517 lines
18 KiB
Prolog
517 lines
18 KiB
Prolog
%%% -*- Mode: Prolog; -*-
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% $Date: 2009-06-17 22:22:00 +0200 (Mi, 17 Jun 2009) $
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% $Revision: 1550 $
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%
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% This file is part of ProbLog
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% http://dtai.cs.kuleuven.be/problog
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%
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% Copyright 2009 Katholieke Universiteit Leuven
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%
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% Authors: Luc De Raedt, Bernd Gutmann, Angelika Kimmig,
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% Vitor Santos Costa
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%
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%
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% Main authors of this file:
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% Bernd Gutmann
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% Artistic License 2.0
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%
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% Copyright (c) 2000-2006, The Perl Foundation.
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%
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% Everyone is permitted to copy and distribute verbatim copies of this
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% license document, but changing it is not allowed. Preamble
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%
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% This license establishes the terms under which a given free software
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% Package may be copied, modified, distributed, and/or
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% redistributed. The intent is that the Copyright Holder maintains some
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% artistic control over the development of that Package while still
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% keeping the Package available as open source and free software.
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%
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% You are always permitted to make arrangements wholly outside of this
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% license directly with the Copyright Holder of a given Package. If the
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% terms of this license do not permit the full use that you propose to
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% make of the Package, you should contact the Copyright Holder and seek
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% a different licensing arrangement. Definitions
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%
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% "Copyright Holder" means the individual(s) or organization(s) named in
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% the copyright notice for the entire Package.
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%
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% "Contributor" means any party that has contributed code or other
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% material to the Package, in accordance with the Copyright Holder's
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% procedures.
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%
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% "You" and "your" means any person who would like to copy, distribute,
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% or modify the Package.
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%
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% "Package" means the collection of files distributed by the Copyright
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% Holder, and derivatives of that collection and/or of those files. A
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% given Package may consist of either the Standard Version, or a
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% Modified Version.
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%
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% "Distribute" means providing a copy of the Package or making it
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% accessible to anyone else, or in the case of a company or
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% organization, to others outside of your company or organization.
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%
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% "Distributor Fee" means any fee that you charge for Distributing this
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% Package or providing support for this Package to another party. It
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% does not mean licensing fees.
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%
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% "Standard Version" refers to the Package if it has not been modified,
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% or has been modified only in ways explicitly requested by the
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% Copyright Holder.
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%
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% "Modified Version" means the Package, if it has been changed, and such
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% changes were not explicitly requested by the Copyright Holder.
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%
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% "Original License" means this Artistic License as Distributed with the
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% Standard Version of the Package, in its current version or as it may
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% be modified by The Perl Foundation in the future.
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%
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% "Source" form means the source code, documentation source, and
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% configuration files for the Package.
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%
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% "Compiled" form means the compiled bytecode, object code, binary, or
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% any other form resulting from mechanical transformation or translation
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% of the Source form.
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% Permission for Use and Modification Without Distribution
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%
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% (1) You are permitted to use the Standard Version and create and use
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% Modified Versions for any purpose without restriction, provided that
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% you do not Distribute the Modified Version.
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%
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% Permissions for Redistribution of the Standard Version
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%
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% (2) You may Distribute verbatim copies of the Source form of the
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% Standard Version of this Package in any medium without restriction,
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% either gratis or for a Distributor Fee, provided that you duplicate
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% all of the original copyright notices and associated disclaimers. At
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% your discretion, such verbatim copies may or may not include a
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% Compiled form of the Package.
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%
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% (3) You may apply any bug fixes, portability changes, and other
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% modifications made available from the Copyright Holder. The resulting
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% Package will still be considered the Standard Version, and as such
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% will be subject to the Original License.
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%
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% Distribution of Modified Versions of the Package as Source
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%
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% (4) You may Distribute your Modified Version as Source (either gratis
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% or for a Distributor Fee, and with or without a Compiled form of the
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% Modified Version) provided that you clearly document how it differs
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% from the Standard Version, including, but not limited to, documenting
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% any non-standard features, executables, or modules, and provided that
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% you do at least ONE of the following:
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%
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% (a) make the Modified Version available to the Copyright Holder of the
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% Standard Version, under the Original License, so that the Copyright
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% Holder may include your modifications in the Standard Version. (b)
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% ensure that installation of your Modified Version does not prevent the
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% user installing or running the Standard Version. In addition, the
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% modified Version must bear a name that is different from the name of
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% the Standard Version. (c) allow anyone who receives a copy of the
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% Modified Version to make the Source form of the Modified Version
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% available to others under (i) the Original License or (ii) a license
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% that permits the licensee to freely copy, modify and redistribute the
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% Modified Version using the same licensing terms that apply to the copy
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% that the licensee received, and requires that the Source form of the
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% Modified Version, and of any works derived from it, be made freely
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% available in that license fees are prohibited but Distributor Fees are
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% allowed.
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%
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% Distribution of Compiled Forms of the Standard Version or
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% Modified Versions without the Source
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%
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% (5) You may Distribute Compiled forms of the Standard Version without
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% the Source, provided that you include complete instructions on how to
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% get the Source of the Standard Version. Such instructions must be
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% valid at the time of your distribution. If these instructions, at any
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% time while you are carrying out such distribution, become invalid, you
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% must provide new instructions on demand or cease further
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% distribution. If you provide valid instructions or cease distribution
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% within thirty days after you become aware that the instructions are
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% invalid, then you do not forfeit any of your rights under this
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% license.
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%
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% (6) You may Distribute a Modified Version in Compiled form without the
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% Source, provided that you comply with Section 4 with respect to the
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% Source of the Modified Version.
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%
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% Aggregating or Linking the Package
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%
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% (7) You may aggregate the Package (either the Standard Version or
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% Modified Version) with other packages and Distribute the resulting
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% aggregation provided that you do not charge a licensing fee for the
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% Package. Distributor Fees are permitted, and licensing fees for other
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% components in the aggregation are permitted. The terms of this license
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% apply to the use and Distribution of the Standard or Modified Versions
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% as included in the aggregation.
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%
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% (8) You are permitted to link Modified and Standard Versions with
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% other works, to embed the Package in a larger work of your own, or to
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% build stand-alone binary or bytecode versions of applications that
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% include the Package, and Distribute the result without restriction,
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% provided the result does not expose a direct interface to the Package.
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%
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% Items That are Not Considered Part of a Modified Version
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%
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% (9) Works (including, but not limited to, modules and scripts) that
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% merely extend or make use of the Package, do not, by themselves, cause
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% the Package to be a Modified Version. In addition, such works are not
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% considered parts of the Package itself, and are not subject to the
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% terms of this license.
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%
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% General Provisions
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%
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% (10) Any use, modification, and distribution of the Standard or
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% Modified Versions is governed by this Artistic License. By using,
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% modifying or distributing the Package, you accept this license. Do not
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% use, modify, or distribute the Package, if you do not accept this
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% license.
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%
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% (11) If your Modified Version has been derived from a Modified Version
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% made by someone other than you, you are nevertheless required to
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% ensure that your Modified Version complies with the requirements of
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% this license.
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%
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% (12) This license does not grant you the right to use any trademark,
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% service mark, tradename, or logo of the Copyright Holder.
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%
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% (13) This license includes the non-exclusive, worldwide,
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% free-of-charge patent license to make, have made, use, offer to sell,
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% sell, import and otherwise transfer the Package with respect to any
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% patent claims licensable by the Copyright Holder that are necessarily
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% infringed by the Package. If you institute patent litigation
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% (including a cross-claim or counterclaim) against any party alleging
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% that the Package constitutes direct or contributory patent
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% infringement, then this Artistic License to you shall terminate on the
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% date that such litigation is filed.
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%
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% (14) Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT
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% HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED
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% WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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% PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT
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% PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT
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% HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT,
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% INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE
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% OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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:- module(logger,[logger_define_variable/2,
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logger_define_variables/2,
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logger_set_filename/1,
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logger_set_delimiter/1,
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logger_set_variable/2,
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logger_set_variable_again/2,
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logger_get_variable/2,
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logger_start_timer/1,
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logger_stop_timer/1,
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logger_write_data/0,
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logger_write_header/0]).
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:- use_module(library(system),[datime/1,mktime/2]).
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:- use_module(library(lists),[append/3,member/2]).
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:- yap_flag(unknown,error).
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:- style_check(single_var).
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:- bb_put(logger_filename,'out.dat').
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:- bb_put(logger_delimiter,';').
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:- bb_put(logger_variables,[]).
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%========================================================================
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%= Defines a new variable, possible types are: int, float and time
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%=
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%= +Name, +Type
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%========================================================================
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logger_define_variable(Name,int) :-
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!,
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is_variable_already_defined(Name),
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bb_delete(logger_variables,OldVariables),
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append(OldVariables,[(Name,int)],NewVariables),
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bb_put(logger_variables,NewVariables),
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atom_concat(logger_data_,Name,Key),
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bb_put(Key,null).
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logger_define_variable(Name,float) :-
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!,
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is_variable_already_defined(Name),
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bb_delete(logger_variables,OldVariables),
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append(OldVariables,[(Name,float)],NewVariables),
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bb_put(logger_variables,NewVariables),
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atom_concat(logger_data_,Name,Key),
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bb_put(Key,null).
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logger_define_variable(Name,time) :-
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!,
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is_variable_already_defined(Name),
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bb_delete(logger_variables,OldVariables),
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append(OldVariables,[(Name,time)],NewVariables),
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bb_put(logger_variables,NewVariables),
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atom_concat(logger_data_,Name,Key),
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atom_concat(logger_start_time_,Name,Key2),
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bb_put(Key,null),
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bb_put(Key2,null).
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logger_define_variable(Name,Unknown) :-
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is_variable_already_defined(Name),
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write('logger_define_variable, unknown type '),
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write(Unknown),
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write(' for variable '),
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write(Name),
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nl,
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fail.
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is_variable_already_defined(Name) :-
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bb_get(logger_variables,Variables),
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member((Name,_),Variables),!,
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write('logger_define_variable, Variable '),
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write(Name),
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write(' is already defined!\n'),
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fail;
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true.
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%========================================================================
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%=
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%=
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%= +ListOfNames, +Type
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%========================================================================
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logger_define_variables([],_).
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logger_define_variables([H|T],Type) :-
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logger_define_variable(H,Type),
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logger_define_variables(T,Type).
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%========================================================================
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%= Set the filename, to which the output should be appended
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%=
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%= +Name
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%========================================================================
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logger_set_filename(Name) :-
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bb_put(logger_filename,Name).
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%========================================================================
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%= Set the delimiter for the fields
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%=
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%= +Delimiter
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%========================================================================
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logger_set_delimiter(Delimiter) :-
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bb_put(logger_delimiter,Delimiter).
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%========================================================================
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%= Set the value of the variable name. If the value is already set or
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%= if the variable does not exists, an error will be displayed and the
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%= Prolog will be halted.
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%=
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%= +Name, +Value
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%========================================================================
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logger_set_variable(Name,Value) :-
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atom_concat(logger_data_,Name,Key),
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(
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bb_get(Key,null)
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->
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(
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bb_put(Key,Value)
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);(
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bb_get(Key,_)
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->
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(
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write('logger_set_variable, Variable '),
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write(Name),
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write(' is already set'),
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nl,
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fail
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) ; (
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write('logger_set_variable, unknown variable '),
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write(Name),
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nl,
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fail
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)
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)
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),!.
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%========================================================================
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%= Set the value of the variable name. If the value is already set or
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%= the old value is overwritten. If the variable does not exists, an
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%= error will be displayed and the Prolog will be halted.
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%=
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%= +Name, +Value
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%========================================================================
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logger_set_variable_again(Name,Value) :-
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atom_concat(logger_data_,Name,Key),
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(
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bb_get(Key,_)
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->
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(
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bb_put(Key,Value)
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);(
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write('logger_set_variable, unknown variable '),
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write(Name),
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nl,
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fail
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)
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),!.
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logger_variable_is_set(Name) :-
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atom_concat(logger_data_,Name,Key),
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bb_get(Key,X),
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X \= null.
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%========================================================================
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%= Get the value of the variable name. If the value is not yet set or
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%= if the variable does not exists, an error will be displayed and the
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%= Prolog will be halted.
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%=
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%= +Name, +Value
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%========================================================================
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logger_get_variable(Name,Value) :-
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atom_concat(logger_data_,Name,Key),
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(
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bb_get(Key,null)
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->
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(
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write('logger_get_variable, Variable '),
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write(Name),
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write(' is not yet set'),
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nl,
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fail
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);(
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bb_get(Key,Value)
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;
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(
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write('logger_set_variable, unknown variable '),
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write(Name),
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nl,
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fail
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)
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)
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),!.
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%========================================================================
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%=
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%=
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%= +Name
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%========================================================================
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logger_start_timer(Name) :-
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atom_concat(logger_start_time_,Name,Key),
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(
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bb_get(Key,null)
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->
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(
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statistics(walltime,[StartTime,_]),
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bb_put(Key,StartTime)
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);(
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bb_get(Key,_)
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->
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(
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write('logger_start_timer, timer '),
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write(Name),
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write(' is already started'),
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nl,
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fail
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);(
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write('logger_start_timer, timer '),
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write(Name),
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write(' is not defined'),
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nl,
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fail
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)
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)
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),!.
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logger_stop_timer(Name) :-
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atom_concat(logger_start_time_,Name,Key),
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bb_delete(Key,StartTime),
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statistics(walltime,[StopTime,_]),
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bb_put(Key,null),
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Duration is StopTime-StartTime,
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(
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logger_variable_is_set(Name)
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->
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(
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logger_get_variable(Name,OldDuration),
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NewDuration is Duration+OldDuration,
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logger_set_variable_again(Name,NewDuration)
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); logger_set_variable(Name,Duration)
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),!.
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%========================================================================
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%= write a new line to the log file, which contains all the
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%= values of the variables. afterwards, reset all variables to null.
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%=
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%========================================================================
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logger_write_data :-
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bb_get(logger_filename,FName),
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bb_get(logger_variables,Variables),
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open(FName,'append',Handle),
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logger_write_data_intern(Variables,Handle),
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close(Handle),
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% reset variables
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findall(_,(member((Name,_),Variables),atom_concat(logger_data_,Name,Key),bb_put(Key,null)),_),
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findall(_,(member((Name,time),Variables),atom_concat(logger_start_time_,Name,Key2),bb_put(Key2,null)),_).
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logger_write_data_intern([],_).
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logger_write_data_intern([(Name,_Type)],Handle) :-
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variablevalue_with_nullcheck(Name,Value),
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write(Handle,Value),
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write(Handle,'\n').
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logger_write_data_intern([(Name,_Type),Next|T],Handle) :-
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variablevalue_with_nullcheck(Name,Value),
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bb_get(logger_delimiter,D),
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write(Handle,Value),
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write(Handle,D),
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logger_write_data_intern([Next|T],Handle).
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variablevalue_with_nullcheck(Name,Result) :-
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atom_concat(logger_data_,Name,Key),
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bb_get(Key,Value),
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(
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Value=null
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->
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Result = '' ;
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Result=Value
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).
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%========================================================================
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%=
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%=
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%=
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%========================================================================
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logger_write_header :-
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bb_get(logger_filename,FName),
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bb_get(logger_variables,Variables),
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open(FName,'append',Handle),
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write(Handle,'# '),
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logger_write_header_intern(Variables,Handle),
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write(Handle,'\n'),
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close(Handle).
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logger_write_header_intern([],_).
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logger_write_header_intern([(Name,_Type)],Handle) :-
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write(Handle,Name).
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logger_write_header_intern([(Name,_Type),Next|T],Handle) :-
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bb_get(logger_delimiter,D),
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write(Handle,Name),
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write(Handle,D),
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logger_write_header_intern([Next|T],Handle).
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