#include "isl_polynomial_private.h"
#include <isl/union_map.h>
#include <isl_mat_private.h>
+#include <isl_aff_private.h>
+#include <isl/list.h>
struct variable {
char *name;
int pos;
- isl_vec *def;
- /* non-zero if variable represents a min (-1) or a max (1) */
- int sign;
- isl_mat *list;
struct variable *next;
};
{
while (var) {
struct variable *next = var->next;
- isl_mat_free(var->list);
- isl_vec_free(var->def);
free(var->name);
free(var);
var = next;
var = v->v;
while (--n >= 0) {
struct variable *next = var->next;
- isl_mat_free(var->list);
- isl_vec_free(var->def);
free(var->name);
free(var);
var = next;
var->name = strdup(name);
var->name[len] = '\0';
var->pos = pos;
- var->def = NULL;
var->next = v->v;
return var;
error:
return 0;
}
-static __isl_give isl_basic_map *set_name(__isl_take isl_basic_map *bmap,
+static __isl_give isl_map *set_name(__isl_take isl_map *map,
enum isl_dim_type type, unsigned pos, char *name)
{
char *prime;
- if (!bmap)
+ if (!map)
return NULL;
if (!name)
- return bmap;
+ return map;
prime = strchr(name, '\'');
if (prime)
*prime = '\0';
- bmap = isl_basic_map_set_dim_name(bmap, type, pos, name);
+ map = isl_map_set_dim_name(map, type, pos, name);
if (prime)
*prime = '\'';
- return bmap;
+ return map;
}
/* Obtain next token, with some preprocessing.
* We introduce an integer division q = [aff/d] and the result
* is set to aff - d q.
*/
-static __isl_give isl_vec *affine_mod(struct isl_stream *s,
- struct vars *v, __isl_take isl_vec *aff)
+static __isl_give isl_pw_aff *affine_mod(struct isl_stream *s,
+ struct vars *v, __isl_take isl_pw_aff *aff)
{
struct isl_token *tok;
- struct variable *var;
- isl_vec *mod;
+ isl_pw_aff *q;
tok = next_token(s);
if (!tok || tok->type != ISL_TOKEN_VALUE) {
goto error;
}
- if (vars_add_anon(v) < 0)
+ q = isl_pw_aff_copy(aff);
+ q = isl_pw_aff_scale_down(q, tok->u.v);
+ q = isl_pw_aff_floor(q);
+ q = isl_pw_aff_scale(q, tok->u.v);
+
+ aff = isl_pw_aff_sub(aff, q);
+
+ isl_token_free(tok);
+ return aff;
+error:
+ isl_pw_aff_free(aff);
+ isl_token_free(tok);
+ return NULL;
+}
+
+static __isl_give isl_pw_aff *accept_affine(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v);
+static __isl_give isl_pw_aff_list *accept_affine_list(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v);
+
+static __isl_give isl_pw_aff *accept_minmax(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v)
+{
+ struct isl_token *tok;
+ isl_pw_aff_list *list = NULL;
+ int min;
+
+ tok = isl_stream_next_token(s);
+ if (!tok)
goto error;
+ min = tok->type == ISL_TOKEN_MIN;
+ isl_token_free(tok);
- var = v->v;
+ if (isl_stream_eat(s, '('))
+ goto error;
- var->def = isl_vec_alloc(s->ctx, 2 + v->n);
- if (!var->def)
+ list = accept_affine_list(s, isl_dim_copy(dim), v);
+ if (!list)
goto error;
- isl_seq_cpy(var->def->el + 1, aff->el, aff->size);
- isl_int_set_si(var->def->el[1 + aff->size], 0);
- isl_int_set(var->def->el[0], tok->u.v);
- mod = isl_vec_alloc(v->ctx, 1 + v->n);
- if (!mod)
+ if (isl_stream_eat(s, ')'))
goto error;
- isl_seq_cpy(mod->el, aff->el, aff->size);
- isl_int_neg(mod->el[aff->size], tok->u.v);
+ isl_dim_free(dim);
+ return min ? isl_pw_aff_list_min(list) : isl_pw_aff_list_max(list);
+error:
+ isl_dim_free(dim);
+ isl_pw_aff_list_free(list);
+ return NULL;
+}
+
+static __isl_give isl_pw_aff *accept_div(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v)
+{
+ struct isl_token *tok;
+ int seen_paren = 0;
+ int f = 0;
+ int c = 0;
+ isl_pw_aff *pwaff = NULL;
+
+ if (isl_stream_eat_if_available(s, ISL_TOKEN_FLOORD))
+ f = 1;
+ else if (isl_stream_eat_if_available(s, ISL_TOKEN_CEILD))
+ c = 1;
+ if (f || c) {
+ if (isl_stream_eat(s, '('))
+ goto error;
+ } else {
+ if (isl_stream_eat(s, '['))
+ goto error;
+ if (isl_stream_eat_if_available(s, '('))
+ seen_paren = 1;
+ }
+
+ pwaff = accept_affine(s, isl_dim_copy(dim), v);
+
+ if (f || c) {
+ if (isl_stream_eat(s, ','))
+ goto error;
+ } else {
+ if (seen_paren && isl_stream_eat(s, ')'))
+ goto error;
+ if (isl_stream_eat(s, '/'))
+ goto error;
+ }
- isl_vec_free(aff);
+ tok = next_token(s);
+ if (!tok)
+ goto error;
+ if (tok->type != ISL_TOKEN_VALUE) {
+ isl_stream_error(s, tok, "expected denominator");
+ isl_stream_push_token(s, tok);
+ goto error;
+ }
+ isl_pw_aff_scale_down(pwaff, tok->u.v);
isl_token_free(tok);
- return mod;
+
+ if (c)
+ pwaff = isl_pw_aff_ceil(pwaff);
+ else
+ pwaff = isl_pw_aff_floor(pwaff);
+
+ if (f || c) {
+ if (isl_stream_eat(s, ')'))
+ goto error;
+ } else {
+ if (isl_stream_eat(s, ']'))
+ goto error;
+ }
+
+ isl_dim_free(dim);
+ return pwaff;
error:
- isl_vec_free(aff);
- isl_token_free(tok);
+ isl_dim_free(dim);
+ isl_pw_aff_free(pwaff);
return NULL;
}
-static struct isl_vec *accept_affine(struct isl_stream *s, struct vars *v);
-static int read_div_definition(struct isl_stream *s, struct vars *v);
-static int read_minmax_definition(struct isl_stream *s, struct vars *v);
-
-static __isl_give isl_vec *accept_affine_factor(struct isl_stream *s,
- struct vars *v)
+static __isl_give isl_pw_aff *accept_affine_factor(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v)
{
struct isl_token *tok = NULL;
- isl_vec *aff = NULL;
+ isl_pw_aff *res = NULL;
tok = next_token(s);
if (!tok) {
if (tok->type == ISL_TOKEN_IDENT) {
int n = v->n;
int pos = vars_pos(v, tok->u.s, -1);
+ isl_aff *aff;
+
if (pos < 0)
goto error;
if (pos >= n) {
goto error;
}
- aff = isl_vec_alloc(v->ctx, 1 + v->n);
+ aff = isl_aff_zero(isl_local_space_from_dim(isl_dim_copy(dim)));
if (!aff)
goto error;
- isl_seq_clr(aff->el, aff->size);
- isl_int_set_si(aff->el[1 + pos], 1);
+ isl_int_set_si(aff->v->el[2 + pos], 1);
+ res = isl_pw_aff_from_aff(aff);
isl_token_free(tok);
} else if (tok->type == ISL_TOKEN_VALUE) {
if (isl_stream_eat_if_available(s, '*')) {
- aff = accept_affine_factor(s, v);
- aff = isl_vec_scale(aff, tok->u.v);
+ res = accept_affine_factor(s, isl_dim_copy(dim), v);
+ res = isl_pw_aff_scale(res, tok->u.v);
} else {
- aff = isl_vec_alloc(v->ctx, 1 + v->n);
- if (!aff)
- goto error;
- isl_seq_clr(aff->el, aff->size);
- isl_int_set(aff->el[0], tok->u.v);
+ isl_local_space *ls;
+ isl_aff *aff;
+ ls = isl_local_space_from_dim(isl_dim_copy(dim));
+ aff = isl_aff_zero(ls);
+ aff = isl_aff_add_constant(aff, tok->u.v);
+ res = isl_pw_aff_from_aff(aff);
}
isl_token_free(tok);
} else if (tok->type == '(') {
isl_token_free(tok);
tok = NULL;
- aff = accept_affine(s, v);
- if (!aff)
+ res = accept_affine(s, isl_dim_copy(dim), v);
+ if (!res)
goto error;
if (isl_stream_eat(s, ')'))
goto error;
} else if (tok->type == '[' ||
tok->type == ISL_TOKEN_FLOORD ||
tok->type == ISL_TOKEN_CEILD) {
- int ceil = tok->type == ISL_TOKEN_CEILD;
- struct variable *var;
- if (vars_add_anon(v) < 0)
- goto error;
- var = v->v;
- aff = isl_vec_alloc(v->ctx, 1 + v->n);
- if (!aff)
- goto error;
- isl_seq_clr(aff->el, aff->size);
- isl_int_set_si(aff->el[1 + v->n - 1], ceil ? -1 : 1);
isl_stream_push_token(s, tok);
tok = NULL;
- if (read_div_definition(s, v) < 0)
- goto error;
- if (ceil)
- isl_seq_neg(var->def->el + 1, var->def->el + 1,
- var->def->size - 1);
- aff = isl_vec_zero_extend(aff, 1 + v->n);
+ res = accept_div(s, isl_dim_copy(dim), v);
} else if (tok->type == ISL_TOKEN_MIN || tok->type == ISL_TOKEN_MAX) {
- if (vars_add_anon(v) < 0)
- goto error;
- aff = isl_vec_alloc(v->ctx, 1 + v->n);
- if (!aff)
- goto error;
- isl_seq_clr(aff->el, aff->size);
- isl_int_set_si(aff->el[1 + v->n - 1], 1);
isl_stream_push_token(s, tok);
tok = NULL;
- if (read_minmax_definition(s, v) < 0)
- goto error;
- aff = isl_vec_zero_extend(aff, 1 + v->n);
+ res = accept_minmax(s, isl_dim_copy(dim), v);
} else {
isl_stream_error(s, tok, "expecting factor");
goto error;
}
- if (isl_stream_eat_if_available(s, '%'))
- return affine_mod(s, v, aff);
+ if (isl_stream_eat_if_available(s, '%')) {
+ isl_dim_free(dim);
+ return affine_mod(s, v, res);
+ }
if (isl_stream_eat_if_available(s, '*')) {
isl_int f;
isl_int_init(f);
isl_int_clear(f);
goto error2;
}
- aff = isl_vec_scale(aff, f);
+ res = isl_pw_aff_scale(res, f);
isl_int_clear(f);
}
- return aff;
+ isl_dim_free(dim);
+ return res;
error:
isl_token_free(tok);
error2:
- isl_vec_free(aff);
+ isl_pw_aff_free(res);
+ isl_dim_free(dim);
return NULL;
}
-static struct isl_vec *accept_affine(struct isl_stream *s, struct vars *v)
+static __isl_give isl_pw_aff *add_cst(__isl_take isl_pw_aff *pwaff, isl_int v)
+{
+ isl_aff *aff;
+
+ aff = isl_aff_zero(isl_local_space_from_dim(isl_pw_aff_get_dim(pwaff)));
+ aff = isl_aff_add_constant(aff, v);
+
+ return isl_pw_aff_add(pwaff, isl_pw_aff_from_aff(aff));
+}
+
+static __isl_give isl_pw_aff *accept_affine(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v)
{
struct isl_token *tok = NULL;
- struct isl_vec *aff;
+ isl_local_space *ls;
+ isl_pw_aff *res;
int sign = 1;
- aff = isl_vec_alloc(v->ctx, 1 + v->n);
- if (!aff)
- return NULL;
- isl_seq_clr(aff->el, aff->size);
+ ls = isl_local_space_from_dim(isl_dim_copy(dim));
+ res = isl_pw_aff_from_aff(isl_aff_zero(ls));
+ if (!res)
+ goto error;
for (;;) {
tok = next_token(s);
tok->type == ISL_TOKEN_FLOORD ||
tok->type == ISL_TOKEN_CEILD ||
tok->type == ISL_TOKEN_IDENT) {
- isl_vec *aff2;
+ isl_pw_aff *term;
isl_stream_push_token(s, tok);
tok = NULL;
- aff2 = accept_affine_factor(s, v);
+ term = accept_affine_factor(s, isl_dim_copy(dim), v);
if (sign < 0)
- aff2 = isl_vec_scale(aff2, s->ctx->negone);
- aff = isl_vec_zero_extend(aff, 1 + v->n);
- aff = isl_vec_add(aff, aff2);
- if (!aff)
+ res = isl_pw_aff_sub(res, term);
+ else
+ res = isl_pw_aff_add(res, term);
+ if (!res)
goto error;
sign = 1;
} else if (tok->type == ISL_TOKEN_VALUE) {
isl_int_neg(tok->u.v, tok->u.v);
if (isl_stream_eat_if_available(s, '*') ||
isl_stream_next_token_is(s, ISL_TOKEN_IDENT)) {
- isl_vec *aff2;
- aff2 = accept_affine_factor(s, v);
- aff2 = isl_vec_scale(aff2, tok->u.v);
- aff = isl_vec_zero_extend(aff, 1 + v->n);
- aff = isl_vec_add(aff, aff2);
- if (!aff)
+ isl_pw_aff *term;
+ term = accept_affine_factor(s,
+ isl_dim_copy(dim), v);
+ term = isl_pw_aff_scale(term, tok->u.v);
+ res = isl_pw_aff_add(res, term);
+ if (!res)
goto error;
} else {
- isl_int_add(aff->el[0], aff->el[0], tok->u.v);
+ res = add_cst(res, tok->u.v);
}
sign = 1;
} else {
isl_stream_error(s, tok, "unexpected isl_token");
isl_stream_push_token(s, tok);
- isl_vec_free(aff);
+ isl_pw_aff_free(res);
+ isl_dim_free(dim);
return NULL;
}
isl_token_free(tok);
}
}
- return aff;
+ isl_dim_free(dim);
+ return res;
error:
+ isl_dim_free(dim);
isl_token_free(tok);
- isl_vec_free(aff);
+ isl_pw_aff_free(res);
return NULL;
}
-/* Add any variables in the variable list "v" that are not already in "bmap"
- * as existentially quantified variables in "bmap".
- */
-static __isl_give isl_basic_map *add_divs(__isl_take isl_basic_map *bmap,
- struct vars *v)
+static __isl_give isl_map *read_var_def(struct isl_stream *s,
+ __isl_take isl_map *map, enum isl_dim_type type, struct vars *v)
{
- int i;
- int extra;
- struct variable *var;
-
- extra = v->n - isl_basic_map_total_dim(bmap);
-
- if (extra == 0)
- return bmap;
-
- bmap = isl_basic_map_extend_dim(bmap, isl_basic_map_get_dim(bmap),
- extra, 0, 2 * extra);
-
- for (i = 0; i < extra; ++i)
- if (isl_basic_map_alloc_div(bmap) < 0)
- goto error;
-
- for (i = 0, var = v->v; i < extra; ++i, var = var->next) {
- int k = bmap->n_div - 1 - i;
-
- isl_seq_cpy(bmap->div[k], var->def->el, var->def->size);
- isl_seq_clr(bmap->div[k] + var->def->size,
- 2 + v->n - var->def->size);
-
- if (isl_basic_map_add_div_constraints(bmap, k) < 0)
- goto error;
- }
-
- return bmap;
-error:
- isl_basic_map_free(bmap);
- return NULL;
-}
-
-static __isl_give isl_basic_map *read_var_def(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
-{
- isl_dim *dim;
- isl_basic_map *def = NULL;
- struct isl_vec *vec;
- int k;
- int n;
-
- if (vars_add_anon(v) < 0)
- goto error;
- n = v->n;
+ isl_pw_aff *def;
+ int pos;
+ isl_map *def_map;
- vec = accept_affine(s, v);
- if (!vec)
- goto error;
+ pos = isl_map_dim(map, isl_dim_in);
+ if (type == isl_dim_out)
+ pos += isl_map_dim(map, isl_dim_out);
+ --pos;
- dim = isl_basic_map_get_dim(bmap);
- def = isl_basic_map_universe(dim);
- def = add_divs(def, v);
- def = isl_basic_map_extend_constraints(def, 1, 0);
- k = isl_basic_map_alloc_equality(def);
- if (k >= 0) {
- isl_seq_cpy(def->eq[k], vec->el, vec->size);
- isl_int_set_si(def->eq[k][1 + n - 1], -1);
- }
- isl_vec_free(vec);
- if (k < 0)
- goto error;
+ def = accept_affine(s, isl_dim_wrap(isl_map_get_dim(map)), v);
+ def_map = isl_map_from_pw_aff(def);
+ def_map = isl_map_equate(def_map, isl_dim_in, pos, isl_dim_out, 0);
+ def_map = isl_set_unwrap(isl_map_domain(def_map));
- vars_drop(v, v->n - n);
+ map = isl_map_intersect(map, def_map);
- def = isl_basic_map_simplify(def);
- def = isl_basic_map_finalize(def);
- bmap = isl_basic_map_intersect(bmap, def);
- return bmap;
-error:
- isl_basic_map_free(bmap);
- isl_basic_map_free(def);
- return NULL;
+ return map;
}
-static __isl_give isl_basic_map *read_var_list(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
+static __isl_give isl_map *read_var_list(struct isl_stream *s,
+ __isl_take isl_map *map, enum isl_dim_type type, struct vars *v)
{
int i = 0;
struct isl_token *tok;
}
if (new_name) {
- bmap = isl_basic_map_add(bmap, type, 1);
- bmap = set_name(bmap, type, i, v->v->name);
+ map = isl_map_add_dims(map, type, 1);
+ map = set_name(map, type, i, v->v->name);
isl_token_free(tok);
} else if (tok->type == ISL_TOKEN_IDENT ||
tok->type == ISL_TOKEN_VALUE ||
}
isl_stream_push_token(s, tok);
tok = NULL;
- bmap = isl_basic_map_add(bmap, type, 1);
- bmap = read_var_def(s, bmap, type, v);
+ if (vars_add_anon(v) < 0)
+ goto error;
+ map = isl_map_add_dims(map, type, 1);
+ map = read_var_def(s, map, type, v);
} else
break;
if (tok)
isl_stream_push_token(s, tok);
- return bmap;
+ return map;
error:
isl_token_free(tok);
- isl_basic_map_free(bmap);
+ isl_map_free(map);
return NULL;
}
-static __isl_give isl_mat *accept_affine_list(struct isl_stream *s,
- struct vars *v)
+static __isl_give isl_pw_aff_list *accept_affine_list(struct isl_stream *s,
+ __isl_take isl_dim *dim, struct vars *v)
{
- struct isl_vec *vec;
- struct isl_mat *mat;
+ isl_pw_aff *pwaff;
+ isl_pw_aff_list *list;
struct isl_token *tok = NULL;
- vec = accept_affine(s, v);
- mat = isl_mat_from_row_vec(vec);
- if (!mat)
- return NULL;
+ pwaff = accept_affine(s, isl_dim_copy(dim), v);
+ list = isl_pw_aff_list_from_pw_aff(pwaff);
+ if (!list)
+ goto error;
for (;;) {
tok = isl_stream_next_token(s);
}
isl_token_free(tok);
- vec = accept_affine(s, v);
- mat = isl_mat_add_zero_cols(mat, 1 + v->n - isl_mat_cols(mat));
- mat = isl_mat_vec_concat(mat, vec);
- if (!mat)
+ pwaff = accept_affine(s, isl_dim_copy(dim), v);
+ list = isl_pw_aff_list_concat(list,
+ isl_pw_aff_list_from_pw_aff(pwaff));
+ if (!list)
return NULL;
}
- return mat;
+ isl_dim_free(dim);
+ return list;
error:
- isl_mat_free(mat);
+ isl_dim_free(dim);
+ isl_pw_aff_list_free(list);
return NULL;
}
-static int read_minmax_definition(struct isl_stream *s, struct vars *v)
-{
- struct isl_token *tok;
- struct variable *var;
-
- var = v->v;
-
- tok = isl_stream_next_token(s);
- if (!tok)
- return -1;
- var->sign = tok->type == ISL_TOKEN_MIN ? -1 : 1;
- isl_token_free(tok);
-
- if (isl_stream_eat(s, '('))
- return -1;
-
- var->list = accept_affine_list(s, v);
- if (!var->list)
- return -1;
-
- if (isl_stream_eat(s, ')'))
- return -1;
-
- return 0;
-}
-
-static int read_div_definition(struct isl_stream *s, struct vars *v)
-{
- struct isl_token *tok;
- int seen_paren = 0;
- struct isl_vec *aff;
- struct variable *var;
- int fc = 0;
-
- if (isl_stream_eat_if_available(s, ISL_TOKEN_FLOORD) ||
- isl_stream_eat_if_available(s, ISL_TOKEN_CEILD)) {
- fc = 1;
- if (isl_stream_eat(s, '('))
- return -1;
- } else {
- if (isl_stream_eat(s, '['))
- return -1;
- if (isl_stream_eat_if_available(s, '('))
- seen_paren = 1;
- }
-
- var = v->v;
-
- aff = accept_affine(s, v);
- if (!aff)
- return -1;
-
- var->def = isl_vec_alloc(s->ctx, 2 + v->n);
- if (!var->def) {
- isl_vec_free(aff);
- return -1;
- }
-
- isl_seq_cpy(var->def->el + 1, aff->el, aff->size);
-
- isl_vec_free(aff);
-
- if (fc) {
- if (isl_stream_eat(s, ','))
- return -1;
- } else {
- if (seen_paren && isl_stream_eat(s, ')'))
- return -1;
- if (isl_stream_eat(s, '/'))
- return -1;
- }
-
- tok = next_token(s);
- if (!tok)
- return -1;
- if (tok->type != ISL_TOKEN_VALUE) {
- isl_stream_error(s, tok, "expected denominator");
- isl_stream_push_token(s, tok);
- return -1;
- }
- isl_int_set(var->def->el[0], tok->u.v);
- isl_token_free(tok);
-
- if (fc) {
- if (isl_stream_eat(s, ')'))
- return -1;
- } else {
- if (isl_stream_eat(s, ']'))
- return -1;
- }
-
- return 0;
-}
-
-static struct isl_basic_map *add_div_definition(struct isl_stream *s,
- struct vars *v, struct isl_basic_map *bmap, int pos)
-{
- struct variable *var = v->v;
- unsigned o_out = isl_basic_map_offset(bmap, isl_dim_out) - 1;
-
- if (read_div_definition(s, v) < 0)
- goto error;
-
- if (isl_basic_map_add_div_constraints_var(bmap, o_out + pos,
- var->def->el) < 0)
- goto error;
-
- return bmap;
-error:
- isl_basic_map_free(bmap);
- return NULL;
-}
-
-static struct isl_basic_map *read_defined_var_list(struct isl_stream *s,
- struct vars *v, struct isl_basic_map *bmap)
+static __isl_give isl_map *read_defined_var_list(struct isl_stream *s,
+ struct vars *v, __isl_take isl_map *map)
{
struct isl_token *tok;
while ((tok = isl_stream_next_token(s)) != NULL) {
int p;
int n = v->n;
- unsigned n_out = isl_basic_map_dim(bmap, isl_dim_out);
if (tok->type != ISL_TOKEN_IDENT)
break;
goto error;
}
- bmap = isl_basic_map_cow(bmap);
- bmap = isl_basic_map_add(bmap, isl_dim_out, 1);
- bmap = isl_basic_map_extend_dim(bmap, isl_dim_copy(bmap->dim),
- 0, 0, 2);
+ map = isl_map_add_dims(map, isl_dim_out, 1);
isl_token_free(tok);
tok = isl_stream_next_token(s);
if (tok && tok->type == '=') {
isl_token_free(tok);
- bmap = add_div_definition(s, v, bmap, n_out);
+ map = read_var_def(s, map, isl_dim_out, v);
tok = isl_stream_next_token(s);
}
if (tok)
isl_stream_push_token(s, tok);
- return bmap;
+ return map;
error:
isl_token_free(tok);
- isl_basic_map_free(bmap);
+ isl_map_free(map);
return NULL;
}
return is_tuple;
}
-static __isl_give isl_basic_map *read_tuple(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v);
+static __isl_give isl_map *read_tuple(struct isl_stream *s,
+ __isl_take isl_map *map, enum isl_dim_type type, struct vars *v);
-static __isl_give isl_basic_map *read_nested_tuple(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, struct vars *v)
+static __isl_give isl_map *read_nested_tuple(struct isl_stream *s,
+ __isl_take isl_map *map, struct vars *v)
{
- bmap = read_tuple(s, bmap, isl_dim_in, v);
+ map = read_tuple(s, map, isl_dim_in, v);
if (isl_stream_eat(s, ISL_TOKEN_TO))
goto error;
- bmap = read_tuple(s, bmap, isl_dim_out, v);
- bmap = isl_basic_map_from_range(isl_basic_map_wrap(bmap));
- return bmap;
+ map = read_tuple(s, map, isl_dim_out, v);
+ map = isl_map_from_range(isl_map_wrap(map));
+ return map;
error:
- isl_basic_map_free(bmap);
+ isl_map_free(map);
return NULL;
}
-static __isl_give isl_basic_map *read_tuple(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, enum isl_dim_type type, struct vars *v)
+static __isl_give isl_map *read_tuple(struct isl_stream *s,
+ __isl_take isl_map *map, enum isl_dim_type type, struct vars *v)
{
struct isl_token *tok;
char *name = NULL;
}
isl_token_free(tok);
if (type != isl_dim_param && next_is_tuple(s)) {
- isl_dim *dim = isl_basic_map_get_dim(bmap);
+ isl_dim *dim = isl_map_get_dim(map);
int nparam = isl_dim_size(dim, isl_dim_param);
int n_in = isl_dim_size(dim, isl_dim_in);
- isl_basic_map *nested;
+ isl_map *nested;
if (type == isl_dim_out)
dim = isl_dim_move(dim, isl_dim_param, nparam,
isl_dim_in, 0, n_in);
- nested = isl_basic_map_alloc_dim(dim, 0, 0, 0);
+ nested = isl_map_universe(dim);
nested = read_nested_tuple(s, nested, v);
if (type == isl_dim_in) {
- nested = isl_basic_map_reverse(nested);
- bmap = isl_basic_map_intersect(nested, bmap);
+ nested = isl_map_reverse(nested);
+ map = isl_map_intersect(nested, map);
} else {
- isl_basic_set *bset;
- dim = isl_dim_range(isl_basic_map_get_dim(nested));
+ isl_set *set;
+ dim = isl_dim_range(isl_map_get_dim(nested));
dim = isl_dim_drop(dim, isl_dim_param, nparam, n_in);
- dim = isl_dim_join(isl_basic_map_get_dim(bmap), dim);
- bset = isl_basic_map_domain(bmap);
- nested = isl_basic_map_reset_dim(nested, dim);
- bmap = isl_basic_map_intersect_domain(nested, bset);
+ dim = isl_dim_join(isl_map_get_dim(map), dim);
+ set = isl_map_domain(map);
+ nested = isl_map_reset_dim(nested, dim);
+ map = isl_map_intersect_domain(nested, set);
}
} else
- bmap = read_var_list(s, bmap, type, v);
+ map = read_var_list(s, map, type, v);
tok = isl_stream_next_token(s);
if (!tok || tok->type != ']') {
isl_stream_error(s, tok, "expecting ']'");
isl_token_free(tok);
if (name) {
- bmap = isl_basic_map_set_tuple_name(bmap, type, name);
+ map = isl_map_set_tuple_name(map, type, name);
free(name);
}
- return bmap;
+ return map;
error:
if (tok)
isl_token_free(tok);
- isl_basic_map_free(bmap);
+ isl_map_free(map);
return NULL;
}
-static __isl_give isl_basic_map *construct_constraint(
- __isl_take isl_basic_map *bmap, enum isl_token_type type,
- isl_int *left, isl_int *right)
+static __isl_give isl_set *construct_constraints(
+ __isl_take isl_set *set, enum isl_token_type type,
+ __isl_keep isl_pw_aff_list *left, __isl_keep isl_pw_aff_list *right)
{
- int k;
- unsigned len;
- struct isl_ctx *ctx;
+ isl_set *cond;
- if (!bmap)
- return NULL;
- len = 1 + isl_basic_map_total_dim(bmap);
- ctx = bmap->ctx;
-
- k = isl_basic_map_alloc_inequality(bmap);
- if (k < 0)
- goto error;
if (type == ISL_TOKEN_LE)
- isl_seq_combine(bmap->ineq[k], ctx->negone, left,
- ctx->one, right,
- len);
+ cond = isl_pw_aff_list_le_set(isl_pw_aff_list_copy(left),
+ isl_pw_aff_list_copy(right));
else if (type == ISL_TOKEN_GE)
- isl_seq_combine(bmap->ineq[k], ctx->one, left,
- ctx->negone, right,
- len);
- else if (type == ISL_TOKEN_LT) {
- isl_seq_combine(bmap->ineq[k], ctx->negone, left,
- ctx->one, right,
- len);
- isl_int_sub_ui(bmap->ineq[k][0], bmap->ineq[k][0], 1);
- } else if (type == ISL_TOKEN_GT) {
- isl_seq_combine(bmap->ineq[k], ctx->one, left,
- ctx->negone, right,
- len);
- isl_int_sub_ui(bmap->ineq[k][0], bmap->ineq[k][0], 1);
- } else {
- isl_seq_combine(bmap->ineq[k], ctx->one, left,
- ctx->negone, right,
- len);
- isl_basic_map_inequality_to_equality(bmap, k);
- }
+ cond = isl_pw_aff_list_ge_set(isl_pw_aff_list_copy(left),
+ isl_pw_aff_list_copy(right));
+ else if (type == ISL_TOKEN_LT)
+ cond = isl_pw_aff_list_lt_set(isl_pw_aff_list_copy(left),
+ isl_pw_aff_list_copy(right));
+ else if (type == ISL_TOKEN_GT)
+ cond = isl_pw_aff_list_gt_set(isl_pw_aff_list_copy(left),
+ isl_pw_aff_list_copy(right));
+ else
+ cond = isl_pw_aff_list_eq_set(isl_pw_aff_list_copy(left),
+ isl_pw_aff_list_copy(right));
- return bmap;
-error:
- isl_basic_map_free(bmap);
- return NULL;
+ return isl_set_intersect(set, cond);
}
static int is_comparator(struct isl_token *tok)
}
}
-/* Add any variables in the variable list "v" that are not already in "bmap"
- * as output variables in "bmap".
- */
-static __isl_give isl_basic_map *add_lifted_divs(__isl_take isl_basic_map *bmap,
- struct vars *v)
+static __isl_give isl_map *add_constraint(struct isl_stream *s,
+ struct vars *v, __isl_take isl_map *map)
{
- int i;
- int extra;
- struct variable *var;
-
- extra = v->n - isl_basic_map_total_dim(bmap);
-
- if (extra == 0)
- return bmap;
-
- bmap = isl_basic_map_add(bmap, isl_dim_out, extra);
- bmap = isl_basic_map_extend_dim(bmap, isl_basic_map_get_dim(bmap),
- 0, 0, 2 * extra);
-
- for (i = 0, var = v->v; i < extra; ++i, var = var->next) {
- if (!var->def)
- continue;
- var->def = isl_vec_zero_extend(var->def, 2 + v->n);
- if (!var->def)
- goto error;
- if (isl_basic_map_add_div_constraints_var(bmap, var->pos,
- var->def->el) < 0)
- goto error;
- }
-
- return bmap;
-error:
- isl_basic_map_free(bmap);
- return NULL;
-}
-
-static struct isl_basic_map *add_constraint(struct isl_stream *s,
- struct vars *v, struct isl_basic_map *bmap)
-{
- int i, j;
struct isl_token *tok = NULL;
- struct isl_mat *aff1 = NULL, *aff2 = NULL;
-
- bmap = isl_basic_map_cow(bmap);
+ isl_pw_aff_list *list1 = NULL, *list2 = NULL;
+ isl_set *set;
- aff1 = accept_affine_list(s, v);
- if (!aff1)
+ set = isl_map_wrap(map);
+ list1 = accept_affine_list(s, isl_set_get_dim(set), v);
+ if (!list1)
goto error;
tok = isl_stream_next_token(s);
if (!is_comparator(tok)) {
goto error;
}
for (;;) {
- aff2 = accept_affine_list(s, v);
- if (!aff2)
+ list2 = accept_affine_list(s, isl_set_get_dim(set), v);
+ if (!list2)
goto error;
- aff1 = isl_mat_add_zero_cols(aff1, aff2->n_col - aff1->n_col);
- if (!aff1)
- goto error;
- bmap = add_lifted_divs(bmap, v);
- bmap = isl_basic_map_extend_constraints(bmap, 0,
- aff1->n_row * aff2->n_row);
- for (i = 0; i < aff1->n_row; ++i)
- for (j = 0; j < aff2->n_row; ++j)
- bmap = construct_constraint(bmap, tok->type,
- aff1->row[i], aff2->row[j]);
+ set = construct_constraints(set, tok->type, list1, list2);
isl_token_free(tok);
- isl_mat_free(aff1);
- aff1 = aff2;
+ isl_pw_aff_list_free(list1);
+ list1 = list2;
tok = isl_stream_next_token(s);
if (!is_comparator(tok)) {
break;
}
}
- isl_mat_free(aff1);
+ isl_pw_aff_list_free(list1);
- return bmap;
+ return isl_set_unwrap(set);
error:
if (tok)
isl_token_free(tok);
- isl_mat_free(aff1);
- isl_mat_free(aff2);
- isl_basic_map_free(bmap);
- return NULL;
-}
-
-/* Return first variable, starting at n, representing a min or max,
- * or NULL if there is no such variable.
- */
-static struct variable *first_minmax(struct vars *v, int n)
-{
- struct variable *first = NULL;
- struct variable *var;
-
- for (var = v->v; var && var->pos >= n; var = var->next)
- if (var->list)
- first = var;
-
- return first;
-}
-
-/* Check whether the variable at the given position only occurs in
- * inequalities and only with the given sign.
- */
-static int all_coefficients_of_sign(__isl_keep isl_map *map, int pos, int sign)
-{
- int i, j;
-
- if (!map)
- return -1;
-
- for (i = 0; i < map->n; ++i) {
- isl_basic_map *bmap = map->p[i];
-
- for (j = 0; j < bmap->n_eq; ++j)
- if (!isl_int_is_zero(bmap->eq[j][1 + pos]))
- return 0;
- for (j = 0; j < bmap->n_ineq; ++j) {
- int s = isl_int_sgn(bmap->ineq[j][1 + pos]);
- if (s == 0)
- continue;
- if (s != sign)
- return 0;
- }
- }
-
- return 1;
-}
-
-/* Given a variable m which represents a min or a max of n expressions
- * b_i, add the constraints
- *
- * m <= b_i
- *
- * in case of a min (var->sign < 0) and m >= b_i in case of a max.
- */
-static __isl_give isl_map *bound_minmax(__isl_take isl_map *map,
- struct variable *var)
-{
- int i, k;
- isl_basic_map *bound;
- int total;
-
- total = isl_map_dim(map, isl_dim_all);
- bound = isl_basic_map_alloc_dim(isl_map_get_dim(map),
- 0, 0, var->list->n_row);
-
- for (i = 0; i < var->list->n_row; ++i) {
- k = isl_basic_map_alloc_inequality(bound);
- if (k < 0)
- goto error;
- if (var->sign < 0)
- isl_seq_cpy(bound->ineq[k], var->list->row[i],
- var->list->n_col);
- else
- isl_seq_neg(bound->ineq[k], var->list->row[i],
- var->list->n_col);
- isl_int_set_si(bound->ineq[k][1 + var->pos], var->sign);
- isl_seq_clr(bound->ineq[k] + var->list->n_col,
- 1 + total - var->list->n_col);
- }
-
- map = isl_map_intersect(map, isl_map_from_basic_map(bound));
-
- return map;
-error:
- isl_basic_map_free(bound);
- isl_map_free(map);
- return NULL;
-}
-
-/* Given a variable m which represents a min (or max) of n expressions
- * b_i, add constraints that assigns the minimal upper bound to m, i.e.,
- * divide the space into cells where one
- * of the upper bounds is smaller than all the others and assign
- * this upper bound to m.
- *
- * In particular, if there are n bounds b_i, then the input map
- * is split into n pieces, each with the extra constraints
- *
- * m = b_i
- * b_i <= b_j for j > i
- * b_i < b_j for j < i
- *
- * in case of a min (var->sign < 0) and similarly in case of a max.
- *
- * Note: this function is very similar to set_minimum in isl_tab_pip.c
- * Perhaps we should try to merge the two.
- */
-static __isl_give isl_map *set_minmax(__isl_take isl_map *map,
- struct variable *var)
-{
- int i, j, k;
- isl_basic_map *bmap = NULL;
- isl_ctx *ctx;
- isl_map *split = NULL;
- int total;
-
- ctx = isl_map_get_ctx(map);
- total = isl_map_dim(map, isl_dim_all);
- split = isl_map_alloc_dim(isl_map_get_dim(map),
- var->list->n_row, ISL_SET_DISJOINT);
-
- for (i = 0; i < var->list->n_row; ++i) {
- bmap = isl_basic_map_alloc_dim(isl_map_get_dim(map), 0,
- 1, var->list->n_row - 1);
- k = isl_basic_map_alloc_equality(bmap);
- if (k < 0)
- goto error;
- isl_seq_cpy(bmap->eq[k], var->list->row[i], var->list->n_col);
- isl_int_set_si(bmap->eq[k][1 + var->pos], -1);
- for (j = 0; j < var->list->n_row; ++j) {
- if (j == i)
- continue;
- k = isl_basic_map_alloc_inequality(bmap);
- if (k < 0)
- goto error;
- if (var->sign < 0)
- isl_seq_combine(bmap->ineq[k],
- ctx->one, var->list->row[j],
- ctx->negone, var->list->row[i],
- var->list->n_col);
- else
- isl_seq_combine(bmap->ineq[k],
- ctx->negone, var->list->row[j],
- ctx->one, var->list->row[i],
- var->list->n_col);
- isl_seq_clr(bmap->ineq[k] + var->list->n_col,
- 1 + total - var->list->n_col);
- if (j < i)
- isl_int_sub_ui(bmap->ineq[k][0],
- bmap->ineq[k][0], 1);
- }
- bmap = isl_basic_map_finalize(bmap);
- split = isl_map_add_basic_map(split, bmap);
- }
-
- map = isl_map_intersect(map, split);
-
- return map;
-error:
- isl_basic_map_free(bmap);
- isl_map_free(split);
- isl_map_free(map);
- return NULL;
-}
-
-/* Plug in the definitions of all min and max expressions.
- * If a min expression only appears in inequalities and only
- * with a positive coefficient, then we can simply bound
- * the variable representing the min by its defining terms
- * and similarly for a max expression.
- * Otherwise, we have to assign the different terms to the
- * variable under the condition that the assigned term is smaller
- * than the other terms.
- */
-static __isl_give isl_map *add_minmax(__isl_take isl_map *map,
- struct vars *v, int n)
-{
- struct variable *var;
-
- while (n < v->n) {
- var = first_minmax(v, n);
- if (!var)
- break;
- if (all_coefficients_of_sign(map, var->pos, -var->sign))
- map = bound_minmax(map, var);
- else
- map = set_minmax(map, var);
- n = var->pos + 1;
- }
-
- return map;
-}
-
-static isl_map *read_constraint(struct isl_stream *s,
- struct vars *v, __isl_take isl_basic_map *bmap)
-{
- int n = v->n;
- isl_map *map;
- unsigned total;
-
- if (!bmap)
- return NULL;
-
- bmap = isl_basic_set_unwrap(isl_basic_set_lift(isl_basic_map_wrap(bmap)));
- total = isl_basic_map_total_dim(bmap);
- while (v->n < total)
- if (vars_add_anon(v) < 0)
- goto error;
-
- bmap = add_constraint(s, v, bmap);
- bmap = isl_basic_map_simplify(bmap);
- bmap = isl_basic_map_finalize(bmap);
-
- map = isl_map_from_basic_map(bmap);
-
- map = add_minmax(map, v, n);
-
- map = isl_set_unwrap(isl_map_domain(map));
-
- vars_drop(v, v->n - n);
-
- return map;
-error:
- isl_basic_map_free(bmap);
+ isl_pw_aff_list_free(list1);
+ isl_pw_aff_list_free(list2);
+ isl_set_free(set);
return NULL;
}
static struct isl_map *read_disjuncts(struct isl_stream *s,
- struct vars *v, __isl_take isl_basic_map *bmap);
+ struct vars *v, __isl_take isl_map *map);
static __isl_give isl_map *read_exists(struct isl_stream *s,
- struct vars *v, __isl_take isl_basic_map *bmap)
+ struct vars *v, __isl_take isl_map *map)
{
int n = v->n;
int seen_paren = isl_stream_eat_if_available(s, '(');
- isl_map *map = NULL;
- bmap = isl_basic_map_from_domain(isl_basic_map_wrap(bmap));
- bmap = read_defined_var_list(s, v, bmap);
+ map = isl_map_from_domain(isl_map_wrap(map));
+ map = read_defined_var_list(s, v, map);
if (isl_stream_eat(s, ':'))
goto error;
- map = read_disjuncts(s, v, bmap);
+ map = read_disjuncts(s, v, map);
map = isl_set_unwrap(isl_map_domain(map));
- bmap = NULL;
vars_drop(v, v->n - n);
if (seen_paren && isl_stream_eat(s, ')'))
return map;
error:
- isl_basic_map_free(bmap);
isl_map_free(map);
return NULL;
}
static __isl_give isl_map *read_conjunct(struct isl_stream *s,
- struct vars *v, __isl_take isl_basic_map *bmap)
+ struct vars *v, __isl_take isl_map *map)
{
- isl_map *map;
-
if (isl_stream_eat_if_available(s, '(')) {
- map = read_disjuncts(s, v, bmap);
+ map = read_disjuncts(s, v, map);
if (isl_stream_eat(s, ')'))
goto error;
return map;
}
if (isl_stream_eat_if_available(s, ISL_TOKEN_EXISTS))
- return read_exists(s, v, bmap);
+ return read_exists(s, v, map);
if (isl_stream_eat_if_available(s, ISL_TOKEN_TRUE))
- return isl_map_from_basic_map(bmap);
+ return map;
if (isl_stream_eat_if_available(s, ISL_TOKEN_FALSE)) {
- isl_dim *dim = isl_basic_map_get_dim(bmap);
- isl_basic_map_free(bmap);
+ isl_dim *dim = isl_map_get_dim(map);
+ isl_map_free(map);
return isl_map_empty(dim);
}
- return read_constraint(s, v, bmap);
+ return add_constraint(s, v, map);
error:
isl_map_free(map);
return NULL;
}
static __isl_give isl_map *read_conjuncts(struct isl_stream *s,
- struct vars *v, __isl_take isl_basic_map *bmap)
+ struct vars *v, __isl_take isl_map *map)
{
- isl_map *map;
+ isl_map *res;
int negate;
negate = isl_stream_eat_if_available(s, ISL_TOKEN_NOT);
- map = read_conjunct(s, v, isl_basic_map_copy(bmap));
- if (negate) {
- isl_map *t;
- t = isl_map_from_basic_map(isl_basic_map_copy(bmap));
- map = isl_map_subtract(t, map);
- }
+ res = read_conjunct(s, v, isl_map_copy(map));
+ if (negate)
+ res = isl_map_subtract(isl_map_copy(map), res);
while (isl_stream_eat_if_available(s, ISL_TOKEN_AND)) {
- isl_map *map_i;
+ isl_map *res_i;
negate = isl_stream_eat_if_available(s, ISL_TOKEN_NOT);
- map_i = read_conjunct(s, v, isl_basic_map_copy(bmap));
+ res_i = read_conjunct(s, v, isl_map_copy(map));
if (negate)
- map = isl_map_subtract(map, map_i);
+ res = isl_map_subtract(res, res_i);
else
- map = isl_map_intersect(map, map_i);
+ res = isl_map_intersect(res, res_i);
}
- isl_basic_map_free(bmap);
- return map;
+ isl_map_free(map);
+ return res;
}
static struct isl_map *read_disjuncts(struct isl_stream *s,
- struct vars *v, __isl_take isl_basic_map *bmap)
+ struct vars *v, __isl_take isl_map *map)
{
- struct isl_map *map;
+ isl_map *res;
if (isl_stream_next_token_is(s, '}')) {
- isl_dim *dim = isl_basic_map_get_dim(bmap);
- isl_basic_map_free(bmap);
+ isl_dim *dim = isl_map_get_dim(map);
+ isl_map_free(map);
return isl_map_universe(dim);
}
- map = read_conjuncts(s, v, isl_basic_map_copy(bmap));
+ res = read_conjuncts(s, v, isl_map_copy(map));
while (isl_stream_eat_if_available(s, ISL_TOKEN_OR)) {
- isl_map *map_i;
+ isl_map *res_i;
- map_i = read_conjuncts(s, v, isl_basic_map_copy(bmap));
- map = isl_map_union(map, map_i);
+ res_i = read_conjuncts(s, v, isl_map_copy(map));
+ res = isl_map_union(res, res_i);
}
- isl_basic_map_free(bmap);
- return map;
+ isl_map_free(map);
+ return res;
}
static int polylib_pos_to_isl_pos(__isl_keep isl_basic_map *bmap, int pos)
return pow;
}
-static __isl_give isl_div *read_div(struct isl_stream *s,
- __isl_take isl_dim *dim, struct vars *v)
-{
- int n;
- isl_basic_map *bmap;
-
- n = v->n;
- bmap = isl_basic_map_universe(dim);
-
- if (vars_add_anon(v) < 0)
- goto error;
- if (read_div_definition(s, v) < 0)
- goto error;
- bmap = add_divs(bmap, v);
- bmap = isl_basic_map_order_divs(bmap);
- if (!bmap)
- goto error;
- vars_drop(v, v->n - n);
-
- return isl_basic_map_div(bmap, bmap->n_div - 1);
-error:
- isl_basic_map_free(bmap);
- return NULL;
-}
-
-static __isl_give isl_qpolynomial *read_term(struct isl_stream *s,
- __isl_keep isl_basic_map *bmap, struct vars *v);
+static __isl_give isl_pw_qpolynomial *read_term(struct isl_stream *s,
+ __isl_keep isl_map *map, struct vars *v);
-static __isl_give isl_qpolynomial *read_factor(struct isl_stream *s,
- __isl_keep isl_basic_map *bmap, struct vars *v)
+static __isl_give isl_pw_qpolynomial *read_factor(struct isl_stream *s,
+ __isl_keep isl_map *map, struct vars *v)
{
- struct isl_qpolynomial *qp;
+ isl_pw_qpolynomial *pwqp;
struct isl_token *tok;
tok = next_token(s);
int pow;
isl_token_free(tok);
- qp = read_term(s, bmap, v);
- if (!qp)
+ pwqp = read_term(s, map, v);
+ if (!pwqp)
return NULL;
if (isl_stream_eat(s, ')'))
goto error;
pow = optional_power(s);
- qp = isl_qpolynomial_pow(qp, pow);
+ pwqp = isl_pw_qpolynomial_pow(pwqp, pow);
} else if (tok->type == ISL_TOKEN_VALUE) {
struct isl_token *tok2;
tok2 = isl_stream_next_token(s);
+ isl_qpolynomial *qp;
if (tok2 && tok2->type == '/') {
isl_token_free(tok2);
tok2 = next_token(s);
isl_token_free(tok2);
return NULL;
}
- qp = isl_qpolynomial_rat_cst(isl_basic_map_get_dim(bmap),
+ qp = isl_qpolynomial_rat_cst(isl_map_get_dim(map),
tok->u.v, tok2->u.v);
isl_token_free(tok2);
} else {
isl_stream_push_token(s, tok2);
- qp = isl_qpolynomial_cst(isl_basic_map_get_dim(bmap),
+ qp = isl_qpolynomial_cst(isl_map_get_dim(map),
tok->u.v);
}
isl_token_free(tok);
+ pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == ISL_TOKEN_INFTY) {
+ isl_qpolynomial *qp;
isl_token_free(tok);
- qp = isl_qpolynomial_infty(isl_basic_map_get_dim(bmap));
+ qp = isl_qpolynomial_infty(isl_map_get_dim(map));
+ pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == ISL_TOKEN_NAN) {
+ isl_qpolynomial *qp;
isl_token_free(tok);
- qp = isl_qpolynomial_nan(isl_basic_map_get_dim(bmap));
+ qp = isl_qpolynomial_nan(isl_map_get_dim(map));
+ pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == ISL_TOKEN_IDENT) {
int n = v->n;
int pos = vars_pos(v, tok->u.s, -1);
int pow;
+ isl_qpolynomial *qp;
if (pos < 0) {
isl_token_free(tok);
return NULL;
}
isl_token_free(tok);
pow = optional_power(s);
- qp = isl_qpolynomial_var_pow(isl_basic_map_get_dim(bmap), pos, pow);
+ qp = isl_qpolynomial_var_pow(isl_map_get_dim(map), pos, pow);
+ pwqp = isl_pw_qpolynomial_from_qpolynomial(qp);
} else if (tok->type == '[') {
- isl_div *div;
+ isl_pw_aff *pwaff;
int pow;
isl_stream_push_token(s, tok);
- div = read_div(s, isl_basic_map_get_dim(bmap), v);
+ pwaff = accept_affine(s, isl_map_get_dim(map), v);
pow = optional_power(s);
- qp = isl_qpolynomial_div_pow(div, pow);
+ pwqp = isl_pw_qpolynomial_from_pw_aff(pwaff);
+ pwqp = isl_pw_qpolynomial_pow(pwqp, pow);
} else if (tok->type == '-') {
- struct isl_qpolynomial *qp2;
-
isl_token_free(tok);
- qp = isl_qpolynomial_cst(isl_basic_map_get_dim(bmap),
- s->ctx->negone);
- qp2 = read_factor(s, bmap, v);
- qp = isl_qpolynomial_mul(qp, qp2);
+ pwqp = read_factor(s, map, v);
+ pwqp = isl_pw_qpolynomial_neg(pwqp);
} else {
isl_stream_error(s, tok, "unexpected isl_token");
isl_stream_push_token(s, tok);
if (isl_stream_eat_if_available(s, '*') ||
isl_stream_next_token_is(s, ISL_TOKEN_IDENT)) {
- struct isl_qpolynomial *qp2;
+ isl_pw_qpolynomial *pwqp2;
- qp2 = read_factor(s, bmap, v);
- qp = isl_qpolynomial_mul(qp, qp2);
+ pwqp2 = read_factor(s, map, v);
+ pwqp = isl_pw_qpolynomial_mul(pwqp, pwqp2);
}
- return qp;
+ return pwqp;
error:
- isl_qpolynomial_free(qp);
+ isl_pw_qpolynomial_free(pwqp);
return NULL;
}
-static __isl_give isl_qpolynomial *read_term(struct isl_stream *s,
- __isl_keep isl_basic_map *bmap, struct vars *v)
+static __isl_give isl_pw_qpolynomial *read_term(struct isl_stream *s,
+ __isl_keep isl_map *map, struct vars *v)
{
struct isl_token *tok;
- struct isl_qpolynomial *qp;
+ isl_pw_qpolynomial *pwqp;
- qp = read_factor(s, bmap, v);
+ pwqp = read_factor(s, map, v);
for (;;) {
tok = next_token(s);
if (!tok)
- return qp;
+ return pwqp;
if (tok->type == '+') {
- struct isl_qpolynomial *qp2;
+ isl_pw_qpolynomial *pwqp2;
isl_token_free(tok);
- qp2 = read_factor(s, bmap, v);
- qp = isl_qpolynomial_add(qp, qp2);
+ pwqp2 = read_factor(s, map, v);
+ pwqp = isl_pw_qpolynomial_add(pwqp, pwqp2);
} else if (tok->type == '-') {
- struct isl_qpolynomial *qp2;
+ isl_pw_qpolynomial *pwqp2;
isl_token_free(tok);
- qp2 = read_factor(s, bmap, v);
- qp = isl_qpolynomial_sub(qp, qp2);
+ pwqp2 = read_factor(s, map, v);
+ pwqp = isl_pw_qpolynomial_sub(pwqp, pwqp2);
} else if (tok->type == ISL_TOKEN_VALUE &&
isl_int_is_neg(tok->u.v)) {
- struct isl_qpolynomial *qp2;
+ isl_pw_qpolynomial *pwqp2;
isl_stream_push_token(s, tok);
- qp2 = read_factor(s, bmap, v);
- qp = isl_qpolynomial_add(qp, qp2);
+ pwqp2 = read_factor(s, map, v);
+ pwqp = isl_pw_qpolynomial_add(pwqp, pwqp2);
} else {
isl_stream_push_token(s, tok);
break;
}
}
- return qp;
+ return pwqp;
}
static __isl_give isl_map *read_optional_disjuncts(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, struct vars *v)
+ __isl_take isl_map *map, struct vars *v)
{
struct isl_token *tok;
- struct isl_map *map;
tok = isl_stream_next_token(s);
if (!tok) {
isl_stream_error(s, NULL, "unexpected EOF");
goto error;
}
- map = isl_map_from_basic_map(isl_basic_map_copy(bmap));
if (tok->type == ':' ||
(tok->type == ISL_TOKEN_OR && !strcmp(tok->u.s, "|"))) {
isl_token_free(tok);
- map = isl_map_intersect(map,
- read_disjuncts(s, v, isl_basic_map_copy(bmap)));
+ map = read_disjuncts(s, v, map);
} else
isl_stream_push_token(s, tok);
- isl_basic_map_free(bmap);
-
return map;
error:
- isl_basic_map_free(bmap);
+ isl_map_free(map);
return NULL;
}
static struct isl_obj obj_read_poly(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, struct vars *v, int n)
+ __isl_take isl_map *map, struct vars *v, int n)
{
struct isl_obj obj = { isl_obj_pw_qpolynomial, NULL };
- struct isl_pw_qpolynomial *pwqp;
- struct isl_qpolynomial *qp;
- struct isl_map *map;
+ isl_pw_qpolynomial *pwqp;
struct isl_set *set;
- qp = read_term(s, bmap, v);
- map = read_optional_disjuncts(s, bmap, v);
+ pwqp = read_term(s, map, v);
+ map = read_optional_disjuncts(s, map, v);
set = isl_map_range(map);
- pwqp = isl_pw_qpolynomial_alloc(set, qp);
+ pwqp = isl_pw_qpolynomial_intersect_domain(pwqp, set);
vars_drop(v, v->n - n);
}
static struct isl_obj obj_read_poly_or_fold(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, struct vars *v, int n)
+ __isl_take isl_map *map, struct vars *v, int n)
{
struct isl_obj obj = { isl_obj_pw_qpolynomial_fold, NULL };
- isl_qpolynomial *qp;
- isl_qpolynomial_fold *fold = NULL;
- isl_pw_qpolynomial_fold *pwf;
- isl_map *map;
+ isl_pw_qpolynomial *pwqp;
+ isl_pw_qpolynomial_fold *pwf = NULL;
isl_set *set;
if (!isl_stream_eat_if_available(s, ISL_TOKEN_MAX))
- return obj_read_poly(s, bmap, v, n);
+ return obj_read_poly(s, map, v, n);
if (isl_stream_eat(s, '('))
goto error;
- qp = read_term(s, bmap, v);
- fold = isl_qpolynomial_fold_alloc(isl_fold_max, qp);
+ pwqp = read_term(s, map, v);
+ pwf = isl_pw_qpolynomial_fold_from_pw_qpolynomial(isl_fold_max, pwqp);
while (isl_stream_eat_if_available(s, ',')) {
- isl_qpolynomial_fold *fold_i;
- qp = read_term(s, bmap, v);
- fold_i = isl_qpolynomial_fold_alloc(isl_fold_max, qp);
- fold = isl_qpolynomial_fold_fold(fold, fold_i);
+ isl_pw_qpolynomial_fold *pwf_i;
+ pwqp = read_term(s, map, v);
+ pwf_i = isl_pw_qpolynomial_fold_from_pw_qpolynomial(isl_fold_max,
+ pwqp);
+ pwf = isl_pw_qpolynomial_fold_fold(pwf, pwf_i);
}
if (isl_stream_eat(s, ')'))
goto error;
- map = read_optional_disjuncts(s, bmap, v);
+ map = read_optional_disjuncts(s, map, v);
set = isl_map_range(map);
- pwf = isl_pw_qpolynomial_fold_alloc(isl_fold_max, set, fold);
+ pwf = isl_pw_qpolynomial_fold_intersect_domain(pwf, set);
vars_drop(v, v->n - n);
obj.v = pwf;
return obj;
error:
- isl_basic_map_free(bmap);
- isl_qpolynomial_fold_free(fold);
+ isl_map_free(map);
+ isl_pw_qpolynomial_fold_free(pwf);
obj.type = isl_obj_none;
return obj;
}
}
static struct isl_obj obj_read_body(struct isl_stream *s,
- __isl_take isl_basic_map *bmap, struct vars *v)
+ __isl_take isl_map *map, struct vars *v)
{
- struct isl_map *map = NULL;
struct isl_token *tok;
struct isl_obj obj = { isl_obj_set, NULL };
int n = v->n;
if (is_rational(s))
- bmap = isl_basic_map_set_rational(bmap);
+ map = isl_map_set_rational(map);
if (!next_is_tuple(s))
- return obj_read_poly_or_fold(s, bmap, v, n);
+ return obj_read_poly_or_fold(s, map, v, n);
- bmap = read_tuple(s, bmap, isl_dim_in, v);
- if (!bmap)
+ map = read_tuple(s, map, isl_dim_in, v);
+ if (!map)
goto error;
tok = isl_stream_next_token(s);
if (tok && tok->type == ISL_TOKEN_TO) {
obj.type = isl_obj_map;
isl_token_free(tok);
if (!next_is_tuple(s)) {
- bmap = isl_basic_map_reverse(bmap);
- return obj_read_poly_or_fold(s, bmap, v, n);
+ map = isl_map_reverse(map);
+ return obj_read_poly_or_fold(s, map, v, n);
}
- bmap = read_tuple(s, bmap, isl_dim_out, v);
- if (!bmap)
+ map = read_tuple(s, map, isl_dim_out, v);
+ if (!map)
goto error;
} else {
- bmap = isl_basic_map_reverse(bmap);
+ map = isl_map_reverse(map);
if (tok)
isl_stream_push_token(s, tok);
}
- map = read_optional_disjuncts(s, bmap, v);
+ map = read_optional_disjuncts(s, map, v);
vars_drop(v, v->n - n);
obj.v = map;
return obj;
error:
- isl_basic_map_free(bmap);
+ isl_map_free(map);
obj.type = isl_obj_none;
return obj;
}
static struct isl_obj obj_read(struct isl_stream *s, int nparam)
{
- isl_basic_map *bmap = NULL;
+ isl_map *map = NULL;
struct isl_token *tok;
struct vars *v = NULL;
struct isl_obj obj = { isl_obj_set, NULL };
isl_stream_push_token(s, tok);
goto error;
}
- bmap = isl_basic_map_alloc(s->ctx, 0, 0, 0, 0, 0, 0);
+ map = isl_map_universe(isl_dim_alloc(s->ctx, 0, 0, 0));
if (tok->type == '[') {
isl_stream_push_token(s, tok);
- bmap = read_tuple(s, bmap, isl_dim_param, v);
- if (!bmap)
+ map = read_tuple(s, map, isl_dim_param, v);
+ if (!map)
goto error;
if (nparam >= 0)
isl_assert(s->ctx, nparam == v->n, goto error);
isl_token_free(tok);
tok = isl_stream_next_token(s);
} else if (nparam > 0)
- bmap = isl_basic_map_add(bmap, isl_dim_param, nparam);
+ map = isl_map_add_dims(map, isl_dim_param, nparam);
if (!tok || tok->type != '{') {
isl_stream_error(s, tok, "expecting '{'");
if (tok)
isl_token_free(tok);
if (isl_stream_eat(s, '='))
goto error;
- bmap = read_tuple(s, bmap, isl_dim_param, v);
- if (!bmap)
+ map = read_tuple(s, map, isl_dim_param, v);
+ if (!map)
goto error;
if (nparam >= 0)
isl_assert(s->ctx, nparam == v->n, goto error);
} else if (tok->type == '}') {
obj.type = isl_obj_union_set;
- obj.v = isl_union_set_empty(isl_basic_map_get_dim(bmap));
+ obj.v = isl_union_set_empty(isl_map_get_dim(map));
isl_token_free(tok);
goto done;
} else
for (;;) {
struct isl_obj o;
tok = NULL;
- o = obj_read_body(s, isl_basic_map_copy(bmap), v);
+ o = obj_read_body(s, isl_map_copy(map), v);
if (o.type == isl_obj_none || !o.v)
goto error;
if (!obj.v)
}
done:
vars_free(v);
- isl_basic_map_free(bmap);
+ isl_map_free(map);
return obj;
error:
- isl_basic_map_free(bmap);
+ isl_map_free(map);
obj.type->free(obj.v);
if (v)
vars_free(v);