AP_Math: reorganize headers

Sort and add pragma once where needed.

libraries/AP_Math/AP_Math.h

@@ -1,25 +1,22 @@
 #pragma once
 
-#include "definitions.h"
-
+#include <cmath>
 #include <limits>
+#include <stdint.h>
 #include <type_traits>
 
 #include <AP_Common/AP_Common.h>
 #include <AP_Param/AP_Param.h>
-#include <cmath>
-#include <stdint.h>
 
+#include "definitions.h"
+#include "edc.h"
+#include "location.h"
+#include "matrix3.h"
+#include "polygon.h"
+#include "quaternion.h"
 #include "rotations.h"
 #include "vector2.h"
 #include "vector3.h"
-#include "matrix3.h"
-#include "quaternion.h"
-#include "polygon.h"
-#include "edc.h"
-#include <AP_Param/AP_Param.h>
-#include "location.h"
-
 
 // define AP_Param types AP_Vector3f and Ap_Matrix3f
 AP_PARAMDEFV(Vector3f, Vector3f, AP_PARAM_VECTOR3F);

libraries/AP_Math/definitions.h

@@ -1,8 +1,8 @@
 #pragma once
 
 #include <cmath>
-#include <AP_HAL/AP_HAL.h>
 
+#include <AP_HAL/AP_HAL.h>
 
 // Double precision math must be activated
 #if defined(DBL_MATH) && CONFIG_HAL_BOARD == HAL_BOARD_LINUX

libraries/AP_Math/polygon.h

@@ -16,6 +16,9 @@
  * You should have received a copy of the GNU General Public License along
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#pragma once
+
+#include "vector2.h"
 
 bool        Polygon_outside(const Vector2l &P, const Vector2l *V, unsigned n);
 bool        Polygon_complete(const Vector2l *V, unsigned n);

libraries/AP_Math/rotations.h

@@ -16,7 +16,7 @@
  * You should have received a copy of the GNU General Public License along
  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
+#pragma once
 
 // these rotations form a full set - every rotation in the following
 // list when combined with another in the list forms an entry which is

libraries/AP_Math/vector3.h

@@ -51,12 +51,12 @@
 #include <cmath>
 #include <float.h>
 #include <string.h>
-
-
 #if MATH_CHECK_INDEXES
 #include <assert.h>
 #endif
 
+#include "rotations.h"
+
 template <typename T>
 class Matrix3;