmath>
-#include <vector>
-#include <math/box2.h>
 
-#include "clipper.hpp"
+#include <clipper.hpp>
+#include <geometry/shape_line_chain.h>
+#include <geometry/shape_poly_set.h>
+#include <math/box2.h>
+#include <math/vector2d.h>
 
 class PolygonTriangulation
 {

include/geometry/seg.h → libs/kimath/include/geometry/seg.h

@@ -25,11 +25,14 @@
 #ifndef __SEG_H
 #define __SEG_H
 
-#include <cstdio>
-#include <climits>
+#include <math.h>                       // for sqrt
+#include <stdlib.h>                     // for abs
+#include <ostream>                      // for operator<<, ostream, basic_os...
+#include <type_traits>                  // for swap
 
-#include <math/vector2d.h>
 #include <core/optional.h>
+#include <math/util.h>                  // for rescale
+#include <math/vector2d.h>
 
 typedef OPT<VECTOR2I> OPT_VECTOR2I;
 

include/geometry/shape.h → libs/kimath/include/geometry/shape.h

@@ -25,13 +25,15 @@
 #ifndef __SHAPE_H
 #define __SHAPE_H
 
-#include <string>
+#include <assert.h>         // for assert
 #include <sstream>
+#include <stddef.h>         // for NULL
+
+#include <geometry/seg.h>
 
 #include <math/vector2d.h>
 #include <math/box2.h>
 
-#include <geometry/seg.h>
 
 /**
  * Enum SHAPE_TYPE

include/geometry/shape_arc.h → libs/kimath/include/geometry/shape_arc.h

@@ -25,8 +25,10 @@
 #ifndef __SHAPE_ARC_H
 #define __SHAPE_ARC_H
 
-#include <geometry/shape.h>
 #include <geometry/seg.h>
+#include <geometry/shape.h>
+#include <math/box2.h>       // for BOX2I
+#include <math/vector2d.h>   // for VECTOR2I
 
 class SHAPE_LINE_CHAIN;
 

include/geometry/shape_circle.h → libs/kimath/include/geometry/shape_circle.h

@@ -25,7 +25,9 @@
 #ifndef __SHAPE_CIRCLE_H
 #define __SHAPE_CIRCLE_H
 
-#include "shape.h"
+#include <geometry/shape.h>
+#include <math/box2.h>
+#include <math/vector2d.h>
 
 class SHAPE_CIRCLE : public SHAPE
 {

include/geometry/shape_file_io.h → libs/kimath/include/geometry/shape_file_io.h

@@ -27,7 +27,7 @@
 #define __SHAPE_FILE_IO_H
 
 #include <cstdio>
-#include <string>
+#include <string>  // for string
 
 class SHAPE;
 

include/geometry/shape_index.h → libs/kimath/include/geometry/shape_index.h

@@ -27,9 +27,10 @@
 #define __SHAPE_INDEX_H
 
 #include <vector>
-#include <geometry/shape.h>
-#include <geometry/rtree.h>
 
+#include <geometry/rtree.h>
+#include <geometry/shape.h>
+#include <math/box2.h>
 
 /**
  * shapeFunctor template function

include/geometry/shape_index_list.h → libs/kimath/include/geometry/shape_index_list.h

@@ -25,6 +25,12 @@
 #ifndef __SHAPE_INDEX_LIST_H
 #define __SHAPE_INDEX_LIST_H
 
+#include <vector>
+
+#include <geometry/shape.h>
+#include <math/box2.h>
+#include <math/vector2d.h>
+
 template <class T>
 const SHAPE* defaultShapeFunctor( const T aItem )
 {

include/geometry/shape_line_chain.h → libs/kimath/include/geometry/shape_line_chain.h

@@ -26,17 +26,20 @@
 #ifndef __SHAPE_LINE_CHAIN
 #define __SHAPE_LINE_CHAIN
 
+
+#include <algorithm>                    // for max
 #include <sstream>
 #include <vector>
-#include <wx/gdicmn.h>
+#include <wx/gdicmn.h>                  // for wxPoint
 
 #include <core/optional.h>
 
-#include <math/vector2d.h>
-#include <geometry/shape.h>
+#include <clipper.hpp>
 #include <geometry/seg.h>
+#include <geometry/shape.h>
+#include <math/box2.h>                  // for BOX2I
+#include <math/vector2d.h>
 
-#include <clipper.hpp>
 
 /**
  * Class SHAPE_LINE_CHAIN

include/geometry/shape_poly_set.h → libs/kimath/include/geometry/shape_poly_set.h

@@ -26,12 +26,21 @@
 #ifndef __SHAPE_POLY_SET_H
 #define __SHAPE_POLY_SET_H
 
-#include <vector>
 #include <cstdio>
+#include <deque>                        // for deque
+#include <iosfwd>                       // for string, stringstream
 #include <memory>
+#include <set>                          // for set
+#include <stdexcept>                    // for out_of_range
+#include <stdlib.h>                     // for abs
+#include <vector>
+
+#include <clipper.hpp>                  // for ClipType, PolyTree (ptr only)
+#include <geometry/seg.h>               // for SEG
 #include <geometry/shape.h>
 #include <geometry/shape_line_chain.h>
-
+#include <math/box2.h>                  // for BOX2I
+#include <math/vector2d.h>              // for VECTOR2I
 #include <md5_hash.h>
 
 

include/geometry/shape_rect.h → libs/kimath/include/geometry/shape_rect.h

@@ -25,10 +25,11 @@
 #ifndef __SHAPE_RECT_H
 #define __SHAPE_RECT_H
 
+#include <geometry/seg.h>
 #include <geometry/shape.h>
 #include <geometry/shape_line_chain.h>
-#include <geometry/shape_circle.h>
-#include <geometry/seg.h>
+#include <math/box2.h>
+#include <math/vector2d.h>
 
 class SHAPE_RECT : public SHAPE
 {

include/geometry/shape_segment.h → libs/kimath/include/geometry/shape_segment.h

@@ -25,8 +25,10 @@
 #ifndef __SHAPE_SEGMENT_H
 #define __SHAPE_SEGMENT_H
 
-#include <geometry/shape.h>
 #include <geometry/seg.h>
+#include <geometry/shape.h>
+#include <math/box2.h>
+#include <math/vector2d.h>
 
 class SHAPE_SEGMENT : public SHAPE {
 

include/geometry/shape_simple.h → libs/kimath/include/geometry/shape_simple.h

@@ -24,11 +24,11 @@
 #ifndef __SHAPE_SIMPLE_H
 #define __SHAPE_SIMPLE_H
 
-#include <vector>
-
-#include <geometry/shape.h>
 #include <geometry/seg.h>
+#include <geometry/shape.h>
 #include <geometry/shape_line_chain.h>
+#include <math/box2.h>
+#include <math/vector2d.h>
 
 /**
  * Class SHAPE_SIMPLE

include/math/box2.h → libs/kimath/include/math/box2.h

@@ -30,6 +30,7 @@
 #include <math/vector2d.h>
 #include <limits>
 
+// Needed for the OPT definition
 #include <core/optional.h>
 
 /**

include/math/math_util.h → libs/kimath/include/math/util.h

@@ -23,10 +23,56 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#ifndef __MATH_UTIL_H
-#define __MATH_UTIL_H
+#ifndef UTIL_H
+#define UTIL_H
 
 #include <cstdint>
+#include <limits>
+#include <typeinfo>
+#include <wx/debug.h>
+#include <wx/log.h>
+
+/**
+ * Function Clamp
+ * limits @a value within the range @a lower <= @a value <= @a upper.  It will work
+ * on temporary expressions, since they are evaluated only once, and it should work
+ * on most if not all numeric types, string types, or any type for which "operator < ()"
+ * is present. The arguments are accepted in this order so you can remember the
+ * expression as a memory aid:
+ * <p>
+ * result is:  lower <= value <= upper
+ */
+template <typename T> inline const T& Clamp( const T& lower, const T& value, const T& upper )
+{
+    wxASSERT( lower <= upper );
+    if( value < lower )
+        return lower;
+    else if( upper < value )
+        return upper;
+    return value;
+}
+
+/**
+ * Round a floating point number to an integer using "round halfway cases away from zero".
+ *
+ * In Debug build an assert fires if will not fit into the return type.
+ */
+template <typename fp_type, typename ret_type = int>
+constexpr ret_type KiROUND( fp_type v )
+{
+    using max_ret = long long int;
+    fp_type ret = v < 0 ? v - 0.5 : v + 0.5;
+
+    if( std::numeric_limits<ret_type>::max() < ret ||
+        std::numeric_limits<ret_type>::lowest() > ret )
+    {
+        wxLogDebug
+        ( "Overflow KiROUND converting value %f to %s", double( v ), typeid(ret_type).name() );
+        return 0;
+    }
+
+    return ret_type( max_ret( ret ) );
+}
 
 /**
  * Function rescale()
@@ -58,4 +104,4 @@ static inline int round_nearest( double v )
     return int( v < 0 ? v - 0.5 : v + 0.5 );
 }
 
-#endif // __MATH_UTIL_H
+#endif // UTIL_H

include/math/vector2d.h → libs/kimath/include/math/vector2d.h

@@ -32,10 +32,10 @@
 #include <iostream>
 #include <sstream>
 
-#include <math/math_util.h>
+#include <math/util.h>
 
 #ifdef WX_COMPATIBILITY
-        #include <wx/gdicmn.h>
+#include <wx/gdicmn.h>
 #endif
 
 /**

common/bezier_curves.cpp → libs/kimath/src/bezier_curves.cpp

@@ -26,6 +26,10 @@
 /************************************/
 
 #include <bezier_curves.h>
+#include <math/vector2d.h>  // for VECTOR2D, operator*, VECTOR2
+#include <wx/debug.h>       // for wxASSERT
+#include <wx/gdicmn.h>      // for wxPoint
+
 
 BEZIER_POLY::BEZIER_POLY( const std::vector<wxPoint>& aControlPoints )
 {

common/convert_basic_shapes_to_polygon.cpp → libs/kimath/src/convert_basic_shapes_to_polygon.cpp

@@ -24,14 +24,18 @@
  * or you may write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
-#include <vector>
 
-#include <fctsys.h>
-#include <trigo.h>
-#include <macros.h>
-#include <common.h>
+#include <algorithm>                    // for max, min
+#include <math.h>                       // for atan2
+#include <type_traits>                  // for swap
+
 #include <convert_basic_shapes_to_polygon.h>
 #include <geometry/geometry_utils.h>
+#include <geometry/shape_line_chain.h>  // for SHAPE_LINE_CHAIN
+#include <geometry/shape_poly_set.h>    // for SHAPE_POLY_SET, SHAPE_POLY_SE...
+#include <math/util.h>
+#include <math/vector2d.h>              // for VECTOR2I
+#include <trigo.h>
 
 
 void TransformCircleToPolygon( SHAPE_LINE_CHAIN& aBuffer,

common/geometry/convex_hull.cpp → libs/kimath/src/geometry/convex_hull.cpp

@@ -55,12 +55,14 @@
  *  Points in the result will be listed in counter-clockwise order.
  */
 
-#include <geometry/shape_poly_set.h>
 #include <geometry/convex_hull.h>
+#include <geometry/shape_line_chain.h>  // for SHAPE_LINE_CHAIN
+#include <geometry/shape_poly_set.h>
+#include <math/vector2d.h>              // for VECTOR2I
+#include <trigo.h>
 
 #include <algorithm>
 #include <wx/wx.h>
-#include <trigo.h>
 
 
 typedef long long coord2_t;     // must be big enough to hold 2*max(|coordinate|)^2

common/geometry/geometry_utils.cpp → libs/kimath/src/geometry/geometry_utils.cpp

@@ -27,8 +27,12 @@
  * @brief a few functions useful in geometry calculations.
  */
 
+#include <stdint.h>          // for int64_t
+#include <algorithm>         // for max, min
+
 #include <eda_rect.h>
 #include <geometry/geometry_utils.h>
+#include <math/util.h>  // for round_nearest
 
 // To approximate a circle by segments, a minimal seg count is mandatory
 #define MIN_SEGCOUNT_FOR_CIRCLE 6

polygon/polygon_test_point_inside.cpp → libs/kimath/src/geometry/polygon_test_point_inside.cpp

@@ -26,10 +26,7 @@
  * @file polygon_test_point_inside.cpp
  */
 
-#include <cmath>
-#include <vector>
-
-#include "polygon_test_point_inside.h"
+#include <geometry/polygon_test_point_inside.h>
 
 /* this algo uses the the Jordan curve theorem to find if a point is inside or outside a polygon:
  * It run a semi-infinite line horizontally (increasing x, fixed y)

common/geometry/seg.cpp → libs/kimath/src/geometry/seg.cpp

@@ -22,7 +22,10 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
+#include <algorithm>        // for min
 #include <geometry/seg.h>
+#include <math/util.h>      // for rescale
+#include <math/vector2d.h>  // for VECTOR2I, VECTOR2
 
 template <typename T>
 int sgn( T aVal )

common/geometry/shape_arc.cpp → libs/kimath/src/geometry/shape_arc.cpp

@@ -22,12 +22,18 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#include <algorithm>
+#include <assert.h>                     // for assert
+#include <math.h>                       // for cos, sin, M_PI, atan2, ceil
+#include <type_traits>                  // for swap
 #include <vector>
 
 #include <geometry/geometry_utils.h>
+#include <geometry/seg.h>               // for SEG
 #include <geometry/shape_arc.h>
 #include <geometry/shape_line_chain.h>
+#include <math/box2.h>                  // for BOX2I
+#include <math/vector2d.h>              // for VECTOR2I, VECTOR2D, VECTOR2
+
 
 bool SHAPE_ARC::Collide( const SEG& aSeg, int aClearance ) const
 {

common/geometry/shape_collisions.cpp → libs/kimath/src/geometry/shape_collisions.cpp

@@ -22,16 +22,22 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
+
+#include <assert.h>                               // for assert
 #include <cmath>
-#include <math/vector2d.h>
+#include <limits.h>                               // for INT_MAX
+#include <stdlib.h>                               // for abs
 
+#include <geometry/seg.h>                         // for SEG
 #include <geometry/shape.h>
 #include <geometry/shape_arc.h>
 #include <geometry/shape_line_chain.h>
 #include <geometry/shape_circle.h>
 #include <geometry/shape_rect.h>
 #include <geometry/shape_segment.h>
-#include "../../include/geometry/shape_simple.h"
+#include <geometry/shape_simple.h>
+#include <math/box2.h>                            // for BOX2I
+#include <math/vector2d.h>
 
 typedef VECTOR2I::extended_type ecoord;
 

common/geometry/shape_file_io.cpp → libs/kimath/src/geometry/shape_file_io.cpp

@@ -22,8 +22,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-#include <string>
 #include <cassert>
+#include <string>
 
 #include <geometry/shape.h>
 #include <geometry/shape_file_io.h>

common/geometry/shape_line_chain.cpp → libs/kimath/src/geometry/shape_line_chain.cpp

@@ -23,11 +23,17 @@
  */
 
 #include <algorithm>
+#include <limits.h>          // for INT_MAX
+#include <math.h>            // for hypot
+#include <string>            // for basic_string
 
+#include <clipper.hpp>
+#include <geometry/seg.h>    // for SEG, OPT_VECTOR2I
 #include <geometry/shape_line_chain.h>
-#include <geometry/shape_circle.h>
-#include <trigo.h>
-#include "clipper.hpp"
+#include <math/box2.h>       // for BOX2I
+#include <math/util.h>  // for rescale
+#include <math/vector2d.h>   // for VECTOR2, VECTOR2I
+class SHAPE;
 
 
 ClipperLib::Path SHAPE_LINE_CHAIN::convertToClipper( bool aRequiredOrientation ) const

common/geometry/shape_poly_set.cpp → libs/kimath/src/geometry/shape_poly_set.cpp

@@ -26,23 +26,31 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
-
-#include <vector>
+#include <algorithm>
+#include <assert.h>                          // for assert
+#include <cmath>                             // for sqrt, cos, hypot, isinf
 #include <cstdio>
+#include <istream>                           // for operator<<, operator>>
+#include <limits>                            // for numeric_limits
+#include <memory>
 #include <set>
-#include <list>
-#include <algorithm>
+#include <string>                            // for char_traits, operator!=
+#include <type_traits>                       // for swap, move
 #include <unordered_set>
-#include <memory>
-
-#include <md5_hash.h>
-#include <map>
+#include <vector>
 
+#include <clipper.hpp>                       // for Clipper, PolyNode, Clipp...
 #include <geometry/geometry_utils.h>
+#include <geometry/polygon_triangulation.h>
+#include <geometry/seg.h>                    // for SEG, OPT_VECTOR2I
 #include <geometry/shape.h>
 #include <geometry/shape_line_chain.h>
 #include <geometry/shape_poly_set.h>
-#include <geometry/polygon_triangulation.h>
+#include <math/box2.h>                       // for BOX2I
+#include <math/util.h>                  // for round_nearest, rescale
+#include <math/vector2d.h>                   // for VECTOR2I, VECTOR2D, VECTOR2
+#include <md5_hash.h>
+
 
 using namespace ClipperLib;
 

common/math/math_util.cpp → libs/kimath/src/math/util.cpp

@@ -26,7 +26,7 @@
 #include <cmath>
 #include <cstdlib>
 #include <climits>
-#include <math/math_util.h>
+#include <math/util.h>
 
 template<>
 int rescale( int aNumerator, int aValue, int aDenominator )