| 1 | /* |
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| 2 | * Copyright 2013 Ecole Normale Superieure |
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| 3 | * |
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| 4 | * Use of this software is governed by the MIT license |
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| 5 | * |
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| 6 | * Written by Sven Verdoolaege, |
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| 7 | * Ecole Normale Superieure, 45 rue d'Ulm, 75230 Paris, France |
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| 8 | */ |
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| 9 | |
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| 10 | #include <isl/set.h> |
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| 11 | |
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| 12 | #include <isl_multi_macro.h> |
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| 13 | |
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| 14 | /* Return the shared domain of the elements of "multi". |
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| 15 | * |
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| 16 | * If "multi" has an explicit domain, then return this domain. |
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| 17 | */ |
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| 18 | __isl_give isl_set *FN(MULTI(BASE),domain)(__isl_take MULTI(BASE) *multi) |
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| 19 | { |
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| 20 | int i; |
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| 21 | isl_set *dom; |
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| 22 | |
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| 23 | if (!multi) |
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| 24 | return NULL; |
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| 25 | |
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| 26 | if (FN(MULTI(BASE),has_explicit_domain)(multi)) { |
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| 27 | dom = FN(MULTI(BASE),get_explicit_domain)(multi); |
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| 28 | FN(MULTI(BASE),free)(multi); |
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| 29 | return dom; |
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| 30 | } |
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| 31 | |
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| 32 | dom = isl_set_universe(FN(MULTI(BASE),get_domain_space)(multi)); |
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| 33 | for (i = 0; i < multi->n; ++i) { |
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| 34 | isl_set *dom_i; |
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| 35 | |
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| 36 | dom_i = FN(EL,domain)(FN(FN(MULTI(BASE),get),BASE)(multi, pos: i)); |
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| 37 | dom = isl_set_intersect(set1: dom, set2: dom_i); |
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| 38 | } |
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| 39 | |
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| 40 | FN(MULTI(BASE),free)(multi); |
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| 41 | return dom; |
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| 42 | } |
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| 43 | |
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