Orientation correction for angle bisector

+ import correction

ho_homog/geometry/__init__.py

@@ -55,7 +55,7 @@ def set_gmsh_option(option, val):
     logger.info(f"Gmsh option {option} set to {val} (previously : {preval}).")
 
 
-from .curves import AbstractCurve, Arc, Line, bndry_logger
+from .curves import Curve, AbstractCurve, Arc, Line, bndry_logger
 from .physical import PhysicalGroup
 from .point import Point
 from .surfaces import (

ho_homog/geometry/tools.py

@@ -73,7 +73,7 @@ def bisector(u, v):
     """
 
     u_, v_ = unit_vect(u), unit_vect(v)
-    bis = np.cross(u_ - v_, E3)
+    bis = np.cross(v_ - u_, E3)
     bis = unit_vect(bis)
     return bis