Moved STENCIL_ORDER and NGHOST out of user-defined parameter as these are actually internal defines used to configure the built-in functions. Additionally, renamed all explicitly declared uniforms from dsx -> AC_dsx in the DSL in preparation for having clear connection between DSL uniforms and the library parameter handles created by the user (AcRealParam etc)

include/astaroth_defines.h

@@ -45,6 +45,8 @@ typedef struct {
 #endif // __CUDACC__
 
 // Library flags
+#define STENCIL_ORDER (6)
+#define NGHOST (STENCIL_ORDER / 2)
 #define VERBOSE_PRINTING (1)
 
 // Built-in types and parameters