platform/upstream/isl.git
15 years agoisl_tab_compute_reduced_basis: handle unbounded directions in initial basis
Sven Verdoolaege [Sun, 4 Oct 2009 07:33:06 +0000 (09:33 +0200)]
isl_tab_compute_reduced_basis: handle unbounded directions in initial basis

15 years agoexploit equalities in isl_tab_sample
Sven Verdoolaege [Mon, 28 Sep 2009 19:20:19 +0000 (21:20 +0200)]
exploit equalities in isl_tab_sample

15 years agoisl_tab: keep (in)equalities of bset (if any) in sync
Sven Verdoolaege [Tue, 29 Sep 2009 08:25:40 +0000 (10:25 +0200)]
isl_tab: keep (in)equalities of bset (if any) in sync

15 years agoisl_tab_sample: be more verbose about unbounded directions
Sven Verdoolaege [Tue, 6 Oct 2009 08:58:17 +0000 (10:58 +0200)]
isl_tab_sample: be more verbose about unbounded directions

15 years agoseparate out isl_tab_sample from sample_bounded
Sven Verdoolaege [Sun, 27 Sep 2009 20:00:02 +0000 (22:00 +0200)]
separate out isl_tab_sample from sample_bounded

15 years agosample_bounded: reimplement to work directly on a tableau
Sven Verdoolaege [Sat, 26 Sep 2009 14:42:31 +0000 (16:42 +0200)]
sample_bounded: reimplement to work directly on a tableau

In other words, adapt the implementation of isl_basic_set_samples
in polytope_scan.c
This avoids the reconstruction of tableaus and allows for a refactoring
that takes a tableau as input.

15 years agoisl_tab_compute_reduced_basis: work with affine basis instead of linear basis
Sven Verdoolaege [Sat, 26 Sep 2009 13:49:55 +0000 (15:49 +0200)]
isl_tab_compute_reduced_basis: work with affine basis instead of linear basis

15 years agoisl_tab_compute_reduced_basis: allow incremental computation
Sven Verdoolaege [Sat, 26 Sep 2009 13:31:12 +0000 (15:31 +0200)]
isl_tab_compute_reduced_basis: allow incremental computation

15 years agoisl_polytope_scan: use isl_tab_from_basic_set
Sven Verdoolaege [Sat, 26 Sep 2009 13:05:07 +0000 (15:05 +0200)]
isl_polytope_scan: use isl_tab_from_basic_set

15 years agoseparate out isl_tab_reduced_basis from isl_basic_set_reduced_basis
Sven Verdoolaege [Sat, 26 Sep 2009 11:20:40 +0000 (13:20 +0200)]
separate out isl_tab_reduced_basis from isl_basic_set_reduced_basis

This allows us to compute a reduced basis on a set given in tableau form.

15 years agobasis_reduction_tab.c: use isl_tab_product to construct product tableau
Sven Verdoolaege [Fri, 25 Sep 2009 10:57:10 +0000 (12:57 +0200)]
basis_reduction_tab.c: use isl_tab_product to construct product tableau

Before, we would manually construct a tableau for the Cartesian
product of a set with itself.  Now, we first create a tableau
for the set and then construct the product tableau.
This should be more efficient and allows us to refactor
the code to pass in a tableau instead of a set.

15 years agoadd isl_tab_product
Sven Verdoolaege [Thu, 8 Oct 2009 20:53:30 +0000 (22:53 +0200)]
add isl_tab_product

15 years agoisl_basic_set_reduced_basis: fix value in directions with only one integer value
Sven Verdoolaege [Wed, 7 Oct 2009 18:28:30 +0000 (20:28 +0200)]
isl_basic_set_reduced_basis: fix value in directions with only one integer value

If two or more directions have a width that is smaller than one,
i.e., such that the only one integer value can be attained,
then the standard algorithm would still try to order these
directions.  However, if the first directions only admit one
value, then it doesn't matter in which order they are put.
We therefore keep track of such directions explicitly and
also set the value in the tableau to the fixed value, rather
than keeping the rational interval with only one integer value.

15 years agoisl_basic_set_reduced_basis: fix up documentation
Sven Verdoolaege [Fri, 9 Oct 2009 08:40:23 +0000 (10:40 +0200)]
isl_basic_set_reduced_basis: fix up documentation

15 years agobasis_reduction_tab.c: keep track of con_offset instead of n_ineq
Sven Verdoolaege [Fri, 25 Sep 2009 10:46:06 +0000 (12:46 +0200)]
basis_reduction_tab.c: keep track of con_offset instead of n_ineq

This is a minor cosmetic change.

15 years agoadd isl_tab_add_eq
Sven Verdoolaege [Thu, 8 Oct 2009 12:43:07 +0000 (14:43 +0200)]
add isl_tab_add_eq

15 years agoisl_tab_add_valid_eq: add special treatment for manifestly zero rows
Sven Verdoolaege [Wed, 7 Oct 2009 18:19:03 +0000 (20:19 +0200)]
isl_tab_add_valid_eq: add special treatment for manifestly zero rows

15 years agoisl_tab_extend_cons: check tab argument
Sven Verdoolaege [Thu, 17 Sep 2009 10:09:46 +0000 (12:09 +0200)]
isl_tab_extend_cons: check tab argument

15 years agorename isl_tab_detect_equalities to isl_tab_detect_implicit_equalities
Sven Verdoolaege [Tue, 29 Sep 2009 12:13:29 +0000 (14:13 +0200)]
rename isl_tab_detect_equalities to isl_tab_detect_implicit_equalities

15 years agoisl_tab_from_recession_cone: take basic set instead of basic map as argument
Sven Verdoolaege [Sun, 27 Sep 2009 19:38:20 +0000 (21:38 +0200)]
isl_tab_from_recession_cone: take basic set instead of basic map as argument

15 years agoisl_ilp.c: separate out solve_ilp_search
Sven Verdoolaege [Sun, 27 Sep 2009 16:55:27 +0000 (18:55 +0200)]
isl_ilp.c: separate out solve_ilp_search

15 years agoisl_sample.c: basic_set_sample: remember boundedness of basic set
Sven Verdoolaege [Sat, 26 Sep 2009 15:54:58 +0000 (17:54 +0200)]
isl_sample.c: basic_set_sample: remember boundedness of basic set

15 years agoadd isl_polyhedron_detect_equalities test application
Sven Verdoolaege [Mon, 28 Sep 2009 13:41:01 +0000 (15:41 +0200)]
add isl_polyhedron_detect_equalities test application

15 years agoadd isl_basic_set_detect_equalities
Sven Verdoolaege [Mon, 28 Sep 2009 13:40:24 +0000 (15:40 +0200)]
add isl_basic_set_detect_equalities

15 years agoisl_tab_allocate_con: add extra assertion
Sven Verdoolaege [Mon, 28 Sep 2009 13:00:39 +0000 (15:00 +0200)]
isl_tab_allocate_con: add extra assertion

15 years agoisl_sample.c: basic_set_reduced: fix typo preventing use of gbr_only_first
Sven Verdoolaege [Sat, 26 Sep 2009 13:40:13 +0000 (15:40 +0200)]
isl_sample.c: basic_set_reduced: fix typo preventing use of gbr_only_first

15 years agoisl_tab_basic_map_partial_lexopt: simplify result
Sven Verdoolaege [Sun, 4 Oct 2009 08:20:51 +0000 (10:20 +0200)]
isl_tab_basic_map_partial_lexopt: simplify result

15 years agoprivately export isl_basic_set_add_{in,}eq
Sven Verdoolaege [Tue, 29 Sep 2009 08:11:33 +0000 (10:11 +0200)]
privately export isl_basic_set_add_{in,}eq

15 years agoprivately export isl_basic_set_sample_with_cone
Sven Verdoolaege [Wed, 7 Oct 2009 15:06:42 +0000 (17:06 +0200)]
privately export isl_basic_set_sample_with_cone

15 years agoadd isl_basic_set_underlying_set
Sven Verdoolaege [Wed, 7 Oct 2009 15:02:02 +0000 (17:02 +0200)]
add isl_basic_set_underlying_set

15 years agoisl_tab.c: close_row: push undo record for setting row to zero
Sven Verdoolaege [Wed, 7 Oct 2009 10:19:41 +0000 (12:19 +0200)]
isl_tab.c: close_row: push undo record for setting row to zero

15 years agoadd isl_mat_vec_inverse_product
Sven Verdoolaege [Sun, 4 Oct 2009 07:12:45 +0000 (09:12 +0200)]
add isl_mat_vec_inverse_product

15 years agoadd isl_mat_concat
Sven Verdoolaege [Fri, 2 Oct 2009 12:34:39 +0000 (14:34 +0200)]
add isl_mat_concat

15 years agoadd isl_int_divexact_ui
Sven Verdoolaege [Mon, 28 Sep 2009 10:41:53 +0000 (12:41 +0200)]
add isl_int_divexact_ui

15 years agoadd isl_set_dim_residue_class
Sven Verdoolaege [Mon, 5 Oct 2009 21:15:30 +0000 (23:15 +0200)]
add isl_set_dim_residue_class

15 years agofix long standing bug in isl_mat_inverse_product
Sven Verdoolaege [Sat, 3 Oct 2009 13:01:56 +0000 (15:01 +0200)]
fix long standing bug in isl_mat_inverse_product

15 years agoadd isl_basic_map_foreach_lexmin
Sven Verdoolaege [Thu, 1 Oct 2009 19:48:17 +0000 (21:48 +0200)]
add isl_basic_map_foreach_lexmin

15 years agoadd isl_set_project_out
Sven Verdoolaege [Thu, 1 Oct 2009 09:42:19 +0000 (11:42 +0200)]
add isl_set_project_out

15 years agoadd isl_set_detect_equalities
Sven Verdoolaege [Thu, 1 Oct 2009 09:23:05 +0000 (11:23 +0200)]
add isl_set_detect_equalities

15 years agoadd isl_set_foreach_basic_set
Sven Verdoolaege [Thu, 1 Oct 2009 09:18:13 +0000 (11:18 +0200)]
add isl_set_foreach_basic_set

15 years agoadd isl_set_lifting
Sven Verdoolaege [Wed, 30 Sep 2009 19:17:11 +0000 (21:17 +0200)]
add isl_set_lifting

15 years agoisl_dim_size: check argument
Sven Verdoolaege [Wed, 30 Sep 2009 13:11:33 +0000 (15:11 +0200)]
isl_dim_size: check argument

15 years agoexport isl_mat header
Sven Verdoolaege [Wed, 30 Sep 2009 10:37:35 +0000 (12:37 +0200)]
export isl_mat header

15 years agoadd isl_basic_map_lexmin
Sven Verdoolaege [Wed, 30 Sep 2009 10:30:47 +0000 (12:30 +0200)]
add isl_basic_map_lexmin

15 years agoadd isl_map_foreach_basic_map
Sven Verdoolaege [Wed, 30 Sep 2009 10:20:18 +0000 (12:20 +0200)]
add isl_map_foreach_basic_map

15 years agoconfigure.ac: fix cut-and-paste error in original commit
Sven Verdoolaege [Mon, 21 Sep 2009 15:55:02 +0000 (17:55 +0200)]
configure.ac: fix cut-and-paste error in original commit

15 years agoadd isl_int_get_si
Sven Verdoolaege [Mon, 21 Sep 2009 15:41:41 +0000 (17:41 +0200)]
add isl_int_get_si

15 years agoexport isl_set_sample
Sven Verdoolaege [Mon, 21 Sep 2009 15:23:21 +0000 (17:23 +0200)]
export isl_set_sample

15 years agoadd isl_basic_set_universe_like_set
Sven Verdoolaege [Mon, 21 Sep 2009 15:06:45 +0000 (17:06 +0200)]
add isl_basic_set_universe_like_set

15 years agoadd isl_set_is_strict_subset
Sven Verdoolaege [Mon, 21 Sep 2009 07:55:07 +0000 (09:55 +0200)]
add isl_set_is_strict_subset

15 years agoadd isl_set_universe_like
Sven Verdoolaege [Sun, 20 Sep 2009 22:54:27 +0000 (00:54 +0200)]
add isl_set_universe_like

15 years agoAX_SUBMODULE: set PKG_CONFIG_PATH
Sven Verdoolaege [Sun, 20 Sep 2009 16:09:43 +0000 (18:09 +0200)]
AX_SUBMODULE: set PKG_CONFIG_PATH

15 years agocreate pkg-config file
Sven Verdoolaege [Sun, 20 Sep 2009 13:23:07 +0000 (15:23 +0200)]
create pkg-config file

15 years agoAX_SUBMODULE: drop options that are meaningless given possible choices
Sven Verdoolaege [Sun, 20 Sep 2009 09:54:11 +0000 (11:54 +0200)]
AX_SUBMODULE: drop options that are meaningless given possible choices

15 years agoisl_basic_map_from_constraint: return copy of bmap in constraint if possible
Sven Verdoolaege [Wed, 16 Sep 2009 11:19:12 +0000 (13:19 +0200)]
isl_basic_map_from_constraint: return copy of bmap in constraint if possible

Commit fa1cd4b (isl_basic_map_add_constraint: handle constraints obtained from
basic maps) fixed isl_basic_map_add_constraint to also work with constraints
obtained from iterating over the constraints of a basic map by
calling isl_basic_map_from_constraint.
However, this broke the case where a new constraint is created with
existentially quantified variables.  In this case, the divs may be
unknown and we can't compute them because that may result in a union.
So, try to detect this special case in isl_basic_map_from_constraint
and return the basic map stored inside the constraint.

15 years agodoc: fix description of lexicograhpic order relations
Sven Verdoolaege [Wed, 16 Sep 2009 09:08:42 +0000 (11:08 +0200)]
doc: fix description of lexicograhpic order relations

15 years agoadd isl_map_lex_le and isl_map_lex_ge
Sven Verdoolaege [Wed, 16 Sep 2009 09:06:24 +0000 (11:06 +0200)]
add isl_map_lex_le and isl_map_lex_ge

15 years agoexport isl_basic_map_gist
Sven Verdoolaege [Mon, 14 Sep 2009 16:13:20 +0000 (18:13 +0200)]
export isl_basic_map_gist

15 years agoadd isl_basic_map_sample and isl_map_sample
Sven Verdoolaege [Mon, 14 Sep 2009 15:53:51 +0000 (17:53 +0200)]
add isl_basic_map_sample and isl_map_sample

15 years agoisl_sample.c: move isl_basic_set_from_vec from isl_affine_hull.c
Sven Verdoolaege [Sun, 13 Sep 2009 17:39:17 +0000 (19:39 +0200)]
isl_sample.c: move isl_basic_set_from_vec from isl_affine_hull.c

15 years agorename isl_basic_set_sample to isl_basic_set_sample_vec
Sven Verdoolaege [Sun, 13 Sep 2009 17:26:19 +0000 (19:26 +0200)]
rename isl_basic_set_sample to isl_basic_set_sample_vec

15 years agomake some internal functions static
Sven Verdoolaege [Sun, 13 Sep 2009 17:22:37 +0000 (19:22 +0200)]
make some internal functions static

15 years agoisl_basic_map_add_constraint: handle constraints obtained from basic maps
Sven Verdoolaege [Sun, 13 Sep 2009 17:13:13 +0000 (19:13 +0200)]
isl_basic_map_add_constraint: handle constraints obtained from basic maps

The bmap field of a constraint may contain a basic map that is bounded
by more than one constraint.  The constraint can therefore not be
added by simply taking the intersection with this bmap.
Instead, first create a basic map that exactly corresponds to the constraint
and then take the intersection with that basic map.

15 years agoadd isl_basic_map_from_constraint
Sven Verdoolaege [Sun, 13 Sep 2009 16:39:02 +0000 (18:39 +0200)]
add isl_basic_map_from_constraint

15 years agoisl_map_simplify.c: break if set turns out to be empty during div coalescing
Sven Verdoolaege [Sat, 12 Sep 2009 17:50:54 +0000 (19:50 +0200)]
isl_map_simplify.c: break if set turns out to be empty during div coalescing

15 years agoadd isl_basic_map_universe_like
Sven Verdoolaege [Sat, 12 Sep 2009 16:11:12 +0000 (18:11 +0200)]
add isl_basic_map_universe_like

15 years agoadd isl_map_lex_lt and isl_map_lex_gt
Sven Verdoolaege [Tue, 8 Sep 2009 08:38:03 +0000 (09:38 +0100)]
add isl_map_lex_lt and isl_map_lex_gt

15 years agoisl_tab.c: cut_to_hyperplane: do nothing if selected constraint is an equality
Sven Verdoolaege [Wed, 9 Sep 2009 18:32:35 +0000 (20:32 +0200)]
isl_tab.c: cut_to_hyperplane: do nothing if selected constraint is an equality

15 years agoreverse meaning of isl_basic_map_{less,more}_at
Sven Verdoolaege [Wed, 9 Sep 2009 12:54:16 +0000 (14:54 +0200)]
reverse meaning of isl_basic_map_{less,more}_at

Before, these functions were interpreted as returning maps that map elements
to elements that are less/more.
Now, they are interpreted as returning relations that express
the concept of being less/more, i.e., the elements in the domain
are now less/more than the elements in the range.

15 years agoisl_tab_dup: avoid out-of-bounds array access
Sven Verdoolaege [Tue, 8 Sep 2009 14:34:24 +0000 (16:34 +0200)]
isl_tab_dup: avoid out-of-bounds array access

tab->n_col is between 0 and mat->n_col - 2 - M
and may not be equal to n_var after some columns have been dropped.

15 years agoisl 0.01 isl-0.01
Sven Verdoolaege [Sun, 6 Sep 2009 15:49:15 +0000 (17:49 +0200)]
isl 0.01

15 years agoadd a rudimentary manual
Sven Verdoolaege [Sun, 6 Sep 2009 16:00:03 +0000 (18:00 +0200)]
add a rudimentary manual

15 years agoadd some memory management annotations
Sven Verdoolaege [Sun, 6 Sep 2009 15:59:28 +0000 (17:59 +0200)]
add some memory management annotations

15 years agoexport isl_basic_set_project_out
Sven Verdoolaege [Sun, 6 Sep 2009 13:33:53 +0000 (15:33 +0200)]
export isl_basic_set_project_out

15 years agoisl_basic_set_normalize_constraints: add missing return
Sven Verdoolaege [Sun, 6 Sep 2009 11:48:04 +0000 (13:48 +0200)]
isl_basic_set_normalize_constraints: add missing return

15 years agoisl_map_simplify.c: remove unused variables
Sven Verdoolaege [Sun, 6 Sep 2009 11:46:47 +0000 (13:46 +0200)]
isl_map_simplify.c: remove unused variables

15 years agoisl_map.c: remove unused variables
Sven Verdoolaege [Sun, 6 Sep 2009 11:44:45 +0000 (13:44 +0200)]
isl_map.c: remove unused variables

15 years agoisl_basic_set_get_hash: initialize hash value
Sven Verdoolaege [Sun, 6 Sep 2009 11:43:09 +0000 (13:43 +0200)]
isl_basic_set_get_hash: initialize hash value

15 years agoisl_affine_hull.c: remove unused variable
Sven Verdoolaege [Sun, 6 Sep 2009 11:40:52 +0000 (13:40 +0200)]
isl_affine_hull.c: remove unused variable

15 years agoisl_hash.c: remove unused variable
Sven Verdoolaege [Sun, 6 Sep 2009 11:40:24 +0000 (13:40 +0200)]
isl_hash.c: remove unused variable

15 years agoisl_lp.c: add missing include
Sven Verdoolaege [Sun, 6 Sep 2009 11:39:11 +0000 (13:39 +0200)]
isl_lp.c: add missing include

15 years agoisl_equalities.c: drop redundant error handling
Sven Verdoolaege [Sun, 6 Sep 2009 11:38:02 +0000 (13:38 +0200)]
isl_equalities.c: drop redundant error handling

15 years agoisl_equalities.c: remove unused variable
Sven Verdoolaege [Sun, 6 Sep 2009 11:37:44 +0000 (13:37 +0200)]
isl_equalities.c: remove unused variable

15 years agoisl_convex_hull.c: remove unused variables
Sven Verdoolaege [Sun, 6 Sep 2009 11:36:21 +0000 (13:36 +0200)]
isl_convex_hull.c: remove unused variables

15 years agoisl_constraint.c: remove unused variables
Sven Verdoolaege [Sun, 6 Sep 2009 11:34:20 +0000 (13:34 +0200)]
isl_constraint.c: remove unused variables

15 years agoisl_tab.c: sign_of_min: only pivot back if we performed any pivot
Sven Verdoolaege [Sun, 6 Sep 2009 11:30:12 +0000 (13:30 +0200)]
isl_tab.c: sign_of_min: only pivot back if we performed any pivot

15 years agoisl_tab.c: isl_tab_mark_redundant: fix up error return
Sven Verdoolaege [Sun, 6 Sep 2009 11:23:29 +0000 (13:23 +0200)]
isl_tab.c: isl_tab_mark_redundant: fix up error return

15 years agoisl_tab.c: remove unused variables
Sven Verdoolaege [Sun, 6 Sep 2009 11:22:11 +0000 (13:22 +0200)]
isl_tab.c: remove unused variables

15 years agoisl_tab_pip.c: remove unused variables
Sven Verdoolaege [Sun, 6 Sep 2009 11:20:49 +0000 (13:20 +0200)]
isl_tab_pip.c: remove unused variables

15 years agoisl_vec.c: remove unused variable
Sven Verdoolaege [Sun, 6 Sep 2009 11:19:05 +0000 (13:19 +0200)]
isl_vec.c: remove unused variable

15 years agoisl_test.c: remove unused variable
Sven Verdoolaege [Sun, 6 Sep 2009 11:18:31 +0000 (13:18 +0200)]
isl_test.c: remove unused variable

15 years agoisl_assert: validate all arguments and fix up fallout
Sven Verdoolaege [Sun, 6 Sep 2009 11:17:35 +0000 (13:17 +0200)]
isl_assert: validate all arguments and fix up fallout

15 years agopolyhedron_sample.c: add missing include
Sven Verdoolaege [Sun, 6 Sep 2009 11:03:24 +0000 (13:03 +0200)]
polyhedron_sample.c: add missing include

15 years agoisl_pip.c: check return value of fscanf
Sven Verdoolaege [Sun, 6 Sep 2009 11:01:40 +0000 (13:01 +0200)]
isl_pip.c: check return value of fscanf

15 years agopolyhedron_minimize.c: handle all enumeration values in switch
Sven Verdoolaege [Sun, 6 Sep 2009 10:59:59 +0000 (12:59 +0200)]
polyhedron_minimize.c: handle all enumeration values in switch

15 years agoconfigure.ac: set maximal optimization compiler flags
Sven Verdoolaege [Sun, 6 Sep 2009 10:57:03 +0000 (12:57 +0200)]
configure.ac: set maximal optimization compiler flags

15 years agoisl_set_copy_basic_set: add missing return
Sven Verdoolaege [Sat, 5 Sep 2009 22:16:09 +0000 (00:16 +0200)]
isl_set_copy_basic_set: add missing return

15 years agoisl_set_drop_basic_set: add missing return
Sven Verdoolaege [Sat, 5 Sep 2009 22:09:54 +0000 (00:09 +0200)]
isl_set_drop_basic_set: add missing return

15 years agoisl_set_coalesce: add missing return
Sven Verdoolaege [Sat, 5 Sep 2009 21:56:57 +0000 (23:56 +0200)]
isl_set_coalesce: add missing return

15 years agoisl_coalesce.c: add missing include
Sven Verdoolaege [Sat, 5 Sep 2009 21:51:22 +0000 (23:51 +0200)]
isl_coalesce.c: add missing include