#include <isl/constraint.h>
#include <isl/seq.h>
#include <isl/set.h>
+#include <isl_val_private.h>
#include <isl_config.h>
#undef BASE
return 0;
}
+/* Return the common denominator of "aff".
+ */
+__isl_give isl_val *isl_aff_get_denominator_val(__isl_keep isl_aff *aff)
+{
+ isl_ctx *ctx;
+
+ if (!aff)
+ return NULL;
+
+ ctx = isl_aff_get_ctx(aff);
+ return isl_val_int_from_isl_int(ctx, aff->v->el[0]);
+}
+
int isl_aff_get_constant(__isl_keep isl_aff *aff, isl_int *v)
{
if (!aff)
return 0;
}
+/* Return the constant term of "aff".
+ */
+__isl_give isl_val *isl_aff_get_constant_val(__isl_keep isl_aff *aff)
+{
+ isl_ctx *ctx;
+ isl_val *v;
+
+ if (!aff)
+ return NULL;
+
+ ctx = isl_aff_get_ctx(aff);
+ v = isl_val_rat_from_isl_int(ctx, aff->v->el[1], aff->v->el[0]);
+ return isl_val_normalize(v);
+}
+
int isl_aff_get_coefficient(__isl_keep isl_aff *aff,
enum isl_dim_type type, int pos, isl_int *v)
{
return 0;
}
+/* Return the coefficient of the variable of type "type" at position "pos"
+ * of "aff".
+ */
+__isl_give isl_val *isl_aff_get_coefficient_val(__isl_keep isl_aff *aff,
+ enum isl_dim_type type, int pos)
+{
+ isl_ctx *ctx;
+ isl_val *v;
+
+ if (!aff)
+ return NULL;
+
+ ctx = isl_aff_get_ctx(aff);
+ if (type == isl_dim_out)
+ isl_die(ctx, isl_error_invalid,
+ "output/set dimension does not have a coefficient",
+ return NULL);
+ if (type == isl_dim_in)
+ type = isl_dim_set;
+
+ if (pos >= isl_local_space_dim(aff->ls, type))
+ isl_die(ctx, isl_error_invalid,
+ "position out of bounds", return NULL);
+
+ pos += isl_local_space_offset(aff->ls, type);
+ v = isl_val_rat_from_isl_int(ctx, aff->v->el[1 + pos], aff->v->el[0]);
+ return isl_val_normalize(v);
+}
+
__isl_give isl_aff *isl_aff_set_denominator(__isl_take isl_aff *aff, isl_int v)
{
aff = isl_aff_cow(aff);
return aff;
}
+/* Replace the constant term of "aff" by "v".
+ */
+__isl_give isl_aff *isl_aff_set_constant_val(__isl_take isl_aff *aff,
+ __isl_take isl_val *v)
+{
+ if (!aff || !v)
+ goto error;
+
+ if (!isl_val_is_rat(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "expecting rational value", goto error);
+
+ if (isl_int_eq(aff->v->el[1], v->n) &&
+ isl_int_eq(aff->v->el[0], v->d)) {
+ isl_val_free(v);
+ return aff;
+ }
+
+ aff = isl_aff_cow(aff);
+ if (!aff)
+ goto error;
+ aff->v = isl_vec_cow(aff->v);
+ if (!aff->v)
+ goto error;
+
+ if (isl_int_eq(aff->v->el[0], v->d)) {
+ isl_int_set(aff->v->el[1], v->n);
+ } else if (isl_int_is_one(v->d)) {
+ isl_int_mul(aff->v->el[1], aff->v->el[0], v->n);
+ } else {
+ isl_seq_scale(aff->v->el + 1,
+ aff->v->el + 1, v->d, aff->v->size - 1);
+ isl_int_mul(aff->v->el[1], aff->v->el[0], v->n);
+ isl_int_mul(aff->v->el[0], aff->v->el[0], v->d);
+ aff->v = isl_vec_normalize(aff->v);
+ if (!aff->v)
+ goto error;
+ }
+
+ isl_val_free(v);
+ return aff;
+error:
+ isl_aff_free(aff);
+ isl_val_free(v);
+ return NULL;
+}
+
__isl_give isl_aff *isl_aff_add_constant(__isl_take isl_aff *aff, isl_int v)
{
if (isl_int_is_zero(v))
return aff;
}
+/* Add "v" to the constant term of "aff".
+ */
+__isl_give isl_aff *isl_aff_add_constant_val(__isl_take isl_aff *aff,
+ __isl_take isl_val *v)
+{
+ if (!aff || !v)
+ goto error;
+
+ if (isl_val_is_zero(v)) {
+ isl_val_free(v);
+ return aff;
+ }
+
+ if (!isl_val_is_rat(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "expecting rational value", goto error);
+
+ aff = isl_aff_cow(aff);
+ if (!aff)
+ goto error;
+
+ aff->v = isl_vec_cow(aff->v);
+ if (!aff->v)
+ goto error;
+
+ if (isl_int_is_one(v->d)) {
+ isl_int_addmul(aff->v->el[1], aff->v->el[0], v->n);
+ } else if (isl_int_eq(aff->v->el[0], v->d)) {
+ isl_int_add(aff->v->el[1], aff->v->el[1], v->n);
+ aff->v = isl_vec_normalize(aff->v);
+ if (!aff->v)
+ goto error;
+ } else {
+ isl_seq_scale(aff->v->el + 1,
+ aff->v->el + 1, v->d, aff->v->size - 1);
+ isl_int_addmul(aff->v->el[1], aff->v->el[0], v->n);
+ isl_int_mul(aff->v->el[0], aff->v->el[0], v->d);
+ aff->v = isl_vec_normalize(aff->v);
+ if (!aff->v)
+ goto error;
+ }
+
+ isl_val_free(v);
+ return aff;
+error:
+ isl_aff_free(aff);
+ isl_val_free(v);
+ return NULL;
+}
+
__isl_give isl_aff *isl_aff_add_constant_si(__isl_take isl_aff *aff, int v)
{
isl_int t;
return aff;
}
+/* Replace the coefficient of the variable of type "type" at position "pos"
+ * of "aff" by "v".
+ */
+__isl_give isl_aff *isl_aff_set_coefficient_val(__isl_take isl_aff *aff,
+ enum isl_dim_type type, int pos, __isl_take isl_val *v)
+{
+ if (!aff || !v)
+ goto error;
+
+ if (type == isl_dim_out)
+ isl_die(aff->v->ctx, isl_error_invalid,
+ "output/set dimension does not have a coefficient",
+ goto error);
+ if (type == isl_dim_in)
+ type = isl_dim_set;
+
+ if (pos >= isl_local_space_dim(aff->ls, type))
+ isl_die(aff->v->ctx, isl_error_invalid,
+ "position out of bounds", goto error);
+
+ if (!isl_val_is_rat(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "expecting rational value", goto error);
+
+ pos += isl_local_space_offset(aff->ls, type);
+ if (isl_int_eq(aff->v->el[1 + pos], v->n) &&
+ isl_int_eq(aff->v->el[0], v->d)) {
+ isl_val_free(v);
+ return aff;
+ }
+
+ aff = isl_aff_cow(aff);
+ if (!aff)
+ goto error;
+ aff->v = isl_vec_cow(aff->v);
+ if (!aff->v)
+ goto error;
+
+ if (isl_int_eq(aff->v->el[0], v->d)) {
+ isl_int_set(aff->v->el[1 + pos], v->n);
+ } else if (isl_int_is_one(v->d)) {
+ isl_int_mul(aff->v->el[1 + pos], aff->v->el[0], v->n);
+ } else {
+ isl_seq_scale(aff->v->el + 1,
+ aff->v->el + 1, v->d, aff->v->size - 1);
+ isl_int_mul(aff->v->el[1 + pos], aff->v->el[0], v->n);
+ isl_int_mul(aff->v->el[0], aff->v->el[0], v->d);
+ aff->v = isl_vec_normalize(aff->v);
+ if (!aff->v)
+ goto error;
+ }
+
+ isl_val_free(v);
+ return aff;
+error:
+ isl_aff_free(aff);
+ isl_val_free(v);
+ return NULL;
+}
+
__isl_give isl_aff *isl_aff_add_coefficient(__isl_take isl_aff *aff,
enum isl_dim_type type, int pos, isl_int v)
{
return aff;
}
+/* Add "v" to the coefficient of the variable of type "type"
+ * at position "pos" of "aff".
+ */
+__isl_give isl_aff *isl_aff_add_coefficient_val(__isl_take isl_aff *aff,
+ enum isl_dim_type type, int pos, __isl_take isl_val *v)
+{
+ if (!aff || !v)
+ goto error;
+
+ if (isl_val_is_zero(v)) {
+ isl_val_free(v);
+ return aff;
+ }
+
+ if (type == isl_dim_out)
+ isl_die(aff->v->ctx, isl_error_invalid,
+ "output/set dimension does not have a coefficient",
+ goto error);
+ if (type == isl_dim_in)
+ type = isl_dim_set;
+
+ if (pos >= isl_local_space_dim(aff->ls, type))
+ isl_die(aff->v->ctx, isl_error_invalid,
+ "position out of bounds", goto error);
+
+ if (!isl_val_is_rat(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "expecting rational value", goto error);
+
+ aff = isl_aff_cow(aff);
+ if (!aff)
+ goto error;
+
+ aff->v = isl_vec_cow(aff->v);
+ if (!aff->v)
+ goto error;
+
+ pos += isl_local_space_offset(aff->ls, type);
+ if (isl_int_is_one(v->d)) {
+ isl_int_addmul(aff->v->el[1 + pos], aff->v->el[0], v->n);
+ } else if (isl_int_eq(aff->v->el[0], v->d)) {
+ isl_int_add(aff->v->el[1 + pos], aff->v->el[1 + pos], v->n);
+ aff->v = isl_vec_normalize(aff->v);
+ if (!aff->v)
+ goto error;
+ } else {
+ isl_seq_scale(aff->v->el + 1,
+ aff->v->el + 1, v->d, aff->v->size - 1);
+ isl_int_addmul(aff->v->el[1 + pos], aff->v->el[0], v->n);
+ isl_int_mul(aff->v->el[0], aff->v->el[0], v->d);
+ aff->v = isl_vec_normalize(aff->v);
+ if (!aff->v)
+ goto error;
+ }
+
+ isl_val_free(v);
+ return aff;
+error:
+ isl_aff_free(aff);
+ isl_val_free(v);
+ return NULL;
+}
+
__isl_give isl_aff *isl_aff_add_coefficient_si(__isl_take isl_aff *aff,
enum isl_dim_type type, int pos, int v)
{
return aff;
}
+/* Multiple "aff" by "v".
+ */
+__isl_give isl_aff *isl_aff_scale_val(__isl_take isl_aff *aff,
+ __isl_take isl_val *v)
+{
+ if (!aff || !v)
+ goto error;
+
+ if (isl_val_is_one(v)) {
+ isl_val_free(v);
+ return aff;
+ }
+
+ if (!isl_val_is_rat(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "expecting rational factor", goto error);
+
+ aff = isl_aff_scale(aff, v->n);
+ aff = isl_aff_scale_down(aff, v->d);
+
+ isl_val_free(v);
+ return aff;
+error:
+ isl_aff_free(aff);
+ isl_val_free(v);
+ return NULL;
+}
+
__isl_give isl_aff *isl_aff_scale_down(__isl_take isl_aff *aff, isl_int f)
{
isl_int gcd;
return aff;
}
+/* Divide "aff" by "v".
+ */
+__isl_give isl_aff *isl_aff_scale_down_val(__isl_take isl_aff *aff,
+ __isl_take isl_val *v)
+{
+ if (!aff || !v)
+ goto error;
+
+ if (isl_val_is_one(v)) {
+ isl_val_free(v);
+ return aff;
+ }
+
+ if (!isl_val_is_rat(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "expecting rational factor", goto error);
+ if (!isl_val_is_pos(v))
+ isl_die(isl_aff_get_ctx(aff), isl_error_invalid,
+ "factor needs to be positive", goto error);
+
+ aff = isl_aff_scale(aff, v->d);
+ aff = isl_aff_scale_down(aff, v->n);
+
+ isl_val_free(v);
+ return aff;
+error:
+ isl_aff_free(aff);
+ isl_val_free(v);
+ return NULL;
+}
+
__isl_give isl_aff *isl_aff_scale_down_ui(__isl_take isl_aff *aff, unsigned f)
{
isl_int v;
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