Mat to C conversions

src/c/Common/Defines.h

@@ -5,4 +5,7 @@
 
 #define SQR(x) ((x)*(x))
 #define MAX(x,y) (x>y)?(x):(y)
-#define MIN(x,y) (x<y)?(x):(y)
\ No newline at end of file
+#define MIN(x,y) (x<y)?(x):(y)
+
+#define mat_to_c(x) (x-1)
+#define c_to_mat(x) (x+1)
\ No newline at end of file