Check if the relation obviously lies on a hyperplane where the given dimension
has a fixed value and if so, return that value in C<*val>.
+ __isl_give isl_val *
+ isl_basic_map_plain_get_val_if_fixed(
+ __isl_keep isl_basic_map *bmap,
+ enum isl_dim_type type, unsigned pos);
+ __isl_give isl_val *isl_set_plain_get_val_if_fixed(
+ __isl_keep isl_set *set,
+ enum isl_dim_type type, unsigned pos);
+ __isl_give isl_val *isl_map_plain_get_val_if_fixed(
+ __isl_keep isl_map *map,
+ enum isl_dim_type type, unsigned pos);
+
+If the set or relation obviously lies on a hyperplane where the given dimension
+has a fixed value, then return that value.
+Otherwise return NaN.
+
+=item * Stride
+
+ int isl_set_dim_residue_class_val(
+ __isl_keep isl_set *set,
+ int pos, __isl_give isl_val **modulo,
+ __isl_give isl_val **residue);
+
+Check if the values of the given set dimension are equal to a fixed
+value modulo some integer value. If so, assign the modulo to C<*modulo>
+and the fixed value to C<*residue>. If the given dimension attains only
+a single value, then assign C<0> to C<*modulo> and the fixed value to
+C<*residue>.
+If the dimension does not attain only a single value and if no modulo
+can be found then assign C<1> to C<*modulo> and C<1> to C<*residue>.
+
=item * Space
To check whether a set is a parameter domain, use this function:
__isl_give isl_set *isl_set_lower_bound_si(
__isl_take isl_set *set,
enum isl_dim_type type, unsigned pos, int value);
+ __isl_give isl_set *isl_set_lower_bound_val(
+ __isl_take isl_set *set,
+ enum isl_dim_type type, unsigned pos,
+ __isl_take isl_val *value);
__isl_give isl_map *isl_map_lower_bound_si(
__isl_take isl_map *map,
enum isl_dim_type type, unsigned pos, int value);
__isl_give isl_set *isl_set_upper_bound_si(
__isl_take isl_set *set,
enum isl_dim_type type, unsigned pos, int value);
+ __isl_give isl_set *isl_set_upper_bound_val(
+ __isl_take isl_set *set,
+ enum isl_dim_type type, unsigned pos,
+ __isl_take isl_val *value);
__isl_give isl_map *isl_map_upper_bound_si(
__isl_take isl_map *map,
enum isl_dim_type type, unsigned pos, int value);
Intersect the set or relation with the half-space where the given
-dimension has a value bounded by the fixed given value.
+dimension has a value bounded by the fixed given integer value.
__isl_give isl_set *isl_set_equate(__isl_take isl_set *set,
enum isl_dim_type type1, int pos1,
__isl_give isl_map *isl_map_fixed_power(
__isl_take isl_map *map, isl_int exp);
+ __isl_give isl_map *isl_map_fixed_power_val(
+ __isl_take isl_map *map,
+ __isl_take isl_val *exp);
__isl_give isl_union_map *isl_union_map_fixed_power(
__isl_take isl_union_map *umap, isl_int exp);
+ __isl_give isl_union_map *
+ isl_union_map_fixed_power_val(
+ __isl_take isl_union_map *umap,
+ __isl_take isl_val *exp);
Compute the given power of C<map>, where C<exp> is assumed to be non-zero.
If the exponent C<exp> is negative, then the -C<exp> th power of the inverse
int v);
__isl_give isl_vec *isl_vec_set_val(
__isl_take isl_vec *vec, __isl_take isl_val *v);
+ int isl_vec_cmp_element(__isl_keep isl_vec *vec1,
+ __isl_keep isl_vec *vec2, int pos);
__isl_give isl_vec *isl_vec_fdiv_r(__isl_take isl_vec *vec,
isl_int m);