/*
* Copyright 2008-2009 Katholieke Universiteit Leuven
+ * Copyright 2010 INRIA Saclay
*
* Use of this software is governed by the GNU LGPLv2.1 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
*/
#include <stdlib.h>
#include <isl_dim_private.h>
#include "isl_name.h"
+isl_ctx *isl_dim_get_ctx(__isl_keep isl_dim *dim)
+{
+ return dim ? dim->ctx : NULL;
+}
+
struct isl_dim *isl_dim_alloc(struct isl_ctx *ctx,
unsigned nparam, unsigned n_in, unsigned n_out)
{
dim->tuple_name[0] = NULL;
dim->tuple_name[1] = NULL;
+ dim->nested[0] = NULL;
+ dim->nested[1] = NULL;
+
dim->n_name = 0;
dim->names = NULL;
goto error;
pos = global_pos(dim, type, pos);
- isl_assert(ctx, pos != isl_dim_total(dim), goto error);
+ if (pos == isl_dim_total(dim))
+ goto error;
if (pos >= dim->n_name) {
if (!name)
if (dim->tuple_name[1] &&
!(dup->tuple_name[1] = isl_name_copy(dim->ctx, dim->tuple_name[1])))
goto error;
+ if (dim->nested[0] && !(dup->nested[0] = isl_dim_copy(dim->nested[0])))
+ goto error;
+ if (dim->nested[1] && !(dup->nested[1] = isl_dim_copy(dim->nested[1])))
+ goto error;
if (!dim->names)
return dup;
dup = copy_names(dup, isl_dim_param, 0, dim, isl_dim_param);
isl_name_free(dim->ctx, dim->tuple_name[0]);
isl_name_free(dim->ctx, dim->tuple_name[1]);
+ isl_dim_free(dim->nested[0]);
+ isl_dim_free(dim->nested[1]);
+
for (i = 0; i < dim->n_name; ++i)
isl_name_free(dim->ctx, dim->names[i]);
free(dim->names);
return NULL;
}
+static __isl_keep isl_dim *nested(__isl_keep isl_dim *dim,
+ enum isl_dim_type type)
+{
+ if (!dim)
+ return NULL;
+ if (type == isl_dim_in)
+ return dim->nested[0];
+ if (type == isl_dim_out)
+ return dim->nested[1];
+ return NULL;
+}
+
int isl_dim_tuple_match(__isl_keep isl_dim *dim1, enum isl_dim_type dim1_type,
__isl_keep isl_dim *dim2, enum isl_dim_type dim2_type)
{
struct isl_name *name1, *name2;
+ isl_dim *nested1, *nested2;
if (n(dim1, dim1_type) != n(dim2, dim2_type))
return 0;
return 0;
if (name1 && name1->name != name2->name)
return 0;
+ nested1 = nested(dim1, dim1_type);
+ nested2 = nested(dim2, dim2_type);
+ if (!nested1 ^ !nested2)
+ return 0;
+ if (nested1 && !isl_dim_equal(nested1, nested2))
+ return 0;
return 1;
}
{
if (!dim)
return NULL;
- if ((type == isl_dim_in || type == isl_dim_out) &&
- dim->tuple_name[type - isl_dim_in]) {
- dim = isl_dim_cow(dim);
- if (!dim)
- return NULL;
- isl_name_free(dim->ctx, dim->tuple_name[type - isl_dim_in]);
- dim->tuple_name[type - isl_dim_in] = NULL;
- }
+ dim = isl_dim_reset(dim, type);
switch (type) {
case isl_dim_param:
- return isl_dim_extend(dim,
+ dim = isl_dim_extend(dim,
dim->nparam + n, dim->n_in, dim->n_out);
+ if (dim && dim->nested[0] &&
+ !(dim->nested[0] = isl_dim_add(dim->nested[0],
+ isl_dim_param, n)))
+ goto error;
+ if (dim && dim->nested[1] &&
+ !(dim->nested[1] = isl_dim_add(dim->nested[1],
+ isl_dim_param, n)))
+ goto error;
+ return dim;
case isl_dim_in:
return isl_dim_extend(dim,
dim->nparam, dim->n_in + n, dim->n_out);
dim->nparam, dim->n_in, dim->n_out + n);
}
return dim;
+error:
+ isl_dim_free(dim);
+ return NULL;
}
__isl_give isl_dim *isl_dim_insert(__isl_take isl_dim *dim,
if (!dim)
return NULL;
- if (n == 0 && !isl_dim_get_tuple_name(dim, type))
- return dim;
+ if (n == 0)
+ return isl_dim_reset(dim, type);
isl_assert(dim->ctx, pos <= isl_dim_size(dim, type), goto error);
if (dim->names) {
enum isl_dim_type t;
int off;
- int size[3];
+ int s[3];
+ int *size = s - isl_dim_param;
names = isl_calloc_array(dim->ctx, struct isl_name *,
dim->nparam + dim->n_in + dim->n_out + n);
if (!names)
case isl_dim_in: dim->n_in += n; break;
case isl_dim_out: dim->n_out += n; break;
}
- if (type == isl_dim_in || type == isl_dim_out) {
- isl_name_free(dim->ctx, dim->tuple_name[type - isl_dim_in]);
- dim->tuple_name[type - isl_dim_in] = NULL;
- }
+ dim = isl_dim_reset(dim, type);
return dim;
error:
isl_assert(dim->ctx, dst_type != src_type, goto error);
+ dim = isl_dim_reset(dim, src_type);
+ dim = isl_dim_reset(dim, dst_type);
+
dim = isl_dim_cow(dim);
if (!dim)
return NULL;
struct isl_name **names;
enum isl_dim_type t;
int off;
- int size[3];
+ int s[3];
+ int *size = s - isl_dim_param;
names = isl_calloc_array(dim->ctx, struct isl_name *,
dim->nparam + dim->n_in + dim->n_out);
if (!names)
if (dim && right->tuple_name[1] &&
!(dim->tuple_name[1] = isl_name_copy(dim->ctx, right->tuple_name[1])))
goto error;
+ if (dim && left->nested[0] &&
+ !(dim->nested[0] = isl_dim_copy(left->nested[0])))
+ goto error;
+ if (dim && right->nested[1] &&
+ !(dim->nested[1] = isl_dim_copy(right->nested[1])))
+ goto error;
isl_dim_free(left);
isl_dim_free(right);
struct isl_dim *isl_dim_product(struct isl_dim *left, struct isl_dim *right)
{
- struct isl_dim *dim;
+ isl_dim *dom1, *dom2, *nest1, *nest2;
if (!left || !right)
goto error;
isl_assert(left->ctx, match(left, isl_dim_param, right, isl_dim_param),
goto error);
- dim = isl_dim_alloc(left->ctx, left->nparam,
- left->n_in + right->n_in, left->n_out + right->n_out);
- if (!dim)
- goto error;
+ dom1 = isl_dim_domain(isl_dim_copy(left));
+ dom2 = isl_dim_domain(isl_dim_copy(right));
+ nest1 = isl_dim_wrap(isl_dim_join(isl_dim_reverse(dom1), dom2));
- dim = copy_names(dim, isl_dim_param, 0, left, isl_dim_param);
- dim = copy_names(dim, isl_dim_in, 0, left, isl_dim_in);
- dim = copy_names(dim, isl_dim_in, left->n_in, right, isl_dim_in);
- dim = copy_names(dim, isl_dim_out, 0, left, isl_dim_out);
- dim = copy_names(dim, isl_dim_out, left->n_out, right, isl_dim_out);
+ dom1 = isl_dim_range(left);
+ dom2 = isl_dim_range(right);
+ nest2 = isl_dim_wrap(isl_dim_join(isl_dim_reverse(dom1), dom2));
- isl_dim_free(left);
- isl_dim_free(right);
-
- return dim;
+ return isl_dim_join(isl_dim_reverse(nest1), nest2);
error:
isl_dim_free(left);
isl_dim_free(right);
if (!dim)
return NULL;
isl_assert(dim->ctx, dim->n_in == 0, goto error);
- if (dim->n_out == 0 && !dim->tuple_name[1])
+ if (dim->n_out == 0 && !isl_dim_is_named_or_nested(dim, isl_dim_out))
return dim;
dim = isl_dim_cow(dim);
if (!dim)
}
isl_name_free(dim->ctx, dim->tuple_name[0]);
dim->tuple_name[0] = isl_name_copy(dim->ctx, dim->tuple_name[1]);
+ isl_dim_free(dim->nested[0]);
+ dim->nested[0] = isl_dim_copy(dim->nested[1]);
return dim;
error:
isl_dim_free(dim);
struct isl_dim *isl_dim_reverse(struct isl_dim *dim)
{
unsigned t;
+ isl_dim *nested;
struct isl_name **names = NULL;
struct isl_name *name;
dim->tuple_name[0] = dim->tuple_name[1];
dim->tuple_name[1] = name;
+ nested = dim->nested[0];
+ dim->nested[0] = dim->nested[1];
+ dim->nested[1] = nested;
+
if (dim->names) {
names = isl_alloc_array(dim->ctx, struct isl_name *,
dim->n_in + dim->n_out);
return NULL;
if (n == 0)
- return dim;
+ return isl_dim_reset(dim, type);
isl_assert(dim->ctx, first + num <= n(dim, type), goto error);
dim = isl_dim_cow(dim);
case isl_dim_in: dim->n_in -= num; break;
case isl_dim_out: dim->n_out -= num; break;
}
- if (type == isl_dim_in || type == isl_dim_out) {
- isl_name_free(dim->ctx, dim->tuple_name[type - isl_dim_in]);
- dim->tuple_name[type - isl_dim_in] = NULL;
+ dim = isl_dim_reset(dim, type);
+ if (type == isl_dim_param) {
+ if (dim && dim->nested[0] &&
+ !(dim->nested[0] = isl_dim_drop(dim->nested[0],
+ isl_dim_param, first, num)))
+ goto error;
+ if (dim && dim->nested[1] &&
+ !(dim->nested[1] = isl_dim_drop(dim->nested[1],
+ isl_dim_param, first, num)))
+ goto error;
}
return dim;
error:
return isl_dim_reverse(dim);
}
+__isl_give isl_dim *isl_dim_from_domain(__isl_take isl_dim *dim)
+{
+ return isl_dim_reverse(dim);
+}
+
struct isl_dim *isl_dim_range(struct isl_dim *dim)
{
if (!dim)
return isl_dim_drop_inputs(dim, 0, dim->n_in);
}
+__isl_give isl_dim *isl_dim_from_range(__isl_take isl_dim *dim)
+{
+ return dim;
+}
+
__isl_give isl_dim *isl_dim_as_set_dim(__isl_take isl_dim *dim)
{
dim = isl_dim_cow(dim);
dim->n_out += dim->n_in;
dim->n_in = 0;
- isl_name_free(dim->ctx, dim->tuple_name[0]);
- isl_name_free(dim->ctx, dim->tuple_name[1]);
- dim->tuple_name[0] = NULL;
- dim->tuple_name[1] = NULL;
+ dim = isl_dim_reset(dim, isl_dim_in);
+ dim = isl_dim_reset(dim, isl_dim_out);
return dim;
}
if (!dim)
return NULL;
if (n_div == 0 &&
- dim->nparam == 0 && dim->n_in == 0 && dim->n_name == 0 &&
- !dim->tuple_name[1])
- return dim;
+ dim->nparam == 0 && dim->n_in == 0 && dim->n_name == 0)
+ return isl_dim_reset(isl_dim_reset(dim, isl_dim_in), isl_dim_out);
dim = isl_dim_cow(dim);
if (!dim)
return NULL;
for (i = 0; i < dim->n_name; ++i)
isl_name_free(dim->ctx, get_name(dim, isl_dim_out, i));
dim->n_name = 0;
- isl_name_free(dim->ctx, dim->tuple_name[0]);
- isl_name_free(dim->ctx, dim->tuple_name[1]);
- dim->tuple_name[0] = NULL;
- dim->tuple_name[1] = NULL;
+ dim = isl_dim_reset(dim, isl_dim_in);
+ dim = isl_dim_reset(dim, isl_dim_out);
return dim;
}
unsigned isl_dim_total(struct isl_dim *dim)
{
- return dim->nparam + dim->n_in + dim->n_out;
+ return dim ? dim->nparam + dim->n_in + dim->n_out : 0;
}
int isl_dim_equal(struct isl_dim *dim1, struct isl_dim *dim2)
dim1->n_in + dim1->n_out == dim2->n_in + dim2->n_out;
}
-uint32_t isl_dim_get_hash(__isl_keep isl_dim *dim)
+static uint32_t isl_hash_dim(uint32_t hash, __isl_keep isl_dim *dim)
{
int i;
- uint32_t hash;
struct isl_name *name;
if (!dim)
- return 0;
- hash = isl_hash_init();
+ return hash;
hash = isl_hash_builtin(hash, dim->nparam);
hash = isl_hash_builtin(hash, dim->n_in);
name = tuple_name(dim, isl_dim_out);
hash = isl_hash_builtin(hash, name);
+ hash = isl_hash_dim(hash, dim->nested[0]);
+ hash = isl_hash_dim(hash, dim->nested[1]);
+
+ return hash;
+}
+
+uint32_t isl_dim_get_hash(__isl_keep isl_dim *dim)
+{
+ uint32_t hash;
+
+ if (!dim)
+ return 0;
+
+ hash = isl_hash_init();
+ hash = isl_hash_dim(hash, dim);
+
return hash;
}
+
+int isl_dim_is_wrapping(__isl_keep isl_dim *dim)
+{
+ if (!dim)
+ return -1;
+
+ if (dim->n_in != 0 || dim->tuple_name[0] || dim->nested[0])
+ return 0;
+
+ return dim->nested[1] != NULL;
+}
+
+__isl_give isl_dim *isl_dim_wrap(__isl_take isl_dim *dim)
+{
+ isl_dim *wrap;
+
+ if (!dim)
+ return NULL;
+
+ wrap = isl_dim_alloc(dim->ctx, dim->nparam, 0, dim->n_in + dim->n_out);
+
+ wrap = copy_names(wrap, isl_dim_param, 0, dim, isl_dim_param);
+ wrap = copy_names(wrap, isl_dim_set, 0, dim, isl_dim_in);
+ wrap = copy_names(wrap, isl_dim_set, dim->n_in, dim, isl_dim_out);
+
+ if (!wrap)
+ goto error;
+
+ wrap->nested[1] = dim;
+
+ return wrap;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+__isl_give isl_dim *isl_dim_unwrap(__isl_take isl_dim *dim)
+{
+ isl_dim *unwrap;
+
+ if (!dim)
+ return NULL;
+
+ if (!isl_dim_is_wrapping(dim))
+ isl_die(dim->ctx, isl_error_invalid, "not a wrapping dim",
+ goto error);
+
+ unwrap = isl_dim_copy(dim->nested[1]);
+ isl_dim_free(dim);
+
+ return unwrap;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+int isl_dim_is_named_or_nested(__isl_keep isl_dim *dim, enum isl_dim_type type)
+{
+ if (type != isl_dim_in && type != isl_dim_out)
+ return 0;
+ if (!dim)
+ return -1;
+ if (dim->tuple_name[type - isl_dim_in])
+ return 1;
+ if (dim->nested[type - isl_dim_in])
+ return 1;
+ return 0;
+}
+
+__isl_give isl_dim *isl_dim_reset(__isl_take isl_dim *dim,
+ enum isl_dim_type type)
+{
+ if (!isl_dim_is_named_or_nested(dim, type))
+ return dim;
+
+ dim = isl_dim_cow(dim);
+ if (!dim)
+ return NULL;
+
+ isl_name_free(dim->ctx, dim->tuple_name[type - isl_dim_in]);
+ dim->tuple_name[type - isl_dim_in] = NULL;
+ isl_dim_free(dim->nested[type - isl_dim_in]);
+ dim->nested[type - isl_dim_in] = NULL;
+
+ return dim;
+}
+
+__isl_give isl_dim *isl_dim_flatten(__isl_take isl_dim *dim)
+{
+ if (!dim)
+ return NULL;
+ if (!dim->nested[0] && !dim->nested[1])
+ return dim;
+
+ if (dim->nested[0])
+ dim = isl_dim_reset(dim, isl_dim_in);
+ if (dim && dim->nested[1])
+ dim = isl_dim_reset(dim, isl_dim_out);
+
+ return dim;
+}
+
+/* Replace the dimensions of the given type of dst by those of src.
+ */
+__isl_give isl_dim *isl_dim_replace(__isl_take isl_dim *dst,
+ enum isl_dim_type type, __isl_keep isl_dim *src)
+{
+ dst = isl_dim_cow(dst);
+
+ if (!dst || !src)
+ goto error;
+
+ dst = isl_dim_drop(dst, type, 0, isl_dim_size(dst, type));
+ dst = isl_dim_add(dst, type, isl_dim_size(src, type));
+ dst = copy_names(dst, type, 0, src, type);
+
+ if (dst && type == isl_dim_param) {
+ int i;
+ for (i = 0; i <= 1; ++i) {
+ if (!dst->nested[i])
+ continue;
+ dst->nested[i] = isl_dim_replace(dst->nested[i],
+ type, src);
+ if (!dst->nested[i])
+ goto error;
+ }
+ }
+
+ return dst;
+error:
+ isl_dim_free(dst);
+ return NULL;
+}
projects / platform / upstream / isl.git / blobdiff