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/*
* Copyright 2013 Ecole Normale Superieure
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege,
* Ecole Normale Superieure, 45 rue d'Ulm, 75230 Paris, France
*/
#include <isl_multi_macro.h>
/* Coalesce the elements of "multi".
*
* Note that such coalescing does not change the meaning of "multi"
* so there is no need to cow. We do need to be careful not to
* destroy any other copies of "multi" in case of failure.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),coalesce)(__isl_take MULTI(BASE) *multi)
{
int i;
if (!multi)
return NULL;
for (i = 0; i < multi->n; ++i) {
EL *el = FN(EL,copy)(multi->u.p[i]);
el = FN(EL,coalesce)(el);
if (!el)
return FN(MULTI(BASE),free)(multi);
FN(EL,free)(multi->u.p[i]);
multi->u.p[i] = el;
}
return multi;
}
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