1 files changed, 7 insertions, 1 deletions

diff --git a/src/cubetypes.h b/src/cubetypes.h
index 66839ca..b082518 100644
--- a/src/cubetypes.h
+++ b/src/cubetypes.h
@@ -70,6 +70,12 @@ trans
         bu_mirror, br_mirror, bd_mirror, bl_mirror,
 } Trans;
 
+typedef enum
+niss_type
+{
+        NORMAL, LINEAR, NISS
+} NissType;
+
 
 /* Typedefs ******************************************************************/
 
@@ -291,7 +297,7 @@ solveoptions
         int                       max_solutions;
         int                       nthreads;
         int                       optimal;
-        bool                      can_niss;
+        NissType                  nisstype;
         bool                      verbose;
         bool                      all;
         bool                      print_number;