+#ifndef ISL_MAP_PRIVATE_H
+#define ISL_MAP_PRIVATE_H
+
+#define isl_basic_set isl_basic_map
+#define isl_set isl_map
+#define isl_basic_set_list isl_basic_map_list
+#define isl_set_list isl_map_list
+#include <isl/list.h>
+ISL_DECLARE_LIST(basic_map)
+ISL_DECLARE_LIST(map)
+#include <isl/set.h>
+#include <isl/map.h>
+#include <isl_reordering.h>
+#include <isl/vec.h>
+
+/* A "basic map" is a relation between two sets of variables,
+ * called the "in" and "out" variables.
+ * A "basic set" is a basic map with a zero-dimensional
+ * domain.
+ *
+ * It is implemented as a set with two extra fields:
+ * n_in is the number of in variables
+ * n_out is the number of out variables
+ * n_in + n_out should be equal to set.dim
+ */
+struct isl_basic_map {
+ int ref;
+#define ISL_BASIC_MAP_FINAL (1 << 0)
+#define ISL_BASIC_MAP_EMPTY (1 << 1)
+#define ISL_BASIC_MAP_NO_IMPLICIT (1 << 2)
+#define ISL_BASIC_MAP_NO_REDUNDANT (1 << 3)
+#define ISL_BASIC_MAP_RATIONAL (1 << 4)
+#define ISL_BASIC_MAP_NORMALIZED (1 << 5)
+#define ISL_BASIC_MAP_NORMALIZED_DIVS (1 << 6)
+#define ISL_BASIC_MAP_ALL_EQUALITIES (1 << 7)
+#define ISL_BASIC_SET_FINAL (1 << 0)
+#define ISL_BASIC_SET_EMPTY (1 << 1)
+#define ISL_BASIC_SET_NO_IMPLICIT (1 << 2)
+#define ISL_BASIC_SET_NO_REDUNDANT (1 << 3)
+#define ISL_BASIC_SET_RATIONAL (1 << 4)
+#define ISL_BASIC_SET_NORMALIZED (1 << 5)
+#define ISL_BASIC_SET_NORMALIZED_DIVS (1 << 6)
+#define ISL_BASIC_SET_ALL_EQUALITIES (1 << 7)
+ unsigned flags;
+
+ struct isl_ctx *ctx;
+
+ isl_space *dim;
+ unsigned extra;
+
+ unsigned n_eq;
+ unsigned n_ineq;
+
+ size_t c_size;
+ isl_int **eq;
+ isl_int **ineq;
+
+ unsigned n_div;
+
+ isl_int **div;
+
+ struct isl_vec *sample;
+
+ struct isl_blk block;
+ struct isl_blk block2;
+};
+
+#undef EL
+#define EL isl_basic_set
+
+#include <isl_list_templ.h>
+
+/* A "map" is a (possibly disjoint) union of basic maps.
+ * A "set" is a (possibly disjoint) union of basic sets.
+ *
+ * Currently, the isl_set structure is identical to the isl_map structure
+ * and the library depends on this correspondence internally.
+ * However, users should not depend on this correspondence.
+ */
+struct isl_map {
+ int ref;
+#define ISL_MAP_DISJOINT (1 << 0)
+#define ISL_MAP_NORMALIZED (1 << 1)
+#define ISL_SET_DISJOINT (1 << 0)
+#define ISL_SET_NORMALIZED (1 << 1)
+ unsigned flags;
+
+ struct isl_ctx *ctx;
+
+ isl_space *dim;
+
+ int n;
+
+ size_t size;
+ struct isl_basic_map *p[1];
+};
+
+#undef EL
+#define EL isl_set
+
+#include <isl_list_templ.h>
+
+__isl_give isl_map *isl_map_realign(__isl_take isl_map *map,
+ __isl_take isl_reordering *r);
+__isl_give isl_set *isl_set_realign(__isl_take isl_set *set,
+ __isl_take isl_reordering *r);
+
+__isl_give isl_map *isl_map_reset(__isl_take isl_map *map,
+ enum isl_dim_type type);
+
+__isl_give isl_basic_set *isl_basic_set_reset_space(
+ __isl_take isl_basic_set *bset, __isl_take isl_space *dim);
+__isl_give isl_basic_map *isl_basic_map_reset_space(
+ __isl_take isl_basic_map *bmap, __isl_take isl_space *dim);
+__isl_give isl_map *isl_map_reset_space(__isl_take isl_map *map,
+ __isl_take isl_space *dim);