Activity for CLIPS Rule Based Programming Language
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Gary Riley modified ticket #34
problems getting the clips iOS download to start the interpreter
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CLIPS crashes when global variable modified
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Bypass allowed-values in RHS of Rule
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This is caused by the difference between dynamic and static constraint checking. Dynamic constraint checking is off by default. Static constraint checking occurs when constructs or commands are parsed. Dynamic constraint checking occurs when a program is executing. Because you can override the put- handlers for a class, assigning literal values to instances does not trigger static constraint checking because the init or put- handlers for a class could change the value assigned to an instance during...
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This is caused by the difference between dynamic and static constraint checking. Dynamic constraint checking is off by default. Static constraint checking occurs when constructs or commands are parsed. Dynamic constraint checking occurs when a program is executing. Because you can override the put- handlers for a class, assigning literal values to instances does not trigger static constraint checking because the init or put- handlers for an class could change the value assigned to an instance during...
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defmodule defrule run does not initially println to stdout
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FindInstance is NULL in UDF for instances with name
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Fixed check into SVN repository.
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64x 70x Fix for FindInstanceBug
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64x Changed BLOCK_MEMORY back to default setting of 0.
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64x 70x Flush function didn't work for stdout/stderr
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Sergey Piskunov posted a comment on discussion Help
Thank you, Gary
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I checked in a fix to the sourceforge svn repository under the code tab. The existing implementation for random uses the C library function rand. The IDE runs CLIPS commands on a separate thread from the GUI and on windows the seed gets reset each time you create one. I replaced use of the rand library call with a splitmix64 algorithm that will produce the same result across platforms.
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64x 70x Replaced rand function calls with cross platform splitmix64 algorithm.
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Felipe Tonello posted a comment on ticket #22
Thank you Gary. I will backport this fix to my local copy.
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CLIPS 6.42 fails to build for RUN_TIME=1
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Fixed the issue and checking in a fix to the SourceForge svn repository.
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64x Fixed DEFTEMPLATE_CONSTRUCT compile issue when other binary file features disabled.
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63x 64x Restored BLOCK_MEMORY functionality
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Hello. In CLIPSIDE.jar (random) function doesn't work, always return 41 number CLIPS (6.4.2 1/14/25) CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (seed 5555) CLIPS> (seed 5555) CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random) 41 CLIPS> (random 1 10) 2 CLIPS> (random 1 10) 2 CLIPS> (random 1 10) 2 CLIPS> (random 1 10) 2 CLIPS> (random 1 10) 2 CLIPS> In CLIPSJNI.jar (random) function...
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CLIPS 6.42 fails to build for RUN_TIME=1
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What I'd suggest doing is to create a module containing all of the deftemplates and defclasses that are part of your saved state. Import that module into MAIN and export everything from MAIN for your other modules to import. Declare deftemplates and defclasses locally in modules only for things that don't require persistence. This will allow you to more easily export all of the facts that are needed for the saved state. CLIPS 6.4 has bsave-facts/bload-facts functions. CLIPS 7.0, whenever I get that...
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Arya posted a comment on discussion Help
Message: Hello, I’m integrating CLIPS with a .NET application and have encountered an issue when trying to save and reload the environment state. When I use the original save-facts command, CLIPS doesn’t seem to take into account the module of each fact. As a result, when I later call load-facts, it throws errors because the facts are being loaded into the wrong (or default) module context. Initially, I tried using bsave and bload to persist the environment, but I ran into the error: “Cannot save...
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Extend / function to allow a single parameter
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Implemented in version 7.0
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Extend the - function to accept a single argument
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Implemented in version 7.0
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70x Modified +, -, *, and / to behavior similarly to common LISP for 0 and 1 arguments.
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Ryan Johnston created ticket #21
FindInstance is NULL in UDF for instances with name
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70x Added goal browser to Windows IDE
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64x 70x Fixed NULL pointer reference issue in GetNextConstructItem calls. Not an issue in 63x.
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70x Updates for goal browser and CLIPSJNI
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70x macOS IDE: Added goal browser and changed naming of Agenda Browser to Focus Stack Browser.
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Bypass allowed-values in RHS of Rule
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63x Backported return value constraint bug fix to 6.3 branch
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Segfault creating defrule matching on instance-name
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Checked in a fix to the 64x svn repository.
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64x 70 Fix for return value constraint crash (SourceForge Bug Ticket #19)
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defmodule focus stack corruption
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This was a misunderstanding on my part. This ticket can be closed
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Segfault creating defrule matching on instance-name
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64x Added Windows DLLs to library folder
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Tim Wendt posted a comment on discussion Open Discussion
I understand the usefulness of allowing rule redefinition when working interactively with the CLIPS CLI. However, when loading a file using the BatchStart function, it would be helpful to have a flag that causes execution to fail on rule redefinition. In this context, redefinition is often unintentional and may indicate that a rule name was accidentally reused. Thank you for your great work!
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Tobias posted a comment on discussion Help
I missed fact-existp - that does what I need
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Hello, I see that in v6.4 fact-relation was changed to generate errors when used with retracted facts. I want to check whether a fact-address in a slot has been retracted, and fact-relation seems like the best way to do that. Is there any problem with ignoring the error? I assume the retracted fact is still retained by the reference from the fact-address slot. Thank you
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The source code is here: https://github.com/garydriley/FuzzyCLIPS64/tree/master On most systems, you can usually create an executable with one command. For unix, it's: Source % gcc -o fzclips *.c Source % ./fzclips FuzzyCLIPS (6.4 2/9/21) FuzzyCLIPS>
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Briam Sebastian Ramos Guevara posted a comment on discussion Help
Hi, I require to add FuzzyCLIPS to CLIPS 6.4.2 for deffuzzy commands. It's so annoying there is no executable for this. Thanks so much!
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70x table-columns and table-row-count functions, documentation updates
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70x Support for global variables and function calls within deftables
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CLIPS 6.42 Binaries for Nvidia Jetson
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70x Replaced genstrncpy calls with genstrncat
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70x macOS IDE updates
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70x macOS IDE updates
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70x macOS IDE updates
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70x macOS GUI folder updates
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vlad created ticket #18
Sometimes, entries don't show up in the agenda
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Version 7 wishlist: IDE
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Version 7 wishlist: Language
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70x Removed gensprintf and gensnprintf functions.
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642 Final CLIPSJNI Jars and Libraries
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Provide find-indexed-fact function
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Added a function called fact-index-to-fact to the 6.4.2 release.
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Bug fixes and project updates for CLIPS 6.4.2 are available for download. New Functions and Commands: • str-byte-length • with-open-file • try • fact-index-to-fact Command and Function Changes • printout, print, and println - The symbols cr and lf and be used to print carriage returns and line feeds. • format – Updated to appropriately handle width and precison for UTF-8 multibyte characters. • External Text Manipulation – Removed the restriction on the maximum length for file and topic names.
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Bug fixes and project updates for CLIPS 6.4.2 are available for download. New Functions and Commands: • str-byte-length • with-open-file • try • fact-index-to-fact Command and Function Changes • printout, print, and println - The symbols cr and lf and be used to print carriage returns and line feeds. • format – Updated to appropriately handle width and precison for UTF-8 multibyte characters. • External Text Manipulation – Removed the restriction on the maximum length for file and topic names.
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CLIPS 6.4.2 Released
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CLIPS Rule Based Programming Language released /CLIPS/6.4.2/ReadMe642.md
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Dave Richards created ticket #10
Extend the - function to accept a single argument
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Extend / function to allow a single parameter
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Add primitive type NULL
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642 Documentation and iOS updates
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64x Added comments to test case
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64x Ubuntu updates
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64x constructs-to-c updates
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64x constructs-to-c update
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64x construct-to-c updates
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64x macOS CLIPSJNI compiler warnings updates
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64x 70x Added fact-index-to-fact function.
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64x 70x Added with-open-file function
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64x Added try function
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70x ND/CFD logic, try function, documentation updates
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Thank you
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CLIPS (6.4.1 4/8/23) CLIPS> (deftemplate line (slot id (default-dynamic (gensym*))) (slot parent (default none)) (multislot state)) CLIPS> (deftemplate solution (slot ready (default no)) (multislot steps)) CLIPS> (deffacts start (line (id start) (state M M M _ F F F))) CLIPS> (defrule move-male-to-lily (line (id ?id) (state $?b M _ $?e)) => (assert (line (parent ?id) (state ?b _ M ?e)))) CLIPS> (defrule move-male-jump-over-to-lily (line (id ?id) (state $?b M ?o _ $?e)) => (assert (line (parent ?id)...
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Hello, I can't find solution of this puzzle using Clips. I have six frogs arranged on seven lily pads in a line: three male frogs facing right on the leftmost lily pads and three female frogs facing left on the rightmost lily pads. M M M _ F F F Rules: - Each lily pad can hold only one frog. - Frogs can only move in the direction they are facing. - Frogs can move forward to an empty lily pad or jump over one frog to the empty lily pad on the other side. How can I switch the positions of the frogs...
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