/*
* Copyright 2008-2009 Katholieke Universiteit Leuven
*
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * 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
#include <limits.h>
#include <isl_ctx_private.h>
#include <isl_map_private.h>
-#include <isl/aff.h>
+#include <isl_aff_private.h>
#include <isl/set.h>
#include <isl/flow.h>
#include <isl/constraint.h>
#include <isl_options_private.h>
#include <isl/vertices.h>
+#define ARRAY_SIZE(array) (sizeof(array)/sizeof(*array))
+
static char *srcdir;
static char *get_filename(isl_ctx *ctx, const char *name, const char *suffix) {
"{ [a] -> [b] : true }") < 0)
return -1;
+ if (test_parse_map_equal(ctx, "{ [i] : i/2 <= 5 }",
+ "{ [i] : i <= 10 }") < 0)
+ return -1;
+
return 0;
}
isl_map_free(map2);
}
-void test_div(struct isl_ctx *ctx)
+static int test_div(isl_ctx *ctx)
{
+ unsigned n;
+ const char *str;
+ int empty;
isl_int v;
isl_space *dim;
+ isl_set *set;
isl_local_space *ls;
struct isl_basic_set *bset;
struct isl_constraint *c;
isl_basic_set_free(bset);
isl_int_clear(v);
+
+ str = "{ [i] : exists (e0, e1: 3e1 >= 1 + 2e0 and "
+ "8e1 <= -1 + 5i - 5e0 and 2e1 >= 1 + 2i - 5e0) }";
+ set = isl_set_read_from_str(ctx, str);
+ set = isl_set_compute_divs(set);
+ isl_set_free(set);
+ if (!set)
+ return -1;
+
+ str = "{ [i,j] : 2*[i/2] + 3 * [j/4] <= 10 and 2 i = j }";
+ bset = isl_basic_set_read_from_str(ctx, str);
+ n = isl_basic_set_dim(bset, isl_dim_div);
+ isl_basic_set_free(bset);
+ if (!bset)
+ return -1;
+ if (n != 0)
+ isl_die(ctx, isl_error_unknown,
+ "expecting no existentials", return -1);
+
+ str = "{ [i,j,k] : 3 + i + 2j >= 0 and 2 * [(i+2j)/4] <= k }";
+ set = isl_set_read_from_str(ctx, str);
+ set = isl_set_remove_divs_involving_dims(set, isl_dim_set, 0, 2);
+ set = isl_set_fix_si(set, isl_dim_set, 2, -3);
+ empty = isl_set_is_empty(set);
+ isl_set_free(set);
+ if (empty < 0)
+ return -1;
+ if (!empty)
+ isl_die(ctx, isl_error_unknown,
+ "result not as accurate as expected", return -1);
+
+ return 0;
}
void test_application_case(struct isl_ctx *ctx, const char *name)
return 0;
}
+int test_coalesce_unbounded_wrapping(isl_ctx *ctx)
+{
+ int r = 0;
+ int bounded;
+
+ bounded = isl_options_get_coalesce_bounded_wrapping(ctx);
+ isl_options_set_coalesce_bounded_wrapping(ctx, 0);
+
+ if (test_coalesce_set(ctx,
+ "{[x,y,z] : y + 2 >= 0 and x - y + 1 >= 0 and "
+ "-x - y + 1 >= 0 and -3 <= z <= 3;"
+ "[x,y,z] : -x+z + 20 >= 0 and -x-z + 20 >= 0 and "
+ "x-z + 20 >= 0 and x+z + 20 >= 0 and "
+ "-10 <= y <= 0}", 1) < 0)
+ goto error;
+ if (test_coalesce_set(ctx,
+ "{[x,y] : 0 <= x,y <= 10; [5,y]: 4 <=y <= 11}", 1) < 0)
+ goto error;
+ if (test_coalesce_set(ctx,
+ "{[x,0,0] : -5 <= x <= 5; [0,y,1] : -5 <= y <= 5 }", 1) < 0)
+ goto error;
+
+ if (0) {
+error:
+ r = -1;
+ }
+
+ isl_options_set_coalesce_bounded_wrapping(ctx, bounded);
+
+ return r;
+}
+
int test_coalesce(struct isl_ctx *ctx)
{
const char *str;
test_coalesce_set(ctx,
"{ [x, y] : (x >= 0 and y >= 0 and x <= 10 and y <= 10) or "
"(x >= 1 and y >= 1 and x <= 11 and y <= 11) }", 1);
- test_coalesce_set(ctx,
- "{[x,y,z] : y + 2 >= 0 and x - y + 1 >= 0 and "
- "-x - y + 1 >= 0 and -3 <= z <= 3;"
- "[x,y,z] : -x+z + 20 >= 0 and -x-z + 20 >= 0 and "
- "x-z + 20 >= 0 and x+z + 20 >= 0 and -10 <= y <= 0}", 1);
- if (test_coalesce_set(ctx,
- "{[x,y] : 0 <= x,y <= 10; [5,y]: 4 <=y <= 11}", 1) < 0)
+ if (test_coalesce_unbounded_wrapping(ctx) < 0)
return -1;
if (test_coalesce_set(ctx, "{[x,0] : x >= 0; [x,1] : x <= 20}", 0) < 0)
return -1;
- if (test_coalesce_set(ctx,
- "{[x,0,0] : -5 <= x <= 5; [0,y,1] : -5 <= y <= 5 }", 1) < 0)
- return -1;
if (test_coalesce_set(ctx, "{ [x, 1 - x] : 0 <= x <= 1; [0,0] }", 1) < 0)
return -1;
if (test_coalesce_set(ctx, "{ [0,0]; [i,i] : 1 <= i <= 10 }", 1) < 0)
"j >= 1 and j' <= i + j - i' and i >= 1; "
"[1, 1, 1, 1] }", 0) < 0)
return -1;
+ if (test_coalesce_set(ctx, "{ [i,j] : exists a,b : i = 2a and j = 3b; "
+ "[i,j] : exists a : j = 3a }", 1) < 0)
+ return -1;
return 0;
}
isl_basic_set_free(bset);
}
-void test_subset(isl_ctx *ctx)
+struct {
+ const char *set1;
+ const char *set2;
+ int subset;
+} subset_tests[] = {
+ { "{ [112, 0] }",
+ "{ [i0, i1] : exists (e0 = [(i0 - i1)/16], e1: "
+ "16e0 <= i0 - i1 and 16e0 >= -15 + i0 - i1 and "
+ "16e1 <= i1 and 16e0 >= -i1 and 16e1 >= -i0 + i1) }", 1 },
+ { "{ [65] }",
+ "{ [i] : exists (e0 = [(255i)/256], e1 = [(127i + 65e0)/191], "
+ "e2 = [(3i + 61e1)/65], e3 = [(52i + 12e2)/61], "
+ "e4 = [(2i + e3)/3], e5 = [(4i + e3)/4], e6 = [(8i + e3)/12]: "
+ "3e4 = 2i + e3 and 4e5 = 4i + e3 and 12e6 = 8i + e3 and "
+ "i <= 255 and 64e3 >= -45 + 67i and i >= 0 and "
+ "256e0 <= 255i and 256e0 >= -255 + 255i and "
+ "191e1 <= 127i + 65e0 and 191e1 >= -190 + 127i + 65e0 and "
+ "65e2 <= 3i + 61e1 and 65e2 >= -64 + 3i + 61e1 and "
+ "61e3 <= 52i + 12e2 and 61e3 >= -60 + 52i + 12e2) }", 1 },
+};
+
+static int test_subset(isl_ctx *ctx)
{
- const char *str;
+ int i;
isl_set *set1, *set2;
+ int subset;
+
+ for (i = 0; i < ARRAY_SIZE(subset_tests); ++i) {
+ set1 = isl_set_read_from_str(ctx, subset_tests[i].set1);
+ set2 = isl_set_read_from_str(ctx, subset_tests[i].set2);
+ subset = isl_set_is_subset(set1, set2);
+ isl_set_free(set1);
+ isl_set_free(set2);
+ if (subset < 0)
+ return -1;
+ if (subset != subset_tests[i].subset)
+ isl_die(ctx, isl_error_unknown,
+ "incorrect subset result", return -1);
+ }
- str = "{ [112, 0] }";
- set1 = isl_set_read_from_str(ctx, str);
- str = "{ [i0, i1] : exists (e0 = [(i0 - i1)/16], e1: "
- "16e0 <= i0 - i1 and 16e0 >= -15 + i0 - i1 and "
- "16e1 <= i1 and 16e0 >= -i1 and 16e1 >= -i0 + i1) }";
- set2 = isl_set_read_from_str(ctx, str);
- assert(isl_set_is_subset(set1, set2));
- isl_set_free(set1);
- isl_set_free(set2);
+ return 0;
+}
+
+struct {
+ const char *minuend;
+ const char *subtrahend;
+ const char *difference;
+} subtract_domain_tests[] = {
+ { "{ A[i] -> B[i] }", "{ A[i] }", "{ }" },
+ { "{ A[i] -> B[i] }", "{ B[i] }", "{ A[i] -> B[i] }" },
+ { "{ A[i] -> B[i] }", "{ A[i] : i > 0 }", "{ A[i] -> B[i] : i <= 0 }" },
+};
+
+static int test_subtract(isl_ctx *ctx)
+{
+ int i;
+ isl_union_map *umap1, *umap2;
+ isl_union_set *uset;
+ int equal;
+
+ for (i = 0; i < ARRAY_SIZE(subtract_domain_tests); ++i) {
+ umap1 = isl_union_map_read_from_str(ctx,
+ subtract_domain_tests[i].minuend);
+ uset = isl_union_set_read_from_str(ctx,
+ subtract_domain_tests[i].subtrahend);
+ umap2 = isl_union_map_read_from_str(ctx,
+ subtract_domain_tests[i].difference);
+ umap1 = isl_union_map_subtract_domain(umap1, uset);
+ equal = isl_union_map_is_equal(umap1, umap2);
+ isl_union_map_free(umap1);
+ isl_union_map_free(umap2);
+ if (equal < 0)
+ return -1;
+ if (!equal)
+ isl_die(ctx, isl_error_unknown,
+ "incorrect subtract domain result", return -1);
+ }
+
+ return 0;
}
-void test_factorize(isl_ctx *ctx)
+int test_factorize(isl_ctx *ctx)
{
const char *str;
isl_basic_set *bset;
"3i5 >= -2i0 - i2 + 3i4 }";
bset = isl_basic_set_read_from_str(ctx, str);
f = isl_basic_set_factorizer(bset);
- assert(f);
isl_basic_set_free(bset);
isl_factorizer_free(f);
+ if (!f)
+ isl_die(ctx, isl_error_unknown,
+ "failed to construct factorizer", return -1);
str = "{ [i0, i1, i2, i3, i4, i5, i6, i7, i8, i9, i10, i11, i12] : "
"i12 <= 2 + i0 - i11 and 2i8 >= -i4 and i11 >= i1 and "
"9i6 <= 5 - i2 + 6i3 and i12 <= -1 and i2 <= 0 }";
bset = isl_basic_set_read_from_str(ctx, str);
f = isl_basic_set_factorizer(bset);
- assert(f);
isl_basic_set_free(bset);
isl_factorizer_free(f);
+ if (!f)
+ isl_die(ctx, isl_error_unknown,
+ "failed to construct factorizer", return -1);
+
+ return 0;
}
static int check_injective(__isl_take isl_map *map, void *user)
return 0;
}
+static int aff_plain_is_equal(__isl_keep isl_aff *aff, const char *str)
+{
+ isl_aff *aff2;
+ int equal;
+
+ if (!aff)
+ return -1;
+
+ aff2 = isl_aff_read_from_str(isl_aff_get_ctx(aff), str);
+ equal = isl_aff_plain_is_equal(aff, aff2);
+ isl_aff_free(aff2);
+
+ return equal;
+}
+
+static int aff_check_plain_equal(__isl_keep isl_aff *aff, const char *str)
+{
+ int equal;
+
+ equal = aff_plain_is_equal(aff, str);
+ if (equal < 0)
+ return -1;
+ if (!equal)
+ isl_die(isl_aff_get_ctx(aff), isl_error_unknown,
+ "result not as expected", return -1);
+ return 0;
+}
+
int test_aff(isl_ctx *ctx)
{
const char *str;
isl_set *set;
- isl_space *dim;
+ isl_space *space;
isl_local_space *ls;
isl_aff *aff;
- int zero;
+ int zero, equal;
- dim = isl_space_set_alloc(ctx, 0, 1);
- ls = isl_local_space_from_space(dim);
+ space = isl_space_set_alloc(ctx, 0, 1);
+ ls = isl_local_space_from_space(space);
aff = isl_aff_zero_on_domain(ls);
aff = isl_aff_add_coefficient_si(aff, isl_dim_in, 0, 1);
if (!zero)
isl_die(ctx, isl_error_unknown, "unexpected result", return -1);
+ aff = isl_aff_read_from_str(ctx, "{ [-1] }");
+ aff = isl_aff_scale_down_ui(aff, 64);
+ aff = isl_aff_floor(aff);
+ equal = aff_check_plain_equal(aff, "{ [-1] }");
+ isl_aff_free(aff);
+ if (equal < 0)
+ return -1;
+
return 0;
}
return 0;
}
+int test_slice(isl_ctx *ctx)
+{
+ const char *str;
+ isl_map *map;
+ int equal;
+
+ str = "{ [i] -> [j] }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_equate(map, isl_dim_in, 0, isl_dim_out, 0);
+ equal = map_check_equal(map, "{ [i] -> [i] }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ str = "{ [i] -> [j] }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_equate(map, isl_dim_in, 0, isl_dim_in, 0);
+ equal = map_check_equal(map, "{ [i] -> [j] }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ str = "{ [i] -> [j] }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_oppose(map, isl_dim_in, 0, isl_dim_out, 0);
+ equal = map_check_equal(map, "{ [i] -> [-i] }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ str = "{ [i] -> [j] }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_oppose(map, isl_dim_in, 0, isl_dim_in, 0);
+ equal = map_check_equal(map, "{ [0] -> [j] }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ str = "{ [i] -> [j] }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_order_gt(map, isl_dim_in, 0, isl_dim_out, 0);
+ equal = map_check_equal(map, "{ [i] -> [j] : i > j }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ str = "{ [i] -> [j] }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_order_gt(map, isl_dim_in, 0, isl_dim_in, 0);
+ equal = map_check_equal(map, "{ [i] -> [j] : false }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ return 0;
+}
+
+int test_eliminate(isl_ctx *ctx)
+{
+ const char *str;
+ isl_map *map;
+ int equal;
+
+ str = "{ [i] -> [j] : i = 2j }";
+ map = isl_map_read_from_str(ctx, str);
+ map = isl_map_eliminate(map, isl_dim_out, 0, 1);
+ equal = map_check_equal(map, "{ [i] -> [j] : exists a : i = 2a }");
+ isl_map_free(map);
+ if (equal < 0)
+ return -1;
+
+ return 0;
+}
+
+/* Check that isl_set_dim_residue_class detects that the values of j
+ * in the set below are all odd and that it does not detect any spurious
+ * strides.
+ */
+static int test_residue_class(isl_ctx *ctx)
+{
+ const char *str;
+ isl_set *set;
+ isl_int m, r;
+ int res;
+
+ str = "{ [i,j] : j = 4 i + 1 and 0 <= i <= 100; "
+ "[i,j] : j = 4 i + 3 and 500 <= i <= 600 }";
+ set = isl_set_read_from_str(ctx, str);
+ isl_int_init(m);
+ isl_int_init(r);
+ res = isl_set_dim_residue_class(set, 1, &m, &r);
+ if (res >= 0 &&
+ (isl_int_cmp_si(m, 2) != 0 || isl_int_cmp_si(r, 1) != 0))
+ isl_die(ctx, isl_error_unknown, "incorrect residue class",
+ res = -1);
+ isl_int_clear(r);
+ isl_int_clear(m);
+ isl_set_free(set);
+
+ return res;
+}
+
+int test_align_parameters(isl_ctx *ctx)
+{
+ const char *str;
+ isl_space *space;
+ isl_multi_aff *ma1, *ma2;
+ int equal;
+
+ str = "{ A[B[] -> C[]] -> D[E[] -> F[]] }";
+ ma1 = isl_multi_aff_read_from_str(ctx, str);
+
+ space = isl_space_params_alloc(ctx, 1);
+ space = isl_space_set_dim_name(space, isl_dim_param, 0, "N");
+ ma1 = isl_multi_aff_align_params(ma1, space);
+
+ str = "[N] -> { A[B[] -> C[]] -> D[E[] -> F[]] }";
+ ma2 = isl_multi_aff_read_from_str(ctx, str);
+
+ equal = isl_multi_aff_plain_is_equal(ma1, ma2);
+
+ isl_multi_aff_free(ma1);
+ isl_multi_aff_free(ma2);
+
+ if (equal < 0)
+ return -1;
+ if (!equal)
+ isl_die(ctx, isl_error_unknown,
+ "result not as expected", return -1);
+
+ return 0;
+}
+
+static int test_list(isl_ctx *ctx)
+{
+ isl_id *a, *b, *c, *d, *id;
+ isl_id_list *list;
+ int ok;
+
+ a = isl_id_alloc(ctx, "a", NULL);
+ b = isl_id_alloc(ctx, "b", NULL);
+ c = isl_id_alloc(ctx, "c", NULL);
+ d = isl_id_alloc(ctx, "d", NULL);
+
+ list = isl_id_list_alloc(ctx, 4);
+ list = isl_id_list_add(list, a);
+ list = isl_id_list_add(list, b);
+ list = isl_id_list_add(list, c);
+ list = isl_id_list_add(list, d);
+ list = isl_id_list_drop(list, 1, 1);
+
+ if (isl_id_list_n_id(list) != 3) {
+ isl_id_list_free(list);
+ isl_die(ctx, isl_error_unknown,
+ "unexpected number of elements in list", return -1);
+ }
+
+ id = isl_id_list_get_id(list, 0);
+ ok = id == a;
+ isl_id_free(id);
+ id = isl_id_list_get_id(list, 1);
+ ok = ok && id == c;
+ isl_id_free(id);
+ id = isl_id_list_get_id(list, 2);
+ ok = ok && id == d;
+ isl_id_free(id);
+
+ isl_id_list_free(list);
+
+ if (!ok)
+ isl_die(ctx, isl_error_unknown,
+ "unexpected elements in list", return -1);
+
+ return 0;
+}
+
+struct {
+ const char *name;
+ int (*fn)(isl_ctx *ctx);
+} tests [] = {
+ { "list", &test_list },
+ { "align parameters", &test_align_parameters },
+ { "eliminate", &test_eliminate },
+ { "reisdue class", &test_residue_class },
+ { "div", &test_div },
+ { "slice", &test_slice },
+ { "fixed power", &test_fixed_power },
+ { "sample", &test_sample },
+ { "output", &test_output },
+ { "vertices", &test_vertices },
+ { "fixed", &test_fixed },
+ { "equal", &test_equal },
+ { "product", &test_product },
+ { "dim_max", &test_dim_max },
+ { "affine", &test_aff },
+ { "injective", &test_injective },
+ { "schedule", &test_schedule },
+ { "union_pw", &test_union_pw },
+ { "parse", &test_parse },
+ { "single-valued", &test_sv },
+ { "affine hull", &test_affine_hull },
+ { "coalesce", &test_coalesce },
+ { "factorize", &test_factorize },
+ { "subset", &test_subset },
+ { "subtract", &test_subtract },
+};
+
int main()
{
+ int i;
struct isl_ctx *ctx;
srcdir = getenv("srcdir");
assert(srcdir);
ctx = isl_ctx_alloc();
- if (test_fixed_power(ctx) < 0)
- goto error;
- if (test_sample(ctx) < 0)
- goto error;
- if (test_output(ctx) < 0)
- goto error;
- if (test_vertices(ctx) < 0)
- goto error;
- if (test_fixed(ctx) < 0)
- goto error;
- if (test_equal(ctx) < 0)
- goto error;
- if (test_product(ctx) < 0)
- goto error;
- if (test_dim_max(ctx) < 0)
- goto error;
- if (test_aff(ctx) < 0)
- goto error;
- if (test_injective(ctx) < 0)
- goto error;
- if (test_schedule(ctx) < 0)
- goto error;
- if (test_union_pw(ctx) < 0)
- goto error;
- test_factorize(ctx);
- test_subset(ctx);
+ for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+ printf("%s\n", tests[i].name);
+ if (tests[i].fn(ctx) < 0)
+ goto error;
+ }
test_lift(ctx);
test_bound(ctx);
test_union(ctx);
test_split_periods(ctx);
- if (test_parse(ctx) < 0)
- goto error;
test_pwqp(ctx);
test_lex(ctx);
- if (test_sv(ctx) < 0)
- goto error;
test_bijective(ctx);
test_dep(ctx);
test_read(ctx);
test_bounded(ctx);
test_construction(ctx);
test_dim(ctx);
- test_div(ctx);
test_application(ctx);
- if (test_affine_hull(ctx) < 0)
- goto error;
test_convex_hull(ctx);
test_gist(ctx);
- if (test_coalesce(ctx) < 0)
- goto error;
test_closure(ctx);
test_lexmin(ctx);
isl_ctx_free(ctx);