Fixed an issue with reflection of particles in all geometries and also

assigning the normal vector in 2D and 3D.

3D Cartesian geometry is working properly, although it needs testing.

Still issue with ionization boundary.

src/modules/moduleOutput.f90

@@ -31,16 +31,6 @@ MODULE moduleOutput
   LOGICAL:: emOutput   = .FALSE.
 
   CONTAINS
-    FUNCTION outerProduct(a,b) RESULT(s)
-      IMPLICIT NONE
-
-      REAL(8), DIMENSION(1:3):: a, b
-      REAL(8):: s(1:3,1:3)
-
-      s = SPREAD(a, dim = 2, ncopies = 3)*SPREAD(b, dim = 1, ncopies = 3)
-
-    END FUNCTION outerProduct
-
     FUNCTION tensorTrace(a) RESULT(t)
       IMPLICIT NONE
 
@@ -56,6 +46,7 @@ MODULE moduleOutput
       USE moduleConstParam
       USE moduleRefParam
       USE moduleSpecies
+      USE moduleMath
       IMPLICIT NONE
 
       TYPE(outputNode),   INTENT(in)::  rawValues