1 | #define xCAT(A,B) A ## B |
2 | #define CAT(A,B) xCAT(A,B) |
3 | #undef EL |
4 | #define EL CAT(isl_,BASE) |
5 | #undef PW_BASE |
6 | #define PW_BASE CAT(pw_,BASE) |
7 | #undef PW |
8 | #define PW CAT(isl_,PW_BASE) |
9 | #undef UNION_BASE |
10 | #define UNION_BASE CAT(union_,PW_BASE) |
11 | #undef UNION |
12 | #define UNION CAT(isl_,UNION_BASE) |
13 | #define xFN(TYPE,NAME) TYPE ## _ ## NAME |
14 | #define FN(TYPE,NAME) xFN(TYPE,NAME) |
15 | |
16 | /* Create a union piecewise expression |
17 | * with the given base expression on a universe domain. |
18 | */ |
19 | __isl_give UNION *FN(FN(UNION,from),BASE)(__isl_take EL *el) |
20 | { |
21 | return FN(FN(UNION,from),PW_BASE)(FN(FN(PW,from),BASE)(el)); |
22 | } |
23 | |