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/*
* Copyright 2019 Cerebras Systems
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege,
* Cerebras Systems, 175 S San Antonio Rd, Los Altos, CA, USA
*/
#include <isl_multi_macro.h>
/* Add "v" to the constant terms of all the base expressions of "multi".
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),add_constant_val)(
__isl_take MULTI(BASE) *multi, __isl_take isl_val *v)
{
isl_bool zero;
isl_size n;
int i;
zero = isl_val_is_zero(v);
n = FN(MULTI(BASE),size)(multi);
if (zero < 0 || n < 0)
goto error;
if (zero || n == 0) {
isl_val_free(v);
return multi;
}
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
goto error;
for (i = 0; i < n; ++i) {
multi->u.p[i] = FN(EL,add_constant_val)(multi->u.p[i],
isl_val_copy(v));
if (!multi->u.p[i])
goto error;
}
isl_val_free(v);
return multi;
error:
FN(MULTI(BASE),free)(multi);
isl_val_free(v);
return NULL;
}
/* Add the elements of "mv" to the constant terms of
* the corresponding base expressions of "multi".
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),add_constant_multi_val)(
__isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
{
isl_space *multi_space, *mv_space;
isl_bool zero, equal;
isl_size n;
int i;
zero = isl_multi_val_is_zero(mv);
n = FN(MULTI(BASE),size)(multi);
multi_space = FN(MULTI(BASE),peek_space)(multi);
mv_space = isl_multi_val_peek_space(mv);
equal = isl_space_tuple_is_equal(multi_space, isl_dim_out,
mv_space, isl_dim_out);
if (zero < 0 || n < 0 || equal < 0)
goto error;
if (!equal)
isl_die(isl_multi_val_get_ctx(mv), isl_error_invalid,
"spaces don't match", goto error);
if (zero || n == 0) {
isl_multi_val_free(mv);
return multi;
}
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
goto error;
for (i = 0; i < n; ++i) {
isl_val *v = isl_multi_val_get_at(mv, i);
multi->u.p[i] = FN(EL,add_constant_val)(multi->u.p[i], v);
if (!multi->u.p[i])
goto error;
}
isl_multi_val_free(mv);
return multi;
error:
FN(MULTI(BASE),free)(multi);
isl_multi_val_free(mv);
return NULL;
}
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