/*
* Copyright 2008-2009 Katholieke Universiteit Leuven
* Copyright 2010 INRIA Saclay
* Copyright 2012-2013 Ecole Normale Superieure
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege, K.U.Leuven, Departement
* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
* and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
* ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
* and Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France
*/
#include <stdlib.h>
#include <string.h>
#include <isl_ctx_private.h>
#include <isl_map_private.h>
#include <isl/set.h>
#include <isl_seq.h>
#include <isl_polynomial_private.h>
#include <isl_printer_private.h>
#include <isl_space_private.h>
#include <isl_mat_private.h>
#include <isl_vec_private.h>
#include <isl/union_map.h>
#include <isl/constraint.h>
#include <isl_local_space_private.h>
#include <isl_aff_private.h>
#include <isl_val_private.h>
#include <isl/ast_build.h>
#include <isl_sort.h>
static const char *s_to[2] = { " -> ", " \\to " };
static const char *s_and[2] = { " and ", " \\wedge " };
static const char *s_or[2] = { " or ", " \\vee " };
static const char *s_le[2] = { "<=", "\\le" };
static const char *s_ge[2] = { ">=", "\\ge" };
static const char *s_open_set[2] = { "{ ", "\\{\\, " };
static const char *s_close_set[2] = { " }", " \\,\\}" };
static const char *s_open_list[2] = { "[", "(" };
static const char *s_close_list[2] = { "]", ")" };
static const char *s_such_that[2] = { " : ", " \\mid " };
static const char *s_open_exists[2] = { "exists (", "\\exists \\, " };
static const char *s_close_exists[2] = { ")", "" };
static const char *s_div_prefix[2] = { "e", "\\alpha_" };
static const char *s_param_prefix[2] = { "p", "p_" };
static const char *s_input_prefix[2] = { "i", "i_" };
static const char *s_output_prefix[2] = { "o", "o_" };
static __isl_give isl_printer *print_constraint_polylib(
struct isl_basic_map *bmap, int ineq, int n, __isl_take isl_printer *p)
{
int i;
unsigned n_in = isl_basic_map_dim(bmap, isl_dim_in);
unsigned n_out = isl_basic_map_dim(bmap, isl_dim_out);
unsigned nparam = isl_basic_map_dim(bmap, isl_dim_param);
isl_int *c = ineq ? bmap->ineq[n] : bmap->eq[n];
p = isl_printer_start_line(p);
p = isl_printer_print_int(p, ineq);
for (i = 0; i < n_out; ++i) {
p = isl_printer_print_str(p, " ");
p = isl_printer_print_isl_int(p, c[1+nparam+n_in+i]);
}
for (i = 0; i < n_in; ++i) {
p = isl_printer_print_str(p, " ");
p = isl_printer_print_isl_int(p, c[1+nparam+i]);
}
for (i = 0; i < bmap->n_div; ++i) {
p = isl_printer_print_str(p, " ");
p = isl_printer_print_isl_int(p, c[1+nparam+n_in+n_out+i]);
}
for (i = 0; i < nparam; ++i) {
p = isl_printer_print_str(p, " ");
p = isl_printer_print_isl_int(p, c[1+i]);
}
p = isl_printer_print_str(p, " ");
p = isl_printer_print_isl_int(p, c[0]);
p = isl_printer_end_line(p);
return p;
}
static __isl_give isl_printer *print_constraints_polylib(
struct isl_basic_map *bmap, __isl_take isl_printer *p)
{
int i;
p = isl_printer_set_isl_int_width(p, 5);
for (i = 0; i < bmap->n_eq; ++i)
p = print_constraint_polylib(bmap, 0, i, p);
for (i = 0; i < bmap->n_ineq; ++i)
p = print_constraint_polylib(bmap, 1, i, p);
return p;
}
static __isl_give isl_printer *bset_print_constraints_polylib(
struct isl_basic_set *bset, __isl_take isl_printer *p)
{
return print_constraints_polylib((struct isl_basic_map *)bset, p);
}
static __isl_give isl_printer *isl_basic_map_print_polylib(
__isl_keep isl_basic_map *bmap, __isl_take isl_printer *p, int ext)
{
unsigned total = isl_basic_map_total_dim(bmap);
p = isl_printer_start_line(p);
p = isl_printer_print_int(p, bmap->n_eq + bmap->n_ineq);
p = isl_printer_print_str(p, " ");
p = isl_printer_print_int(p, 1 + total + 1);
if (ext) {
p = isl_printer_print_str(p, " ");
p = isl_printer_print_int(p,
isl_basic_map_dim(bmap, isl_dim_out));
p = isl_printer_print_str(p, " ");
p = isl_printer_print_int(p,
isl_basic_map_dim(bmap, isl_dim_in));
p = isl_printer_print_str(p, " ");
p = isl_printer_print_int(p,
isl_basic_map_dim(bmap, isl_dim_div));
p = isl_printer_print_str(p, " ");
p = isl_printer_print_int(p,
isl_basic_map_dim(bmap, isl_dim_param));
}
p = isl_printer_end_line(p);
return print_constraints_polylib(bmap, p);
}
static __isl_give isl_printer *isl_basic_set_print_polylib(
__isl_keep isl_basic_set *bset, __isl_take isl_printer *p, int ext)
{
return isl_basic_map_print_polylib((struct isl_basic_map *)bset, p, ext);
}
static __isl_give isl_printer *isl_map_print_polylib(__isl_keep isl_map *map,
__isl_take isl_printer *p, int ext)
{
int i;
p = isl_printer_start_line(p);
p = isl_printer_print_int(p, map->n);
p = isl_printer_end_line(p);
for (i = 0; i < map->n; ++i) {
p = isl_printer_start_line(p);
p = isl_printer_end_line(p);
p = isl_basic_map_print_polylib(map->p[i], p, ext);
}
return p;
}
static __isl_give isl_printer *isl_set_print_polylib(__isl_keep isl_set *set,
__isl_take isl_printer *p, int ext)
{
return isl_map_print_polylib((struct isl_map *)set, p, ext);
}
static int count_same_name(__isl_keep isl_space *dim,
enum isl_dim_type type, unsigned pos, const char *name)
{
enum isl_dim_type t;
unsigned p, s;
int count = 0;
for (t = isl_dim_param; t <= type && t <= isl_dim_out; ++t) {
s = t == type ? pos : isl_space_dim(dim, t);
for (p = 0; p < s; ++p) {
const char *n = isl_space_get_dim_name(dim, t, p);
if (n && !strcmp(n, name))
count++;
}
}
return count;
}
static __isl_give isl_printer *print_name(__isl_keep isl_space *dim,
__isl_take isl_printer *p, enum isl_dim_type type, unsigned pos,
int latex)
{
const char *name;
char buffer[20];
int primes;
name = type == isl_dim_div ? NULL : isl_space_get_dim_name(dim, type, pos);
if (!name) {
const char *prefix;
if (type == isl_dim_param)
prefix = s_param_prefix[latex];
else if (type == isl_dim_div)
prefix = s_div_prefix[latex];
else if (isl_space_is_set(dim) || type == isl_dim_in)
prefix = s_input_prefix[latex];
else
prefix = s_output_prefix[latex];
snprintf(buffer, sizeof(buffer), "%s%d", prefix, pos);
name = buffer;
}
primes = count_same_name(dim, name == buffer ? isl_dim_div : type,
pos, name);
p = isl_printer_print_str(p, name);
while (primes-- > 0)
p = isl_printer_print_str(p, "'");
return p;
}
static enum isl_dim_type pos2type(__isl_keep isl_space *dim, unsigned *pos)
{
enum isl_dim_type type;
unsigned n_in = isl_space_dim(dim, isl_dim_in);
unsigned n_out = isl_space_dim(dim, isl_dim_out);
unsigned nparam = isl_space_dim(dim, isl_dim_param);
if (*pos < 1 + nparam) {
type = isl_dim_param;
*pos -= 1;
} else if (*pos < 1 + nparam + n_in) {
type = isl_dim_in;
*pos -= 1 + nparam;
} else if (*pos < 1 + nparam + n_in + n_out) {
type = isl_dim_out;
*pos -= 1 + nparam + n_in;
} else {
type = isl_dim_div;
*pos -= 1 + nparam + n_in + n_out;
}
return type;
}
static __isl_give isl_printer *print_div(__isl_keep isl_space *dim,
__isl_keep isl_mat *div, int pos, __isl_take isl_printer *p);
static __isl_give isl_printer *print_term(__isl_keep isl_space *dim,
__isl_keep isl_mat *div,
isl_int c, unsigned pos, __isl_take isl_printer *p, int latex)
{
enum isl_dim_type type;
int print_div_def;
if (pos == 0)
return isl_printer_print_isl_int(p, c);
type = pos2type(dim, &pos);
print_div_def = type == isl_dim_div && div &&
!isl_int_is_zero(div->row[pos][0]);
if (isl_int_is_one(c))
;
else if (isl_int_is_negone(c))
p = isl_printer_print_str(p, "-");
else {
p = isl_printer_print_isl_int(p, c);
if (p->output_format == ISL_FORMAT_C || print_div_def)
p = isl_printer_print_str(p, "*");
}
if (print_div_def)
p = print_div(dim, div, pos, p);
else
p = print_name(dim, p, type, pos, latex);
return p;
}
static __isl_give isl_printer *print_affine_of_len(__isl_keep isl_space *dim,
__isl_keep isl_mat *div,
__isl_take isl_printer *p, isl_int *c, int len)
{
int i;
int first;
for (i = 0, first = 1; i < len; ++i) {
int flip = 0;
if (isl_int_is_zero(c[i]))
continue;
if (!first) {
if (isl_int_is_neg(c[i])) {
flip = 1;
isl_int_neg(c[i], c[i]);
p = isl_printer_print_str(p, " - ");
} else
p = isl_printer_print_str(p, " + ");
}
first = 0;
p = print_term(dim, div, c[i], i, p, 0);
if (flip)
isl_int_neg(c[i], c[i]);
}
if (first)
p = isl_printer_print_str(p, "0");
return p;
}
static __isl_give isl_printer *print_affine(__isl_keep isl_basic_map *bmap,
__isl_keep isl_space *dim, __isl_take isl_printer *p, isl_int *c)
{
unsigned len = 1 + isl_basic_map_total_dim(bmap);
return print_affine_of_len(dim, NULL, p, c, len);
}
/* Internal data structure for print_space.
*
* latex is set if that is the output format.
* print_dim (if not NULL) is called on each dimension.
* user is set by the caller of print_space and may be used inside print_dim.
*
* space is the global space that is being printed. This field is set by
* print_space.
* type is the tuple of the global space that is currently being printed.
* This field is set by print_space.
*/
struct isl_print_space_data {
int latex;
__isl_give isl_printer *(*print_dim)(__isl_take isl_printer *p,
struct isl_print_space_data *data, unsigned pos);
void *user;
isl_space *space;
enum isl_dim_type type;
};
/* offset is the offset of local_dim inside data->type of data->space.
*/
static __isl_give isl_printer *print_nested_var_list(__isl_take isl_printer *p,
__isl_keep isl_space *local_dim, enum isl_dim_type local_type,
struct isl_print_space_data *data, int offset)
{
int i;
if (data->space != local_dim && local_type == isl_dim_out)
offset += local_dim->n_in;
for (i = 0; i < isl_space_dim(local_dim, local_type); ++i) {
if (i)
p = isl_printer_print_str(p, ", ");
if (data->print_dim)
p = data->print_dim(p, data, offset + i);
else
p = print_name(data->space, p, data->type, offset + i,
data->latex);
}
return p;
}
static __isl_give isl_printer *print_var_list(__isl_take isl_printer *p,
__isl_keep isl_space *space, enum isl_dim_type type)
{
struct isl_print_space_data data = { .space = space, .type = type };
return print_nested_var_list(p, space, type, &data, 0);
}
static __isl_give isl_printer *print_nested_map_dim(__isl_take isl_printer *p,
__isl_keep isl_space *local_dim,
struct isl_print_space_data *data, int offset);
static __isl_give isl_printer *print_nested_tuple(__isl_take isl_printer *p,
__isl_keep isl_space *local_dim, enum isl_dim_type local_type,
struct isl_print_space_data *data, int offset)
{
const char *name = NULL;
unsigned n = isl_space_dim(local_dim, local_type);
if ((local_type == isl_dim_in || local_type == isl_dim_out)) {
name = isl_space_get_tuple_name(local_dim, local_type);
if (name) {
if (data->latex)
p = isl_printer_print_str(p, "\\mathrm{");
p = isl_printer_print_str(p, name);
if (data->latex)
p = isl_printer_print_str(p, "}");
}
}
if (!data->latex || n != 1 || name)
p = isl_printer_print_str(p, s_open_list[data->latex]);
if ((local_type == isl_dim_in || local_type == isl_dim_out) &&
local_dim->nested[local_type - isl_dim_in]) {
if (data->space != local_dim && local_type == isl_dim_out)
offset += local_dim->n_in;
p = print_nested_map_dim(p,
local_dim->nested[local_type - isl_dim_in],
data, offset);
} else
p = print_nested_var_list(p, local_dim, local_type, data,
offset);
if (!data->latex || n != 1 || name)
p = isl_printer_print_str(p, s_close_list[data->latex]);
return p;
}
static __isl_give isl_printer *print_tuple(__isl_keep isl_space *dim,
__isl_take isl_printer *p, enum isl_dim_type type,
struct isl_print_space_data *data)
{
data->space = dim;
data->type = type;
return print_nested_tuple(p, dim, type, data, 0);
}
static __isl_give isl_printer *print_nested_map_dim(__isl_take isl_printer *p,
__isl_keep isl_space *local_dim,
struct isl_print_space_data *data, int offset)
{
p = print_nested_tuple(p, local_dim, isl_dim_in, data, offset);
p = isl_printer_print_str(p, s_to[data->latex]);
p = print_nested_tuple(p, local_dim, isl_dim_out, data, offset);
return p;
}
static __isl_give isl_printer *print_space(__isl_keep isl_space *dim,
__isl_take isl_printer *p, int rational,
struct isl_print_space_data *data)
{
if (rational && !data->latex)
p = isl_printer_print_str(p, "rat: ");
if (isl_space_is_params(dim))
;
else if (isl_space_is_set(dim))
p = print_tuple(dim, p, isl_dim_set, data);
else {
p = print_tuple(dim, p, isl_dim_in, data);
p = isl_printer_print_str(p, s_to[data->latex]);
p = print_tuple(dim, p, isl_dim_out, data);
}
return p;
}
static __isl_give isl_printer *print_omega_parameters(__isl_keep isl_space *dim,
__isl_take isl_printer *p)
{
if (isl_space_dim(dim, isl_dim_param) == 0)
return p;
p = isl_printer_start_line(p);
p = isl_printer_print_str(p, "symbolic ");
p = print_var_list(p, dim, isl_dim_param);
p = isl_printer_print_str(p, ";");
p = isl_printer_end_line(p);
return p;
}
static __isl_give isl_printer *print_constraint(struct isl_basic_map *bmap,
__isl_keep isl_space *dim, __isl_take isl_printer *p,
isl_int *c, int last, const char *op, int first_constraint, int latex)
{
if (!first_constraint)
p = isl_printer_print_str(p, s_and[latex]);
isl_int_abs(c[last], c[last]);
p = print_term(dim, NULL, c[last], last, p, latex);
p = isl_printer_print_str(p, " ");
p = isl_printer_print_str(p, op);
p = isl_printer_print_str(p, " ");
isl_int_set_si(c[last], 0);
p = print_affine(bmap, dim, p, c);
return p;
}
static __isl_give isl_printer *print_constraints(__isl_keep isl_basic_map *bmap,
__isl_keep isl_space *dim, __isl_take isl_printer *p, int latex)
{
int i;
struct isl_vec *c;
unsigned total = isl_basic_map_total_dim(bmap);
c = isl_vec_alloc(bmap->ctx, 1 + total);
if (!c)
goto error;
for (i = bmap->n_eq - 1; i >= 0; --i) {
int l = isl_seq_last_non_zero(bmap->eq[i], 1 + total);
if (l < 0) {
if (i != bmap->n_eq - 1)
p = isl_printer_print_str(p, s_and[latex]);
p = isl_printer_print_str(p, "0 = 0");
continue;
}
if (isl_int_is_neg(bmap->eq[i][l]))
isl_seq_cpy(c->el, bmap->eq[i], 1 + total);
else
isl_seq_neg(c->el, bmap->eq[i], 1 + total);
p = print_constraint(bmap, dim, p, c->el, l,
"=", i == bmap->n_eq - 1, latex);
}
for (i = 0; i < bmap->n_ineq; ++i) {
int l = isl_seq_last_non_zero(bmap->ineq[i], 1 + total);
int s;
const char *op;
if (l < 0)
continue;
s = isl_int_sgn(bmap->ineq[i][l]);
if (s < 0)
isl_seq_cpy(c->el, bmap->ineq[i], 1 + total);
else
isl_seq_neg(c->el, bmap->ineq[i], 1 + total);
op = s < 0 ? s_le[latex] : s_ge[latex];
p = print_constraint(bmap, dim, p, c->el, l,
op, !bmap->n_eq && !i, latex);
}
isl_vec_free(c);
return p;
error:
isl_vec_free(c);
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_div(__isl_keep isl_space *dim,
__isl_keep isl_mat *div, int pos, __isl_take isl_printer *p)
{
int c = p->output_format == ISL_FORMAT_C;
p = isl_printer_print_str(p, c ? "floord(" : "floor((");
p = print_affine_of_len(dim, div, p,
div->row[pos] + 1, div->n_col - 1);
p = isl_printer_print_str(p, c ? ", " : ")/");
p = isl_printer_print_isl_int(p, div->row[pos][0]);
p = isl_printer_print_str(p, ")");
return p;
}
/* Print a comma separated list of div names, with their definitions
* (provided that they have a definition and we are printing in isl format).
*/
static __isl_give isl_printer *print_div_list(__isl_take isl_printer *p,
__isl_keep isl_space *space, __isl_keep isl_mat *div, int latex)
{
int i;
unsigned n_div;
if (!p || !space || !div)
return isl_printer_free(p);
n_div = isl_mat_rows(div);
for (i = 0; i < n_div; ++i) {
if (i)
p = isl_printer_print_str(p, ", ");
p = print_name(space, p, isl_dim_div, i, latex);
if (p->output_format != ISL_FORMAT_ISL ||
isl_int_is_zero(div->row[i][0]))
continue;
p = isl_printer_print_str(p, " = ");
p = print_div(space, div, i, p);
}
return p;
}
static __isl_give isl_printer *print_disjunct(__isl_keep isl_basic_map *bmap,
__isl_keep isl_space *dim, __isl_take isl_printer *p, int latex)
{
if (bmap->n_div > 0) {
isl_space *space;
isl_mat *div;
space = isl_basic_map_get_space(bmap);
div = isl_basic_map_get_divs(bmap);
p = isl_printer_print_str(p, s_open_exists[latex]);
p = print_div_list(p, space, div, latex);
isl_space_free(space);
isl_mat_free(div);
p = isl_printer_print_str(p, ": ");
}
p = print_constraints(bmap, dim, p, latex);
if (bmap->n_div > 0)
p = isl_printer_print_str(p, s_close_exists[latex]);
return p;
}
/* Print a colon followed by the constraints of "bmap"
* to "p", provided there are any constraints.
* The names of the variables are taken from "space".
* "latex" is set if the constraints should be printed in LaTeX format.
*/
static __isl_give isl_printer *print_optional_disjunct(
__isl_keep isl_basic_map *bmap, __isl_keep isl_space *space,
__isl_take isl_printer *p, int latex)
{
if (isl_basic_map_is_universe(bmap))
return p;
p = isl_printer_print_str(p, ": ");
p = print_disjunct(bmap, space, p, latex);
return p;
}
static __isl_give isl_printer *basic_map_print_omega(
__isl_keep isl_basic_map *bmap, __isl_take isl_printer *p)
{
p = isl_printer_print_str(p, "{ [");
p = print_var_list(p, bmap->dim, isl_dim_in);
p = isl_printer_print_str(p, "] -> [");
p = print_var_list(p, bmap->dim, isl_dim_out);
p = isl_printer_print_str(p, "] ");
p = print_optional_disjunct(bmap, bmap->dim, p, 0);
p = isl_printer_print_str(p, " }");
return p;
}
static __isl_give isl_printer *basic_set_print_omega(
__isl_keep isl_basic_set *bset, __isl_take isl_printer *p)
{
p = isl_printer_print_str(p, "{ [");
p = print_var_list(p, bset->dim, isl_dim_set);
p = isl_printer_print_str(p, "] ");
p = print_optional_disjunct(bset, bset->dim, p, 0);
p = isl_printer_print_str(p, " }");
return p;
}
static __isl_give isl_printer *isl_map_print_omega(__isl_keep isl_map *map,
__isl_take isl_printer *p)
{
int i;
for (i = 0; i < map->n; ++i) {
if (i)
p = isl_printer_print_str(p, " union ");
p = basic_map_print_omega(map->p[i], p);
}
return p;
}
static __isl_give isl_printer *isl_set_print_omega(__isl_keep isl_set *set,
__isl_take isl_printer *p)
{
int i;
for (i = 0; i < set->n; ++i) {
if (i)
p = isl_printer_print_str(p, " union ");
p = basic_set_print_omega(set->p[i], p);
}
return p;
}
static __isl_give isl_printer *isl_basic_map_print_isl(
__isl_keep isl_basic_map *bmap, __isl_take isl_printer *p,
int latex)
{
struct isl_print_space_data data = { .latex = latex };
int rational = ISL_F_ISSET(bmap, ISL_BASIC_MAP_RATIONAL);
if (isl_basic_map_dim(bmap, isl_dim_param) > 0) {
p = print_tuple(bmap->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
p = print_space(bmap->dim, p, rational, &data);
p = isl_printer_print_str(p, " : ");
p = print_disjunct(bmap, bmap->dim, p, latex);
p = isl_printer_print_str(p, " }");
return p;
}
static __isl_give isl_printer *print_disjuncts(__isl_keep isl_map *map,
__isl_take isl_printer *p, int latex)
{
int i;
if (isl_map_plain_is_universe(map))
return p;
p = isl_printer_print_str(p, s_such_that[latex]);
if (map->n == 0)
p = isl_printer_print_str(p, "1 = 0");
for (i = 0; i < map->n; ++i) {
if (i)
p = isl_printer_print_str(p, s_or[latex]);
if (map->n > 1 && map->p[i]->n_eq + map->p[i]->n_ineq > 1)
p = isl_printer_print_str(p, "(");
p = print_disjunct(map->p[i], map->dim, p, latex);
if (map->n > 1 && map->p[i]->n_eq + map->p[i]->n_ineq > 1)
p = isl_printer_print_str(p, ")");
}
return p;
}
/* Print the disjuncts of a map (or set).
* If the map turns out to be a universal parameter domain, then
* we need to print the colon. Otherwise, the output looks identical
* to the empty set.
*/
static __isl_give isl_printer *print_disjuncts_map(__isl_keep isl_map *map,
__isl_take isl_printer *p, int latex)
{
if (isl_map_plain_is_universe(map) && isl_space_is_params(map->dim))
return isl_printer_print_str(p, s_such_that[latex]);
else
return print_disjuncts(map, p, latex);
}
struct isl_aff_split {
isl_basic_map *aff;
isl_map *map;
};
static void free_split(__isl_take struct isl_aff_split *split, int n)
{
int i;
if (!split)
return;
for (i = 0; i < n; ++i) {
isl_basic_map_free(split[i].aff);
isl_map_free(split[i].map);
}
free(split);
}
static __isl_give isl_basic_map *get_aff(__isl_take isl_basic_map *bmap)
{
int i, j;
unsigned nparam, n_in, n_out, total;
bmap = isl_basic_map_cow(bmap);
if (!bmap)
return NULL;
if (isl_basic_map_free_inequality(bmap, bmap->n_ineq) < 0)
goto error;
nparam = isl_basic_map_dim(bmap, isl_dim_param);
n_in = isl_basic_map_dim(bmap, isl_dim_in);
n_out = isl_basic_map_dim(bmap, isl_dim_out);
total = isl_basic_map_dim(bmap, isl_dim_all);
for (i = bmap->n_eq - 1; i >= 0; --i) {
j = isl_seq_last_non_zero(bmap->eq[i] + 1, total);
if (j >= nparam && j < nparam + n_in + n_out &&
(isl_int_is_one(bmap->eq[i][1 + j]) ||
isl_int_is_negone(bmap->eq[i][1 + j])))
continue;
if (isl_basic_map_drop_equality(bmap, i) < 0)
goto error;
}
bmap = isl_basic_map_finalize(bmap);
return bmap;
error:
isl_basic_map_free(bmap);
return NULL;
}
static int aff_split_cmp(const void *p1, const void *p2, void *user)
{
const struct isl_aff_split *s1, *s2;
s1 = (const struct isl_aff_split *) p1;
s2 = (const struct isl_aff_split *) p2;
return isl_basic_map_plain_cmp(s1->aff, s2->aff);
}
static __isl_give isl_basic_map *drop_aff(__isl_take isl_basic_map *bmap,
__isl_keep isl_basic_map *aff)
{
int i, j;
unsigned total;
if (!bmap || !aff)
goto error;
total = isl_space_dim(bmap->dim, isl_dim_all);
for (i = bmap->n_eq - 1; i >= 0; --i) {
if (isl_seq_first_non_zero(bmap->eq[i] + 1 + total,
bmap->n_div) != -1)
continue;
for (j = 0; j < aff->n_eq; ++j) {
if (!isl_seq_eq(bmap->eq[i], aff->eq[j], 1 + total) &&
!isl_seq_is_neg(bmap->eq[i], aff->eq[j], 1 + total))
continue;
if (isl_basic_map_drop_equality(bmap, i) < 0)
goto error;
break;
}
}
return bmap;
error:
isl_basic_map_free(bmap);
return NULL;
}
static __isl_give struct isl_aff_split *split_aff(__isl_keep isl_map *map)
{
int i, n;
struct isl_aff_split *split;
isl_ctx *ctx;
ctx = isl_map_get_ctx(map);
split = isl_calloc_array(ctx, struct isl_aff_split, map->n);
if (!split)
return NULL;
for (i = 0; i < map->n; ++i) {
isl_basic_map *bmap;
split[i].aff = get_aff(isl_basic_map_copy(map->p[i]));
bmap = isl_basic_map_copy(map->p[i]);
bmap = isl_basic_map_cow(bmap);
bmap = drop_aff(bmap, split[i].aff);
split[i].map = isl_map_from_basic_map(bmap);
if (!split[i].aff || !split[i].map)
goto error;
}
if (isl_sort(split, map->n, sizeof(struct isl_aff_split),
&aff_split_cmp, NULL) < 0)
goto error;
n = map->n;
for (i = n - 1; i >= 1; --i) {
if (!isl_basic_map_plain_is_equal(split[i - 1].aff,
split[i].aff))
continue;
isl_basic_map_free(split[i].aff);
split[i - 1].map = isl_map_union(split[i - 1].map,
split[i].map);
if (i != n - 1)
split[i] = split[n - 1];
split[n - 1].aff = NULL;
split[n - 1].map = NULL;
--n;
}
return split;
error:
free_split(split, map->n);
return NULL;
}
static int defining_equality(__isl_keep isl_basic_map *eq,
__isl_keep isl_space *dim, enum isl_dim_type type, int pos)
{
int i;
unsigned total;
if (!eq)
return -1;
pos += isl_space_offset(dim, type);
total = isl_basic_map_total_dim(eq);
for (i = 0; i < eq->n_eq; ++i) {
if (isl_seq_last_non_zero(eq->eq[i] + 1, total) != pos)
continue;
if (isl_int_is_one(eq->eq[i][1 + pos]))
isl_seq_neg(eq->eq[i], eq->eq[i], 1 + total);
return i;
}
return -1;
}
/* Print dimension "pos" of data->space to "p".
*
* data->user is assumed to be an isl_basic_map keeping track of equalities.
*
* If the current dimension is defined by these equalities, then print
* the corresponding expression. Otherwise, print the name of the dimension.
*/
static __isl_give isl_printer *print_dim_eq(__isl_take isl_printer *p,
struct isl_print_space_data *data, unsigned pos)
{
isl_basic_map *eq = data->user;
int j;
j = defining_equality(eq, data->space, data->type, pos);
if (j >= 0) {
pos += 1 + isl_space_offset(data->space, data->type);
p = print_affine_of_len(eq->dim, NULL, p, eq->eq[j], pos);
} else {
p = print_name(data->space, p, data->type, pos, data->latex);
}
return p;
}
static __isl_give isl_printer *print_split_map(__isl_take isl_printer *p,
struct isl_aff_split *split, int n)
{
struct isl_print_space_data data = { 0 };
int i;
int rational;
data.print_dim = &print_dim_eq;
for (i = 0; i < n; ++i) {
isl_space *dim;
if (!split[i].map)
break;
dim = split[i].map->dim;
rational = split[i].map->n > 0 &&
ISL_F_ISSET(split[i].map->p[0], ISL_BASIC_MAP_RATIONAL);
if (i)
p = isl_printer_print_str(p, "; ");
data.user = split[i].aff;
p = print_space(dim, p, rational, &data);
p = print_disjuncts_map(split[i].map, p, 0);
}
return p;
}
static __isl_give isl_printer *isl_map_print_isl_body(__isl_keep isl_map *map,
__isl_take isl_printer *p)
{
struct isl_print_space_data data = { 0 };
struct isl_aff_split *split = NULL;
int rational;
if (map->n > 0)
split = split_aff(map);
if (split) {
p = print_split_map(p, split, map->n);
} else {
rational = map->n > 0 &&
ISL_F_ISSET(map->p[0], ISL_BASIC_MAP_RATIONAL);
p = print_space(map->dim, p, rational, &data);
p = print_disjuncts_map(map, p, 0);
}
free_split(split, map->n);
return p;
}
static __isl_give isl_printer *isl_map_print_isl(__isl_keep isl_map *map,
__isl_take isl_printer *p)
{
struct isl_print_space_data data = { 0 };
if (isl_map_dim(map, isl_dim_param) > 0) {
p = print_tuple(map->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, s_to[0]);
}
p = isl_printer_print_str(p, s_open_set[0]);
p = isl_map_print_isl_body(map, p);
p = isl_printer_print_str(p, s_close_set[0]);
return p;
}
static __isl_give isl_printer *print_latex_map(__isl_keep isl_map *map,
__isl_take isl_printer *p, __isl_keep isl_basic_map *aff)
{
struct isl_print_space_data data = { 0 };
data.latex = 1;
if (isl_map_dim(map, isl_dim_param) > 0) {
p = print_tuple(map->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, s_to[1]);
}
p = isl_printer_print_str(p, s_open_set[1]);
data.print_dim = &print_dim_eq;
data.user = aff;
p = print_space(map->dim, p, 0, &data);
p = print_disjuncts_map(map, p, 1);
p = isl_printer_print_str(p, s_close_set[1]);
return p;
}
static __isl_give isl_printer *isl_map_print_latex(__isl_keep isl_map *map,
__isl_take isl_printer *p)
{
int i;
struct isl_aff_split *split = NULL;
if (map->n > 0)
split = split_aff(map);
if (!split)
return print_latex_map(map, p, NULL);
for (i = 0; i < map->n; ++i) {
if (!split[i].map)
break;
if (i)
p = isl_printer_print_str(p, " \\cup ");
p = print_latex_map(split[i].map, p, split[i].aff);
}
free_split(split, map->n);
return p;
}
__isl_give isl_printer *isl_printer_print_basic_map(__isl_take isl_printer *p,
__isl_keep isl_basic_map *bmap)
{
if (!p || !bmap)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return isl_basic_map_print_isl(bmap, p, 0);
else if (p->output_format == ISL_FORMAT_OMEGA)
return basic_map_print_omega(bmap, p);
isl_assert(bmap->ctx, 0, goto error);
error:
isl_printer_free(p);
return NULL;
}
void isl_basic_map_print(__isl_keep isl_basic_map *bmap, FILE *out, int indent,
const char *prefix, const char *suffix, unsigned output_format)
{
isl_printer *printer;
if (!bmap)
return;
printer = isl_printer_to_file(bmap->ctx, out);
printer = isl_printer_set_indent(printer, indent);
printer = isl_printer_set_prefix(printer, prefix);
printer = isl_printer_set_suffix(printer, suffix);
printer = isl_printer_set_output_format(printer, output_format);
isl_printer_print_basic_map(printer, bmap);
isl_printer_free(printer);
}
__isl_give isl_printer *isl_printer_print_basic_set(__isl_take isl_printer *p,
__isl_keep isl_basic_set *bset)
{
if (!p || !bset)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return isl_basic_map_print_isl(bset, p, 0);
else if (p->output_format == ISL_FORMAT_POLYLIB)
return isl_basic_set_print_polylib(bset, p, 0);
else if (p->output_format == ISL_FORMAT_EXT_POLYLIB)
return isl_basic_set_print_polylib(bset, p, 1);
else if (p->output_format == ISL_FORMAT_POLYLIB_CONSTRAINTS)
return bset_print_constraints_polylib(bset, p);
else if (p->output_format == ISL_FORMAT_OMEGA)
return basic_set_print_omega(bset, p);
isl_assert(p->ctx, 0, goto error);
error:
isl_printer_free(p);
return NULL;
}
void isl_basic_set_print(struct isl_basic_set *bset, FILE *out, int indent,
const char *prefix, const char *suffix, unsigned output_format)
{
isl_printer *printer;
if (!bset)
return;
printer = isl_printer_to_file(bset->ctx, out);
printer = isl_printer_set_indent(printer, indent);
printer = isl_printer_set_prefix(printer, prefix);
printer = isl_printer_set_suffix(printer, suffix);
printer = isl_printer_set_output_format(printer, output_format);
isl_printer_print_basic_set(printer, bset);
isl_printer_free(printer);
}
__isl_give isl_printer *isl_printer_print_set(__isl_take isl_printer *p,
__isl_keep isl_set *set)
{
if (!p || !set)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return isl_map_print_isl((isl_map *)set, p);
else if (p->output_format == ISL_FORMAT_POLYLIB)
return isl_set_print_polylib(set, p, 0);
else if (p->output_format == ISL_FORMAT_EXT_POLYLIB)
return isl_set_print_polylib(set, p, 1);
else if (p->output_format == ISL_FORMAT_OMEGA)
return isl_set_print_omega(set, p);
else if (p->output_format == ISL_FORMAT_LATEX)
return isl_map_print_latex((isl_map *)set, p);
isl_assert(set->ctx, 0, goto error);
error:
isl_printer_free(p);
return NULL;
}
void isl_set_print(struct isl_set *set, FILE *out, int indent,
unsigned output_format)
{
isl_printer *printer;
if (!set)
return;
printer = isl_printer_to_file(set->ctx, out);
printer = isl_printer_set_indent(printer, indent);
printer = isl_printer_set_output_format(printer, output_format);
printer = isl_printer_print_set(printer, set);
isl_printer_free(printer);
}
__isl_give isl_printer *isl_printer_print_map(__isl_take isl_printer *p,
__isl_keep isl_map *map)
{
if (!p || !map)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return isl_map_print_isl(map, p);
else if (p->output_format == ISL_FORMAT_POLYLIB)
return isl_map_print_polylib(map, p, 0);
else if (p->output_format == ISL_FORMAT_EXT_POLYLIB)
return isl_map_print_polylib(map, p, 1);
else if (p->output_format == ISL_FORMAT_OMEGA)
return isl_map_print_omega(map, p);
else if (p->output_format == ISL_FORMAT_LATEX)
return isl_map_print_latex(map, p);
isl_assert(map->ctx, 0, goto error);
error:
isl_printer_free(p);
return NULL;
}
struct isl_union_print_data {
isl_printer *p;
int first;
};
static int print_map_body(__isl_take isl_map *map, void *user)
{
struct isl_union_print_data *data;
data = (struct isl_union_print_data *)user;
if (!data->first)
data->p = isl_printer_print_str(data->p, "; ");
data->first = 0;
data->p = isl_map_print_isl_body(map, data->p);
isl_map_free(map);
return 0;
}
static __isl_give isl_printer *isl_union_map_print_isl(
__isl_keep isl_union_map *umap, __isl_take isl_printer *p)
{
struct isl_union_print_data data = { p, 1 };
struct isl_print_space_data space_data = { 0 };
isl_space *dim;
dim = isl_union_map_get_space(umap);
if (isl_space_dim(dim, isl_dim_param) > 0) {
p = print_tuple(dim, p, isl_dim_param, &space_data);
p = isl_printer_print_str(p, s_to[0]);
}
isl_space_free(dim);
p = isl_printer_print_str(p, s_open_set[0]);
isl_union_map_foreach_map(umap, &print_map_body, &data);
p = data.p;
p = isl_printer_print_str(p, s_close_set[0]);
return p;
}
static int print_latex_map_body(__isl_take isl_map *map, void *user)
{
struct isl_union_print_data *data;
data = (struct isl_union_print_data *)user;
if (!data->first)
data->p = isl_printer_print_str(data->p, " \\cup ");
data->first = 0;
data->p = isl_map_print_latex(map, data->p);
isl_map_free(map);
return 0;
}
static __isl_give isl_printer *isl_union_map_print_latex(
__isl_keep isl_union_map *umap, __isl_take isl_printer *p)
{
struct isl_union_print_data data = { p, 1 };
isl_union_map_foreach_map(umap, &print_latex_map_body, &data);
p = data.p;
return p;
}
__isl_give isl_printer *isl_printer_print_union_map(__isl_take isl_printer *p,
__isl_keep isl_union_map *umap)
{
if (!p || !umap)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return isl_union_map_print_isl(umap, p);
if (p->output_format == ISL_FORMAT_LATEX)
return isl_union_map_print_latex(umap, p);
isl_die(p->ctx, isl_error_invalid,
"invalid output format for isl_union_map", goto error);
error:
isl_printer_free(p);
return NULL;
}
__isl_give isl_printer *isl_printer_print_union_set(__isl_take isl_printer *p,
__isl_keep isl_union_set *uset)
{
if (!p || !uset)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return isl_union_map_print_isl((isl_union_map *)uset, p);
if (p->output_format == ISL_FORMAT_LATEX)
return isl_union_map_print_latex((isl_union_map *)uset, p);
isl_die(p->ctx, isl_error_invalid,
"invalid output format for isl_union_set", goto error);
error:
isl_printer_free(p);
return NULL;
}
void isl_map_print(__isl_keep isl_map *map, FILE *out, int indent,
unsigned output_format)
{
isl_printer *printer;
if (!map)
return;
printer = isl_printer_to_file(map->ctx, out);
printer = isl_printer_set_indent(printer, indent);
printer = isl_printer_set_output_format(printer, output_format);
printer = isl_printer_print_map(printer, map);
isl_printer_free(printer);
}
static int upoly_rec_n_non_zero(__isl_keep struct isl_upoly_rec *rec)
{
int i;
int n;
for (i = 0, n = 0; i < rec->n; ++i)
if (!isl_upoly_is_zero(rec->p[i]))
++n;
return n;
}
static __isl_give isl_printer *upoly_print_cst(__isl_keep struct isl_upoly *up,
__isl_take isl_printer *p, int first)
{
struct isl_upoly_cst *cst;
int neg;
cst = isl_upoly_as_cst(up);
if (!cst)
goto error;
neg = !first && isl_int_is_neg(cst->n);
if (!first)
p = isl_printer_print_str(p, neg ? " - " : " + ");
if (neg)
isl_int_neg(cst->n, cst->n);
if (isl_int_is_zero(cst->d)) {
int sgn = isl_int_sgn(cst->n);
p = isl_printer_print_str(p, sgn < 0 ? "-infty" :
sgn == 0 ? "NaN" : "infty");
} else
p = isl_printer_print_isl_int(p, cst->n);
if (neg)
isl_int_neg(cst->n, cst->n);
if (!isl_int_is_zero(cst->d) && !isl_int_is_one(cst->d)) {
p = isl_printer_print_str(p, "/");
p = isl_printer_print_isl_int(p, cst->d);
}
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_base(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_mat *div, int var)
{
unsigned total;
total = isl_space_dim(dim, isl_dim_all);
if (var < total)
p = print_term(dim, NULL, dim->ctx->one, 1 + var, p, 0);
else
p = print_div(dim, div, var - total, p);
return p;
}
static __isl_give isl_printer *print_pow(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_mat *div, int var, int exp)
{
p = print_base(p, dim, div, var);
if (exp == 1)
return p;
if (p->output_format == ISL_FORMAT_C) {
int i;
for (i = 1; i < exp; ++i) {
p = isl_printer_print_str(p, "*");
p = print_base(p, dim, div, var);
}
} else {
p = isl_printer_print_str(p, "^");
p = isl_printer_print_int(p, exp);
}
return p;
}
static __isl_give isl_printer *upoly_print(__isl_keep struct isl_upoly *up,
__isl_keep isl_space *dim, __isl_keep isl_mat *div,
__isl_take isl_printer *p, int outer)
{
int i, n, first, print_parens;
struct isl_upoly_rec *rec;
if (!p || !up || !dim || !div)
goto error;
if (isl_upoly_is_cst(up))
return upoly_print_cst(up, p, 1);
rec = isl_upoly_as_rec(up);
if (!rec)
goto error;
n = upoly_rec_n_non_zero(rec);
print_parens = n > 1 ||
(outer && rec->up.var >= isl_space_dim(dim, isl_dim_all));
if (print_parens)
p = isl_printer_print_str(p, "(");
for (i = 0, first = 1; i < rec->n; ++i) {
if (isl_upoly_is_zero(rec->p[i]))
continue;
if (isl_upoly_is_negone(rec->p[i])) {
if (!i)
p = isl_printer_print_str(p, "-1");
else if (first)
p = isl_printer_print_str(p, "-");
else
p = isl_printer_print_str(p, " - ");
} else if (isl_upoly_is_cst(rec->p[i]) &&
!isl_upoly_is_one(rec->p[i]))
p = upoly_print_cst(rec->p[i], p, first);
else {
if (!first)
p = isl_printer_print_str(p, " + ");
if (i == 0 || !isl_upoly_is_one(rec->p[i]))
p = upoly_print(rec->p[i], dim, div, p, 0);
}
first = 0;
if (i == 0)
continue;
if (!isl_upoly_is_one(rec->p[i]) &&
!isl_upoly_is_negone(rec->p[i]))
p = isl_printer_print_str(p, " * ");
p = print_pow(p, dim, div, rec->up.var, i);
}
if (print_parens)
p = isl_printer_print_str(p, ")");
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_qpolynomial(__isl_take isl_printer *p,
__isl_keep isl_qpolynomial *qp)
{
if (!p || !qp)
goto error;
p = upoly_print(qp->upoly, qp->dim, qp->div, p, 1);
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_qpolynomial_isl(__isl_take isl_printer *p,
__isl_keep isl_qpolynomial *qp)
{
struct isl_print_space_data data = { 0 };
if (!p || !qp)
goto error;
if (isl_space_dim(qp->dim, isl_dim_param) > 0) {
p = print_tuple(qp->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
if (!isl_space_is_params(qp->dim)) {
p = print_space(qp->dim, p, 0, &data);
p = isl_printer_print_str(p, " -> ");
}
p = print_qpolynomial(p, qp);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_qpolynomial_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_qpolynomial *qp)
{
isl_int den;
isl_int_init(den);
isl_qpolynomial_get_den(qp, &den);
if (!isl_int_is_one(den)) {
isl_qpolynomial *f;
p = isl_printer_print_str(p, "(");
qp = isl_qpolynomial_copy(qp);
f = isl_qpolynomial_rat_cst_on_domain(isl_space_copy(qp->dim),
den, qp->dim->ctx->one);
qp = isl_qpolynomial_mul(qp, f);
}
if (qp)
p = upoly_print(qp->upoly, dim, qp->div, p, 0);
else
p = isl_printer_free(p);
if (!isl_int_is_one(den)) {
p = isl_printer_print_str(p, ")/");
p = isl_printer_print_isl_int(p, den);
isl_qpolynomial_free(qp);
}
isl_int_clear(den);
return p;
}
__isl_give isl_printer *isl_printer_print_qpolynomial(
__isl_take isl_printer *p, __isl_keep isl_qpolynomial *qp)
{
if (!p || !qp)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_qpolynomial_isl(p, qp);
else if (p->output_format == ISL_FORMAT_C)
return print_qpolynomial_c(p, qp->dim, qp);
else
isl_die(qp->dim->ctx, isl_error_unsupported,
"output format not supported for isl_qpolynomials",
goto error);
error:
isl_printer_free(p);
return NULL;
}
void isl_qpolynomial_print(__isl_keep isl_qpolynomial *qp, FILE *out,
unsigned output_format)
{
isl_printer *p;
if (!qp)
return;
isl_assert(qp->dim->ctx, output_format == ISL_FORMAT_ISL, return);
p = isl_printer_to_file(qp->dim->ctx, out);
p = isl_printer_print_qpolynomial(p, qp);
isl_printer_free(p);
}
static __isl_give isl_printer *qpolynomial_fold_print(
__isl_keep isl_qpolynomial_fold *fold, __isl_take isl_printer *p)
{
int i;
if (fold->type == isl_fold_min)
p = isl_printer_print_str(p, "min");
else if (fold->type == isl_fold_max)
p = isl_printer_print_str(p, "max");
p = isl_printer_print_str(p, "(");
for (i = 0; i < fold->n; ++i) {
if (i)
p = isl_printer_print_str(p, ", ");
p = print_qpolynomial(p, fold->qp[i]);
}
p = isl_printer_print_str(p, ")");
return p;
}
void isl_qpolynomial_fold_print(__isl_keep isl_qpolynomial_fold *fold,
FILE *out, unsigned output_format)
{
isl_printer *p;
if (!fold)
return;
isl_assert(fold->dim->ctx, output_format == ISL_FORMAT_ISL, return);
p = isl_printer_to_file(fold->dim->ctx, out);
p = isl_printer_print_qpolynomial_fold(p, fold);
isl_printer_free(p);
}
static __isl_give isl_printer *isl_pwqp_print_isl_body(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial *pwqp)
{
struct isl_print_space_data data = { 0 };
int i = 0;
for (i = 0; i < pwqp->n; ++i) {
if (i)
p = isl_printer_print_str(p, "; ");
if (!isl_space_is_params(pwqp->p[i].set->dim)) {
p = print_space(pwqp->p[i].set->dim, p, 0, &data);
p = isl_printer_print_str(p, " -> ");
}
p = print_qpolynomial(p, pwqp->p[i].qp);
p = print_disjuncts((isl_map *)pwqp->p[i].set, p, 0);
}
return p;
}
static __isl_give isl_printer *print_pw_qpolynomial_isl(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial *pwqp)
{
struct isl_print_space_data data = { 0 };
if (!p || !pwqp)
goto error;
if (isl_space_dim(pwqp->dim, isl_dim_param) > 0) {
p = print_tuple(pwqp->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
if (pwqp->n == 0) {
if (!isl_space_is_set(pwqp->dim)) {
p = print_tuple(pwqp->dim, p, isl_dim_in, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "0");
}
p = isl_pwqp_print_isl_body(p, pwqp);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
void isl_pw_qpolynomial_print(__isl_keep isl_pw_qpolynomial *pwqp, FILE *out,
unsigned output_format)
{
isl_printer *p;
if (!pwqp)
return;
p = isl_printer_to_file(pwqp->dim->ctx, out);
p = isl_printer_set_output_format(p, output_format);
p = isl_printer_print_pw_qpolynomial(p, pwqp);
isl_printer_free(p);
}
static __isl_give isl_printer *isl_pwf_print_isl_body(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial_fold *pwf)
{
struct isl_print_space_data data = { 0 };
int i = 0;
for (i = 0; i < pwf->n; ++i) {
if (i)
p = isl_printer_print_str(p, "; ");
if (!isl_space_is_params(pwf->p[i].set->dim)) {
p = print_space(pwf->p[i].set->dim, p, 0, &data);
p = isl_printer_print_str(p, " -> ");
}
p = qpolynomial_fold_print(pwf->p[i].fold, p);
p = print_disjuncts((isl_map *)pwf->p[i].set, p, 0);
}
return p;
}
static __isl_give isl_printer *print_pw_qpolynomial_fold_isl(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial_fold *pwf)
{
struct isl_print_space_data data = { 0 };
if (isl_space_dim(pwf->dim, isl_dim_param) > 0) {
p = print_tuple(pwf->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
if (pwf->n == 0) {
if (!isl_space_is_set(pwf->dim)) {
p = print_tuple(pwf->dim, p, isl_dim_in, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "0");
}
p = isl_pwf_print_isl_body(p, pwf);
p = isl_printer_print_str(p, " }");
return p;
}
static __isl_give isl_printer *print_affine_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_basic_set *bset, isl_int *c);
static __isl_give isl_printer *print_name_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim,
__isl_keep isl_basic_set *bset, enum isl_dim_type type, unsigned pos)
{
if (type == isl_dim_div) {
p = isl_printer_print_str(p, "floord(");
p = print_affine_c(p, dim, bset, bset->div[pos] + 1);
p = isl_printer_print_str(p, ", ");
p = isl_printer_print_isl_int(p, bset->div[pos][0]);
p = isl_printer_print_str(p, ")");
} else {
const char *name;
name = isl_space_get_dim_name(dim, type, pos);
if (!name)
name = "UNNAMED";
p = isl_printer_print_str(p, name);
}
return p;
}
static __isl_give isl_printer *print_term_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim,
__isl_keep isl_basic_set *bset, isl_int c, unsigned pos)
{
enum isl_dim_type type;
if (pos == 0)
return isl_printer_print_isl_int(p, c);
if (isl_int_is_one(c))
;
else if (isl_int_is_negone(c))
p = isl_printer_print_str(p, "-");
else {
p = isl_printer_print_isl_int(p, c);
p = isl_printer_print_str(p, "*");
}
type = pos2type(dim, &pos);
p = print_name_c(p, dim, bset, type, pos);
return p;
}
static __isl_give isl_printer *print_partial_affine_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim,
__isl_keep isl_basic_set *bset, isl_int *c, unsigned len)
{
int i;
int first;
for (i = 0, first = 1; i < len; ++i) {
int flip = 0;
if (isl_int_is_zero(c[i]))
continue;
if (!first) {
if (isl_int_is_neg(c[i])) {
flip = 1;
isl_int_neg(c[i], c[i]);
p = isl_printer_print_str(p, " - ");
} else
p = isl_printer_print_str(p, " + ");
}
first = 0;
p = print_term_c(p, dim, bset, c[i], i);
if (flip)
isl_int_neg(c[i], c[i]);
}
if (first)
p = isl_printer_print_str(p, "0");
return p;
}
static __isl_give isl_printer *print_affine_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_basic_set *bset, isl_int *c)
{
unsigned len = 1 + isl_basic_set_total_dim(bset);
return print_partial_affine_c(p, dim, bset, c, len);
}
/* We skip the constraint if it is implied by the div expression.
*
* *first indicates whether this is the first constraint in the conjunction and
* is updated if the constraint is actually printed.
*/
static __isl_give isl_printer *print_constraint_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim,
__isl_keep isl_basic_set *bset, isl_int *c, const char *op, int *first)
{
unsigned o_div;
unsigned n_div;
int div;
o_div = isl_basic_set_offset(bset, isl_dim_div);
n_div = isl_basic_set_dim(bset, isl_dim_div);
div = isl_seq_last_non_zero(c + o_div, n_div);
if (div >= 0 && isl_basic_set_is_div_constraint(bset, c, div))
return p;
if (!*first)
p = isl_printer_print_str(p, " && ");
p = print_affine_c(p, dim, bset, c);
p = isl_printer_print_str(p, " ");
p = isl_printer_print_str(p, op);
p = isl_printer_print_str(p, " 0");
*first = 0;
return p;
}
static __isl_give isl_printer *print_basic_set_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_basic_set *bset)
{
int i, j;
int first = 1;
unsigned n_div = isl_basic_set_dim(bset, isl_dim_div);
unsigned total = isl_basic_set_total_dim(bset) - n_div;
for (i = 0; i < bset->n_eq; ++i) {
j = isl_seq_last_non_zero(bset->eq[i] + 1 + total, n_div);
if (j < 0)
p = print_constraint_c(p, dim, bset,
bset->eq[i], "==", &first);
else {
if (i)
p = isl_printer_print_str(p, " && ");
p = isl_printer_print_str(p, "(");
p = print_partial_affine_c(p, dim, bset, bset->eq[i],
1 + total + j);
p = isl_printer_print_str(p, ") % ");
p = isl_printer_print_isl_int(p,
bset->eq[i][1 + total + j]);
p = isl_printer_print_str(p, " == 0");
first = 0;
}
}
for (i = 0; i < bset->n_ineq; ++i)
p = print_constraint_c(p, dim, bset, bset->ineq[i], ">=",
&first);
return p;
}
static __isl_give isl_printer *print_set_c(__isl_take isl_printer *p,
__isl_keep isl_space *dim, __isl_keep isl_set *set)
{
int i;
if (!set)
return isl_printer_free(p);
if (set->n == 0)
p = isl_printer_print_str(p, "0");
for (i = 0; i < set->n; ++i) {
if (i)
p = isl_printer_print_str(p, " || ");
if (set->n > 1)
p = isl_printer_print_str(p, "(");
p = print_basic_set_c(p, dim, set->p[i]);
if (set->n > 1)
p = isl_printer_print_str(p, ")");
}
return p;
}
static __isl_give isl_printer *print_pw_qpolynomial_c(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial *pwqp)
{
int i;
if (pwqp->n == 1 && isl_set_plain_is_universe(pwqp->p[0].set))
return print_qpolynomial_c(p, pwqp->dim, pwqp->p[0].qp);
for (i = 0; i < pwqp->n; ++i) {
p = isl_printer_print_str(p, "(");
p = print_set_c(p, pwqp->dim, pwqp->p[i].set);
p = isl_printer_print_str(p, ") ? (");
p = print_qpolynomial_c(p, pwqp->dim, pwqp->p[i].qp);
p = isl_printer_print_str(p, ") : ");
}
p = isl_printer_print_str(p, "0");
return p;
}
__isl_give isl_printer *isl_printer_print_pw_qpolynomial(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial *pwqp)
{
if (!p || !pwqp)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_pw_qpolynomial_isl(p, pwqp);
else if (p->output_format == ISL_FORMAT_C)
return print_pw_qpolynomial_c(p, pwqp);
isl_assert(p->ctx, 0, goto error);
error:
isl_printer_free(p);
return NULL;
}
static int print_pwqp_body(__isl_take isl_pw_qpolynomial *pwqp, void *user)
{
struct isl_union_print_data *data;
data = (struct isl_union_print_data *)user;
if (!data->first)
data->p = isl_printer_print_str(data->p, "; ");
data->first = 0;
data->p = isl_pwqp_print_isl_body(data->p, pwqp);
isl_pw_qpolynomial_free(pwqp);
return 0;
}
static __isl_give isl_printer *print_union_pw_qpolynomial_isl(
__isl_take isl_printer *p, __isl_keep isl_union_pw_qpolynomial *upwqp)
{
struct isl_union_print_data data = { p, 1 };
struct isl_print_space_data space_data = { 0 };
isl_space *dim;
dim = isl_union_pw_qpolynomial_get_space(upwqp);
if (isl_space_dim(dim, isl_dim_param) > 0) {
p = print_tuple(dim, p, isl_dim_param, &space_data);
p = isl_printer_print_str(p, " -> ");
}
isl_space_free(dim);
p = isl_printer_print_str(p, "{ ");
isl_union_pw_qpolynomial_foreach_pw_qpolynomial(upwqp, &print_pwqp_body,
&data);
p = data.p;
p = isl_printer_print_str(p, " }");
return p;
}
__isl_give isl_printer *isl_printer_print_union_pw_qpolynomial(
__isl_take isl_printer *p, __isl_keep isl_union_pw_qpolynomial *upwqp)
{
if (!p || !upwqp)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_union_pw_qpolynomial_isl(p, upwqp);
isl_die(p->ctx, isl_error_invalid,
"invalid output format for isl_union_pw_qpolynomial",
goto error);
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_qpolynomial_fold_c(
__isl_take isl_printer *p, __isl_keep isl_space *dim,
__isl_keep isl_qpolynomial_fold *fold)
{
int i;
for (i = 0; i < fold->n - 1; ++i)
if (fold->type == isl_fold_min)
p = isl_printer_print_str(p, "min(");
else if (fold->type == isl_fold_max)
p = isl_printer_print_str(p, "max(");
for (i = 0; i < fold->n; ++i) {
if (i)
p = isl_printer_print_str(p, ", ");
p = print_qpolynomial_c(p, dim, fold->qp[i]);
if (i)
p = isl_printer_print_str(p, ")");
}
return p;
}
__isl_give isl_printer *isl_printer_print_qpolynomial_fold(
__isl_take isl_printer *p, __isl_keep isl_qpolynomial_fold *fold)
{
if (!p || !fold)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return qpolynomial_fold_print(fold, p);
else if (p->output_format == ISL_FORMAT_C)
return print_qpolynomial_fold_c(p, fold->dim, fold);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
goto error);
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_pw_qpolynomial_fold_c(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial_fold *pwf)
{
int i;
if (pwf->n == 1 && isl_set_plain_is_universe(pwf->p[0].set))
return print_qpolynomial_fold_c(p, pwf->dim, pwf->p[0].fold);
for (i = 0; i < pwf->n; ++i) {
p = isl_printer_print_str(p, "(");
p = print_set_c(p, pwf->dim, pwf->p[i].set);
p = isl_printer_print_str(p, ") ? (");
p = print_qpolynomial_fold_c(p, pwf->dim, pwf->p[i].fold);
p = isl_printer_print_str(p, ") : ");
}
p = isl_printer_print_str(p, "0");
return p;
}
__isl_give isl_printer *isl_printer_print_pw_qpolynomial_fold(
__isl_take isl_printer *p, __isl_keep isl_pw_qpolynomial_fold *pwf)
{
if (!p || !pwf)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_pw_qpolynomial_fold_isl(p, pwf);
else if (p->output_format == ISL_FORMAT_C)
return print_pw_qpolynomial_fold_c(p, pwf);
isl_assert(p->ctx, 0, goto error);
error:
isl_printer_free(p);
return NULL;
}
void isl_pw_qpolynomial_fold_print(__isl_keep isl_pw_qpolynomial_fold *pwf,
FILE *out, unsigned output_format)
{
isl_printer *p;
if (!pwf)
return;
p = isl_printer_to_file(pwf->dim->ctx, out);
p = isl_printer_set_output_format(p, output_format);
p = isl_printer_print_pw_qpolynomial_fold(p, pwf);
isl_printer_free(p);
}
static int print_pwf_body(__isl_take isl_pw_qpolynomial_fold *pwf, void *user)
{
struct isl_union_print_data *data;
data = (struct isl_union_print_data *)user;
if (!data->first)
data->p = isl_printer_print_str(data->p, "; ");
data->first = 0;
data->p = isl_pwf_print_isl_body(data->p, pwf);
isl_pw_qpolynomial_fold_free(pwf);
return 0;
}
static __isl_give isl_printer *print_union_pw_qpolynomial_fold_isl(
__isl_take isl_printer *p,
__isl_keep isl_union_pw_qpolynomial_fold *upwf)
{
struct isl_union_print_data data = { p, 1 };
struct isl_print_space_data space_data = { 0 };
isl_space *dim;
dim = isl_union_pw_qpolynomial_fold_get_space(upwf);
if (isl_space_dim(dim, isl_dim_param) > 0) {
p = print_tuple(dim, p, isl_dim_param, &space_data);
p = isl_printer_print_str(p, " -> ");
}
isl_space_free(dim);
p = isl_printer_print_str(p, "{ ");
isl_union_pw_qpolynomial_fold_foreach_pw_qpolynomial_fold(upwf,
&print_pwf_body, &data);
p = data.p;
p = isl_printer_print_str(p, " }");
return p;
}
__isl_give isl_printer *isl_printer_print_union_pw_qpolynomial_fold(
__isl_take isl_printer *p,
__isl_keep isl_union_pw_qpolynomial_fold *upwf)
{
if (!p || !upwf)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_union_pw_qpolynomial_fold_isl(p, upwf);
isl_die(p->ctx, isl_error_invalid,
"invalid output format for isl_union_pw_qpolynomial_fold",
goto error);
error:
isl_printer_free(p);
return NULL;
}
__isl_give isl_printer *isl_printer_print_constraint(__isl_take isl_printer *p,
__isl_keep isl_constraint *c)
{
isl_basic_map *bmap;
if (!p || !c)
goto error;
bmap = isl_basic_map_from_constraint(isl_constraint_copy(c));
p = isl_printer_print_basic_map(p, bmap);
isl_basic_map_free(bmap);
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *isl_printer_print_space_isl(
__isl_take isl_printer *p, __isl_keep isl_space *dim)
{
struct isl_print_space_data data = { 0 };
if (!dim)
goto error;
if (isl_space_dim(dim, isl_dim_param) > 0) {
p = print_tuple(dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
if (isl_space_is_params(dim))
p = isl_printer_print_str(p, s_such_that[0]);
else
p = print_space(dim, p, 0, &data);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
__isl_give isl_printer *isl_printer_print_space(__isl_take isl_printer *p,
__isl_keep isl_space *space)
{
if (!p || !space)
return isl_printer_free(p);
if (p->output_format == ISL_FORMAT_ISL)
return isl_printer_print_space_isl(p, space);
else if (p->output_format == ISL_FORMAT_OMEGA)
return print_omega_parameters(space, p);
isl_die(isl_space_get_ctx(space), isl_error_unsupported,
"output format not supported for space",
return isl_printer_free(p));
}
__isl_give isl_printer *isl_printer_print_local_space(__isl_take isl_printer *p,
__isl_keep isl_local_space *ls)
{
struct isl_print_space_data data = { 0 };
unsigned total;
unsigned n_div;
if (!ls)
goto error;
total = isl_local_space_dim(ls, isl_dim_all);
if (isl_local_space_dim(ls, isl_dim_param) > 0) {
p = print_tuple(ls->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
p = print_space(ls->dim, p, 0, &data);
n_div = isl_local_space_dim(ls, isl_dim_div);
if (n_div > 0) {
p = isl_printer_print_str(p, " : ");
p = isl_printer_print_str(p, s_open_exists[0]);
p = print_div_list(p, ls->dim, ls->div, 0);
} else if (isl_space_is_params(ls->dim))
p = isl_printer_print_str(p, s_such_that[0]);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_aff_body(__isl_take isl_printer *p,
__isl_keep isl_aff *aff)
{
unsigned total;
if (isl_aff_is_nan(aff))
return isl_printer_print_str(p, "NaN");
total = isl_local_space_dim(aff->ls, isl_dim_all);
p = isl_printer_print_str(p, "(");
p = print_affine_of_len(aff->ls->dim, aff->ls->div, p,
aff->v->el + 1, 1 + total);
if (isl_int_is_one(aff->v->el[0]))
p = isl_printer_print_str(p, ")");
else {
p = isl_printer_print_str(p, ")/");
p = isl_printer_print_isl_int(p, aff->v->el[0]);
}
return p;
}
static __isl_give isl_printer *print_aff(__isl_take isl_printer *p,
__isl_keep isl_aff *aff)
{
struct isl_print_space_data data = { 0 };
if (isl_space_is_params(aff->ls->dim))
;
else {
p = print_tuple(aff->ls->dim, p, isl_dim_set, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "[");
p = print_aff_body(p, aff);
p = isl_printer_print_str(p, "]");
return p;
}
static __isl_give isl_printer *print_aff_isl(__isl_take isl_printer *p,
__isl_keep isl_aff *aff)
{
struct isl_print_space_data data = { 0 };
if (!aff)
goto error;
if (isl_local_space_dim(aff->ls, isl_dim_param) > 0) {
p = print_tuple(aff->ls->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
p = print_aff(p, aff);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_pw_aff_isl(__isl_take isl_printer *p,
__isl_keep isl_pw_aff *pwaff)
{
struct isl_print_space_data data = { 0 };
int i;
if (!pwaff)
goto error;
if (isl_space_dim(pwaff->dim, isl_dim_param) > 0) {
p = print_tuple(pwaff->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
for (i = 0; i < pwaff->n; ++i) {
if (i)
p = isl_printer_print_str(p, "; ");
p = print_aff(p, pwaff->p[i].aff);
p = print_disjuncts((isl_map *)pwaff->p[i].set, p, 0);
}
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_ls_affine_c(__isl_take isl_printer *p,
__isl_keep isl_local_space *ls, isl_int *c);
static __isl_give isl_printer *print_ls_name_c(__isl_take isl_printer *p,
__isl_keep isl_local_space *ls, enum isl_dim_type type, unsigned pos)
{
if (type == isl_dim_div) {
p = isl_printer_print_str(p, "floord(");
p = print_ls_affine_c(p, ls, ls->div->row[pos] + 1);
p = isl_printer_print_str(p, ", ");
p = isl_printer_print_isl_int(p, ls->div->row[pos][0]);
p = isl_printer_print_str(p, ")");
} else {
const char *name;
name = isl_space_get_dim_name(ls->dim, type, pos);
if (!name)
name = "UNNAMED";
p = isl_printer_print_str(p, name);
}
return p;
}
static __isl_give isl_printer *print_ls_term_c(__isl_take isl_printer *p,
__isl_keep isl_local_space *ls, isl_int c, unsigned pos)
{
enum isl_dim_type type;
if (pos == 0)
return isl_printer_print_isl_int(p, c);
if (isl_int_is_one(c))
;
else if (isl_int_is_negone(c))
p = isl_printer_print_str(p, "-");
else {
p = isl_printer_print_isl_int(p, c);
p = isl_printer_print_str(p, "*");
}
type = pos2type(ls->dim, &pos);
p = print_ls_name_c(p, ls, type, pos);
return p;
}
static __isl_give isl_printer *print_ls_partial_affine_c(
__isl_take isl_printer *p, __isl_keep isl_local_space *ls,
isl_int *c, unsigned len)
{
int i;
int first;
for (i = 0, first = 1; i < len; ++i) {
int flip = 0;
if (isl_int_is_zero(c[i]))
continue;
if (!first) {
if (isl_int_is_neg(c[i])) {
flip = 1;
isl_int_neg(c[i], c[i]);
p = isl_printer_print_str(p, " - ");
} else
p = isl_printer_print_str(p, " + ");
}
first = 0;
p = print_ls_term_c(p, ls, c[i], i);
if (flip)
isl_int_neg(c[i], c[i]);
}
if (first)
p = isl_printer_print_str(p, "0");
return p;
}
static __isl_give isl_printer *print_ls_affine_c(__isl_take isl_printer *p,
__isl_keep isl_local_space *ls, isl_int *c)
{
unsigned len = 1 + isl_local_space_dim(ls, isl_dim_all);
return print_ls_partial_affine_c(p, ls, c, len);
}
static __isl_give isl_printer *print_aff_c(__isl_take isl_printer *p,
__isl_keep isl_aff *aff)
{
unsigned total;
total = isl_local_space_dim(aff->ls, isl_dim_all);
if (!isl_int_is_one(aff->v->el[0]))
p = isl_printer_print_str(p, "(");
p = print_ls_partial_affine_c(p, aff->ls, aff->v->el + 1, 1 + total);
if (!isl_int_is_one(aff->v->el[0])) {
p = isl_printer_print_str(p, ")/");
p = isl_printer_print_isl_int(p, aff->v->el[0]);
}
return p;
}
/* In the C format, we cannot express that "pwaff" may be undefined
* on parts of the domain space. We therefore assume that the expression
* will only be evaluated on its definition domain and compute the gist
* of each cell with respect to this domain.
*/
static __isl_give isl_printer *print_pw_aff_c(__isl_take isl_printer *p,
__isl_keep isl_pw_aff *pwaff)
{
isl_set *domain;
isl_ast_build *build;
isl_ast_expr *expr;
if (pwaff->n < 1)
isl_die(p->ctx, isl_error_unsupported,
"cannot print empty isl_pw_aff in C format",
return isl_printer_free(p));
domain = isl_pw_aff_domain(isl_pw_aff_copy(pwaff));
build = isl_ast_build_from_context(domain);
expr = isl_ast_build_expr_from_pw_aff(build, isl_pw_aff_copy(pwaff));
p = isl_printer_print_ast_expr(p, expr);
isl_ast_expr_free(expr);
isl_ast_build_free(build);
return p;
}
__isl_give isl_printer *isl_printer_print_aff(__isl_take isl_printer *p,
__isl_keep isl_aff *aff)
{
if (!p || !aff)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_aff_isl(p, aff);
else if (p->output_format == ISL_FORMAT_C)
return print_aff_c(p, aff);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
goto error);
error:
isl_printer_free(p);
return NULL;
}
__isl_give isl_printer *isl_printer_print_pw_aff(__isl_take isl_printer *p,
__isl_keep isl_pw_aff *pwaff)
{
if (!p || !pwaff)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_pw_aff_isl(p, pwaff);
else if (p->output_format == ISL_FORMAT_C)
return print_pw_aff_c(p, pwaff);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
goto error);
error:
isl_printer_free(p);
return NULL;
}
/* Print dimension "pos" of data->space to "p".
*
* data->user is assumed to be an isl_multi_aff.
*
* If the current dimension is an output dimension, then print
* the corresponding expression. Otherwise, print the name of the dimension.
*/
static __isl_give isl_printer *print_dim_ma(__isl_take isl_printer *p,
struct isl_print_space_data *data, unsigned pos)
{
isl_multi_aff *ma = data->user;
if (data->type == isl_dim_out)
p = print_aff_body(p, ma->p[pos]);
else
p = print_name(data->space, p, data->type, pos, data->latex);
return p;
}
static __isl_give isl_printer *print_multi_aff(__isl_take isl_printer *p,
__isl_keep isl_multi_aff *maff)
{
struct isl_print_space_data data = { 0 };
data.print_dim = &print_dim_ma;
data.user = maff;
return print_space(maff->space, p, 0, &data);
}
static __isl_give isl_printer *print_multi_aff_isl(__isl_take isl_printer *p,
__isl_keep isl_multi_aff *maff)
{
struct isl_print_space_data data = { 0 };
if (!maff)
goto error;
if (isl_space_dim(maff->space, isl_dim_param) > 0) {
p = print_tuple(maff->space, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
p = print_multi_aff(p, maff);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
__isl_give isl_printer *isl_printer_print_multi_aff(__isl_take isl_printer *p,
__isl_keep isl_multi_aff *maff)
{
if (!p || !maff)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_multi_aff_isl(p, maff);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
goto error);
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_pw_multi_aff_body(
__isl_take isl_printer *p, __isl_keep isl_pw_multi_aff *pma)
{
int i;
if (!pma)
goto error;
for (i = 0; i < pma->n; ++i) {
if (i)
p = isl_printer_print_str(p, "; ");
p = print_multi_aff(p, pma->p[i].maff);
p = print_disjuncts((isl_map *)pma->p[i].set, p, 0);
}
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_pw_multi_aff_isl(__isl_take isl_printer *p,
__isl_keep isl_pw_multi_aff *pma)
{
struct isl_print_space_data data = { 0 };
if (!pma)
goto error;
if (isl_space_dim(pma->dim, isl_dim_param) > 0) {
p = print_tuple(pma->dim, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
p = print_pw_multi_aff_body(p, pma);
p = isl_printer_print_str(p, " }");
return p;
error:
isl_printer_free(p);
return NULL;
}
static __isl_give isl_printer *print_unnamed_pw_multi_aff_c(
__isl_take isl_printer *p, __isl_keep isl_pw_multi_aff *pma)
{
int i;
for (i = 0; i < pma->n - 1; ++i) {
p = isl_printer_print_str(p, "(");
p = print_set_c(p, pma->dim, pma->p[i].set);
p = isl_printer_print_str(p, ") ? (");
p = print_aff_c(p, pma->p[i].maff->p[0]);
p = isl_printer_print_str(p, ") : ");
}
return print_aff_c(p, pma->p[pma->n - 1].maff->p[0]);
}
static __isl_give isl_printer *print_pw_multi_aff_c(__isl_take isl_printer *p,
__isl_keep isl_pw_multi_aff *pma)
{
int n;
const char *name;
if (!pma)
goto error;
if (pma->n < 1)
isl_die(p->ctx, isl_error_unsupported,
"cannot print empty isl_pw_multi_aff in C format",
goto error);
name = isl_pw_multi_aff_get_tuple_name(pma, isl_dim_out);
if (!name && isl_pw_multi_aff_dim(pma, isl_dim_out) == 1)
return print_unnamed_pw_multi_aff_c(p, pma);
if (!name)
isl_die(p->ctx, isl_error_unsupported,
"cannot print unnamed isl_pw_multi_aff in C format",
goto error);
p = isl_printer_print_str(p, name);
n = isl_pw_multi_aff_dim(pma, isl_dim_out);
if (n != 0)
isl_die(p->ctx, isl_error_unsupported,
"not supported yet", goto error);
return p;
error:
isl_printer_free(p);
return NULL;
}
__isl_give isl_printer *isl_printer_print_pw_multi_aff(
__isl_take isl_printer *p, __isl_keep isl_pw_multi_aff *pma)
{
if (!p || !pma)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_pw_multi_aff_isl(p, pma);
if (p->output_format == ISL_FORMAT_C)
return print_pw_multi_aff_c(p, pma);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
goto error);
error:
isl_printer_free(p);
return NULL;
}
static int print_pw_multi_aff_body_wrap(__isl_take isl_pw_multi_aff *pma,
void *user)
{
struct isl_union_print_data *data;
data = (struct isl_union_print_data *) user;
if (!data->first)
data->p = isl_printer_print_str(data->p, "; ");
data->first = 0;
data->p = print_pw_multi_aff_body(data->p, pma);
isl_pw_multi_aff_free(pma);
return 0;
}
static __isl_give isl_printer *print_union_pw_multi_aff_isl(
__isl_take isl_printer *p, __isl_keep isl_union_pw_multi_aff *upma)
{
struct isl_union_print_data data = { p, 1 };
struct isl_print_space_data space_data = { 0 };
isl_space *space;
space = isl_union_pw_multi_aff_get_space(upma);
if (isl_space_dim(space, isl_dim_param) > 0) {
p = print_tuple(space, p, isl_dim_param, &space_data);
p = isl_printer_print_str(p, s_to[0]);
}
isl_space_free(space);
p = isl_printer_print_str(p, s_open_set[0]);
isl_union_pw_multi_aff_foreach_pw_multi_aff(upma,
&print_pw_multi_aff_body_wrap, &data);
p = data.p;
p = isl_printer_print_str(p, s_close_set[0]);
return p;
}
__isl_give isl_printer *isl_printer_print_union_pw_multi_aff(
__isl_take isl_printer *p, __isl_keep isl_union_pw_multi_aff *upma)
{
if (!p || !upma)
goto error;
if (p->output_format == ISL_FORMAT_ISL)
return print_union_pw_multi_aff_isl(p, upma);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
goto error);
error:
isl_printer_free(p);
return NULL;
}
/* Print dimension "pos" of data->space to "p".
*
* data->user is assumed to be an isl_multi_pw_aff.
*
* If the current dimension is an output dimension, then print
* the corresponding piecewise affine expression.
* Otherwise, print the name of the dimension.
*/
static __isl_give isl_printer *print_dim_mpa(__isl_take isl_printer *p,
struct isl_print_space_data *data, unsigned pos)
{
int i;
int need_parens;
isl_multi_pw_aff *mpa = data->user;
isl_pw_aff *pa;
if (data->type != isl_dim_out)
return print_name(data->space, p, data->type, pos, data->latex);
pa = mpa->p[pos];
if (pa->n == 0)
return isl_printer_print_str(p, "(0 : 1 = 0)");
need_parens = pa->n != 1 || !isl_set_plain_is_universe(pa->p[0].set);
if (need_parens)
p = isl_printer_print_str(p, "(");
for (i = 0; i < pa->n; ++i) {
if (i)
p = isl_printer_print_str(p, "; ");
p = print_aff_body(p, pa->p[i].aff);
p = print_disjuncts(pa->p[i].set, p, 0);
}
if (need_parens)
p = isl_printer_print_str(p, ")");
return p;
}
/* Print "mpa" to "p" in isl format.
*/
static __isl_give isl_printer *print_multi_pw_aff_isl(__isl_take isl_printer *p,
__isl_keep isl_multi_pw_aff *mpa)
{
struct isl_print_space_data data = { 0 };
if (!mpa)
return isl_printer_free(p);
if (isl_space_dim(mpa->space, isl_dim_param) > 0) {
p = print_tuple(mpa->space, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
data.print_dim = &print_dim_mpa;
data.user = mpa;
p = print_space(mpa->space, p, 0, &data);
p = isl_printer_print_str(p, " }");
return p;
}
__isl_give isl_printer *isl_printer_print_multi_pw_aff(
__isl_take isl_printer *p, __isl_keep isl_multi_pw_aff *mpa)
{
if (!p || !mpa)
return isl_printer_free(p);
if (p->output_format == ISL_FORMAT_ISL)
return print_multi_pw_aff_isl(p, mpa);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
return isl_printer_free(p));
}
/* Print dimension "pos" of data->space to "p".
*
* data->user is assumed to be an isl_multi_val.
*
* If the current dimension is an output dimension, then print
* the corresponding value. Otherwise, print the name of the dimension.
*/
static __isl_give isl_printer *print_dim_mv(__isl_take isl_printer *p,
struct isl_print_space_data *data, unsigned pos)
{
isl_multi_val *mv = data->user;
if (data->type == isl_dim_out)
return isl_printer_print_val(p, mv->p[pos]);
else
return print_name(data->space, p, data->type, pos, data->latex);
}
/* Print the isl_multi_val "mv" to "p" in isl format.
*/
static __isl_give isl_printer *print_multi_val_isl(__isl_take isl_printer *p,
__isl_keep isl_multi_val *mv)
{
struct isl_print_space_data data = { 0 };
if (!mv)
return isl_printer_free(p);
if (isl_space_dim(mv->space, isl_dim_param) > 0) {
p = print_tuple(mv->space, p, isl_dim_param, &data);
p = isl_printer_print_str(p, " -> ");
}
p = isl_printer_print_str(p, "{ ");
data.print_dim = &print_dim_mv;
data.user = mv;
p = print_space(mv->space, p, 0, &data);
p = isl_printer_print_str(p, " }");
return p;
}
/* Print the isl_multi_val "mv" to "p".
*
* Currently only supported in isl format.
*/
__isl_give isl_printer *isl_printer_print_multi_val(
__isl_take isl_printer *p, __isl_keep isl_multi_val *mv)
{
if (!p || !mv)
return isl_printer_free(p);
if (p->output_format == ISL_FORMAT_ISL)
return print_multi_val_isl(p, mv);
isl_die(p->ctx, isl_error_unsupported, "unsupported output format",
return isl_printer_free(p));
}