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-rw-r--r--polly/lib/External/isl/isl_output.c2698
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diff --git a/polly/lib/External/isl/isl_output.c b/polly/lib/External/isl/isl_output.c
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--- /dev/null
+++ b/polly/lib/External/isl/isl_output.c
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+/*
+ * 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));
+}
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