| #define xCAT(A,B) A ## B |
| #define CAT(A,B) xCAT(A,B) |
| #undef EL |
| #define EL CAT(isl_,BASE) |
| #undef PW_BASE |
| #define PW_BASE CAT(pw_,BASE) |
| #undef PW |
| #define PW CAT(isl_,PW_BASE) |
| #undef UNION_BASE |
| #define UNION_BASE CAT(union_,PW_BASE) |
| #undef UNION |
| #define UNION CAT(isl_,UNION_BASE) |
| #define xFN(TYPE,NAME) TYPE ## _ ## NAME |
| #define FN(TYPE,NAME) xFN(TYPE,NAME) |
| |
| /* Create a union piecewise expression |
| * with the given base expression on a universe domain. |
| */ |
| __isl_give UNION *FN(FN(UNION,from),BASE)(__isl_take EL *el) |
| { |
| return FN(FN(UNION,from),PW_BASE)(FN(FN(PW,from),BASE)(el)); |
| } |