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54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
/*
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* Copyright 2012 Ecole Normale Superieure
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*
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* Use of this software is governed by the MIT license
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*
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* Written by Sven Verdoolaege,
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* Ecole Normale Superieure, 45 rue d'Ulm, 75230 Paris, France
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*/
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#include <isl/space.h>
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#include <isl/local_space.h>
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#include <isl_multi_macro.h>
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/* Construct a multi expression in the given space with value zero in
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* each of the output dimensions.
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*/
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__isl_give MULTI(BASE) *FN(MULTI(BASE),zero)(__isl_take isl_space *space)
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{
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isl_size n;
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MULTI(BASE) *multi;
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n = isl_space_dim(space , isl_dim_out);
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if (n < 0)
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goto error;
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multi = FN(MULTI(BASE),alloc)(isl_space_copy(space));
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if (!n)
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isl_space_free(space);
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else {
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int i;
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isl_local_space *ls;
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EL *el;
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space = isl_space_domain(space);
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ls = isl_local_space_from_space(space);
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el = FN(EL,zero_on_domain)(ls);
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for (i = 0; i < n; ++i)
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multi = FN(FN(MULTI(BASE),set),BASE)(multi, i,
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FN(EL,copy)(el));
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FN(EL,free)(el);
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}
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return multi;
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error:
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isl_space_free(space);
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return NULL;
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}
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#include "isl_multi_zero_space_templ.c"
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