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/*
* Copyright 2011 Sven Verdoolaege
* Copyright 2012-2013 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/space.h>
#include <isl_val_private.h>
#include <isl_multi_macro.h>
/* Add "multi2" to "multi1" and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),add)(__isl_take MULTI(BASE) *multi1,
__isl_take MULTI(BASE) *multi2)
{
return FN(MULTI(BASE),bin_op)(multi1, multi2, &FN(EL,add));
}
/* Subtract "multi2" from "multi1" and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),sub)(__isl_take MULTI(BASE) *multi1,
__isl_take MULTI(BASE) *multi2)
{
return FN(MULTI(BASE),bin_op)(multi1, multi2, &FN(EL,sub));
}
/* Multiply the elements of "multi" by "v" and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_val)(__isl_take MULTI(BASE) *multi,
__isl_take isl_val *v)
{
int i;
if (!multi || !v)
goto error;
if (isl_val_is_one(v)) {
isl_val_free(v);
return multi;
}
if (!isl_val_is_rat(v))
isl_die(isl_val_get_ctx(v), isl_error_invalid,
"expecting rational factor", goto error);
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
return NULL;
for (i = 0; i < multi->n; ++i) {
multi->u.p[i] = FN(EL,scale_val)(multi->u.p[i],
isl_val_copy(v));
if (!multi->u.p[i])
goto error;
}
isl_val_free(v);
return multi;
error:
isl_val_free(v);
return FN(MULTI(BASE),free)(multi);
}
/* Divide the elements of "multi" by "v" and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_down_val)(
__isl_take MULTI(BASE) *multi, __isl_take isl_val *v)
{
int i;
if (!multi || !v)
goto error;
if (isl_val_is_one(v)) {
isl_val_free(v);
return multi;
}
if (!isl_val_is_rat(v))
isl_die(isl_val_get_ctx(v), isl_error_invalid,
"expecting rational factor", goto error);
if (isl_val_is_zero(v))
isl_die(isl_val_get_ctx(v), isl_error_invalid,
"cannot scale down by zero", goto error);
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
return NULL;
for (i = 0; i < multi->n; ++i) {
multi->u.p[i] = FN(EL,scale_down_val)(multi->u.p[i],
isl_val_copy(v));
if (!multi->u.p[i])
goto error;
}
isl_val_free(v);
return multi;
error:
isl_val_free(v);
return FN(MULTI(BASE),free)(multi);
}
/* Multiply the elements of "multi" by the corresponding element of "mv"
* and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_multi_val)(
__isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
{
int i;
if (!multi || !mv)
goto error;
if (!isl_space_tuple_is_equal(multi->space, isl_dim_out,
mv->space, isl_dim_set))
isl_die(isl_multi_val_get_ctx(mv), isl_error_invalid,
"spaces don't match", goto error);
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
goto error;
for (i = 0; i < multi->n; ++i) {
isl_val *v;
v = isl_multi_val_get_val(mv, i);
multi->u.p[i] = FN(EL,scale_val)(multi->u.p[i], v);
if (!multi->u.p[i])
goto error;
}
isl_multi_val_free(mv);
return multi;
error:
isl_multi_val_free(mv);
return FN(MULTI(BASE),free)(multi);
}
/* Divide the elements of "multi" by the corresponding element of "mv"
* and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_down_multi_val)(
__isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
{
int i;
if (!multi || !mv)
goto error;
if (!isl_space_tuple_is_equal(multi->space, isl_dim_out,
mv->space, isl_dim_set))
isl_die(isl_multi_val_get_ctx(mv), isl_error_invalid,
"spaces don't match", goto error);
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
return NULL;
for (i = 0; i < multi->n; ++i) {
isl_val *v;
v = isl_multi_val_get_val(mv, i);
multi->u.p[i] = FN(EL,scale_down_val)(multi->u.p[i], v);
if (!multi->u.p[i])
goto error;
}
isl_multi_val_free(mv);
return multi;
error:
isl_multi_val_free(mv);
return FN(MULTI(BASE),free)(multi);
}
/* Compute the residues of the elements of "multi" modulo
* the corresponding element of "mv" and return the result.
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),mod_multi_val)(
__isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
{
int i;
if (!multi || !mv)
goto error;
if (!isl_space_tuple_is_equal(multi->space, isl_dim_out,
mv->space, isl_dim_set))
isl_die(isl_multi_val_get_ctx(mv), isl_error_invalid,
"spaces don't match", goto error);
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
goto error;
for (i = 0; i < multi->n; ++i) {
isl_val *v;
v = isl_multi_val_get_val(mv, i);
multi->u.p[i] = FN(EL,mod_val)(multi->u.p[i], v);
if (!multi->u.p[i])
goto error;
}
isl_multi_val_free(mv);
return multi;
error:
isl_multi_val_free(mv);
return FN(MULTI(BASE),free)(multi);
}
/* Return the opposite of "multi".
*/
__isl_give MULTI(BASE) *FN(MULTI(BASE),neg)(__isl_take MULTI(BASE) *multi)
{
int i;
multi = FN(MULTI(BASE),cow)(multi);
if (!multi)
return NULL;
for (i = 0; i < multi->n; ++i) {
multi->u.p[i] = FN(EL,neg)(multi->u.p[i]);
if (!multi->u.p[i])
return FN(MULTI(BASE),free)(multi);
}
return multi;
}
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