__isl_take isl_aff_list *list);
__isl_give isl_basic_map *isl_basic_map_from_multi_aff(
__isl_take isl_multi_aff *maff)
+ __isl_give isl_map *isl_map_from_multi_aff(
+ __isl_take isl_multi_aff *maff)
__isl_give isl_set *isl_set_from_pw_multi_aff(
__isl_take isl_pw_multi_aff *pma);
__isl_give isl_map *isl_map_from_pw_multi_aff(
__isl_take isl_printer *p,
__isl_keep isl_set_list *list);
+=head2 Vectors
+
+Vectors can be created, copied and freed using the following functions.
+
+ #include <isl/vec.h>
+ __isl_give isl_vec *isl_vec_alloc(isl_ctx *ctx,
+ unsigned size);
+ __isl_give isl_vec *isl_vec_copy(__isl_keep isl_vec *vec);
+ void isl_vec_free(__isl_take isl_vec *vec);
+
+Note that the elements of a newly created vector may have arbitrary values.
+The elements can be changed and inspected using the following functions.
+
+ isl_ctx *isl_vec_get_ctx(__isl_keep isl_vec *vec);
+ int isl_vec_size(__isl_keep isl_vec *vec);
+ int isl_vec_get_element(__isl_keep isl_vec *vec,
+ int pos, isl_int *v);
+ __isl_give isl_vec *isl_vec_set_element(
+ __isl_take isl_vec *vec, int pos, isl_int v);
+ __isl_give isl_vec *isl_vec_set_element_si(
+ __isl_take isl_vec *vec, int pos, int v);
+ __isl_give isl_vec *isl_vec_set(__isl_take isl_vec *vec,
+ isl_int v);
+ __isl_give isl_vec *isl_vec_set_si(__isl_take isl_vec *vec,
+ int v);
+
+C<isl_vec_get_element> will return a negative value if anything went wrong.
+In that case, the value of C<*v> is undefined.
+
=head2 Matrices
Matrices can be created, copied and freed using the following functions.
__isl_take isl_space *space,
__isl_take isl_aff_list *list);
-An empty piecewise multiple quasi affine expression (one with no cells) or
+An empty piecewise multiple quasi affine expression (one with no cells),
+the zero piecewise multiple quasi affine expression (with value zero
+for each output dimension) or
a piecewise multiple quasi affine expression with a single cell can
be created using the following functions.
#include <isl/aff.h>
__isl_give isl_pw_multi_aff *isl_pw_multi_aff_empty(
__isl_take isl_space *space);
+ __isl_give isl_multi_aff *isl_multi_aff_zero(
+ __isl_take isl_space *space);
__isl_give isl_pw_multi_aff *isl_pw_multi_aff_alloc(
__isl_take isl_set *set,
__isl_take isl_multi_aff *maff);
It can be modified using
#include <isl/aff.h>
+ __isl_give isl_multi_aff *isl_multi_aff_set_aff(
+ __isl_take isl_multi_aff *multi, int pos,
+ __isl_take isl_aff *aff);
__isl_give isl_multi_aff *isl_multi_aff_set_dim_name(
__isl_take isl_multi_aff *maff,
enum isl_dim_type type, unsigned pos, const char *s);