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Topic: Lisp atom


  
 SUNY Geneseo A Quick Guide to Common Lisp Spring 2000
Much of the input and output that you would need to write in other languages are unnecessary in Lisp's interpreted environment, because inputs to a computation can often be entered simply as part of an expression typed interactively to the interpreter, and the interpreter automatically prints the result of every expression you give it.
Lisp iimplementations are usually interactive interpreters, i.e., programs to which you can type expressions and have them evaluated immediately.
The fundamental data type in Lisp is the list (that's where the "lis" in "Lisp" comes from).
http://www.cs.geneseo.edu/~baldwin/csci341/spring2000/lisp-body.html   (1346 words)

  
 LISP [laze.net]
However, many universities such as Stanford and MIT use LISP as their primary language to teach programming.
Since LISP is an interpreted language with dynamic data typing, a runtime error would occur if a list was sent to N rather than an integer.
As the model for functional programming, LISP succeeded as a list-processing language ideal for Artificial Intelligence applications.
http://www.laze.net/papers/lisp.php   (1136 words)

  
 LISP: List Processing Language
Lisp is the favored language for developing Artificial Intelligence(AI) because of its recursive properties and built-in functions for creating, processing and manipulating nested lists.
Lisp interpreters are not like other coding environments.
As this is the Lisp expression for adding 1 and 1 it should evaluate to 2.
http://home.att.net/~gobruen/progs/lisp   (916 words)

  
 Programming in Emacs Lisp
Lisp was first developed in the late 1950s at the Massachusetts Institute of Technology for research in artificial intelligence.
Although Emacs Lisp is usually thought of in association with the text editor, it is a full computer programming language.
These functions are used as examples of Lisp code, but are not imaginary examples; with the exception of the first, simplified function definition, these functions show the actual code used in GNU Emacs.
http://www.csse.uwa.edu.au/programming/emacs-lisp-intro-1.04   (16559 words)

  
 Successful Lisp
Lisp space on my hard disk runs from a low of about 5 megabytes for one system to a high of about 30 megabytes for another system that is a total programming environment, including a built in file manager, WYSIWYG word processor, graphics program, appointment calendar, and (almost forgot) Lisp development environment.
Lisp is also used as an extension language because of its simple, consistent syntax and the ability for system designers to add new functions to Lisp without writing an entire new language.
Lisp often "creates a binding" for a variable by allocating a piece of storage to hold the variable's value and putting the value into the newly allocated memory.
http://www.selectorweb.com/lisp_success.html   (17837 words)

  
 GLISP: A Lisp-based Programming System with Data Abstraction
This allows the implementations of objects to be changed without changing the code; it also allows the same code to be effective for objects that are implemented in different ways and thereby allows the accumulation of programming knowledge in the form of generic programs.
Existing LISP data structures can be described, so that GLISP and its associated programs (such as the GEV data inspector) can be used with existing programs that are not written in GLISP.
For example, the programmer need not remember which of the six comparison operators are implemented for strings in the LISP dialect in question or what the names of the functions are; GLISP translates expressions involving any of the operators into appropriate forms using the available functions.
http://www.cs.utexas.edu/users/novak/aimag83.html   (5565 words)

  
 Stat 540#3, Introduction to Lisp
Lisp evaluates a form in a direct manner, leading to a very simple syntax.
We continue with the details of Lisp, taking a close functional programming which attemps to avoid the ambiguities of assignment, building on recursion and functions that build functions.
An expression intended for evaluation, the process of determining the value of an expression.
http://www-stat.wharton.upenn.edu/~bob/stat540/class3.html   (438 words)

  
 pure_LISP reference manual
The process of program execution in LISP is called evaluation.
In pure functional programming there is no way to determine what is the order of evaluation of two expressions.
If fmod is 0, file is opened for input.
http://skelet.ludost.net/sec/reference.html   (2179 words)

  
 Lisp points to ponder
In interpreted languages it is possible to write programs which can, at execution time, construct other programs and execute them.
Define the operation `index' which has an array and an index list as parameters; the function is to return the indexed array element.
What are the appropriate problem types for using Lisp as the programming language?
http://www.cs.yorku.ca/Courses96-97/3401/lispQues.html   (451 words)

  
 [No title]
;; both pattern and expression are assumed to be Lisp lists ;; from the parser (lmath:parser) ;; Usually match won't be used by a program...
Of course, if we change the ;; data representation, this program will be harder to change as a ;; result of this decision.
;;; (b) (Blank) matches ;;; (Blank foo) matches anything with a car of foo or ;;; in the case of a match to an atom x, it will match ;;; if (typep x foo) is true, foo is in {Integer, Rational..?} ;;; (c) (Pattern x
http://www.norvig.com/ltd/test/mma-match.lisp   (2457 words)

  
 Planet Lisp
Join a research project that is developing web-accessible databases, and visualization and analysis software for the human genome project.
First, Joel lets it be known that he's tried Lisp in a Box, and has read Practical Common Lisp.
I do think the GUI environments provided by some of the commercial implementations remain superior in some ways, but even when using those implementations there are still times that it's nice to have a rich emacs interface.
http://planet.lisp.org   (5571 words)

  
 03 on Thu Jan 8 10:41:17 PST 2004
Normally a tree: An X has a Y, a Z and a W. HTML: The document has a body part and a header part.
Lexemes A language is a set of strings of lexemes.
Syntax also Describes the parsing of a string of symbols into a data structure.
http://www.csci.csusb.edu/dick/cs320/sebesta/03.html   (1419 words)

  
 Appendix 2: Intgen
Include files often define constants that we would like to have around in the Lisp world, but which are easier to initialize just by loading a text file.
This file is only generated if at least one initialization expression is encountered.
#define ToLower(c) tolower(c) /* LISP: int (TOLOWER FIXNUM) */
http://www.cs.cmu.edu/~rbd/doc/nyquist/part14.html   (952 words)

  
 [7] AutoLISP problems and bugs
In our opinion, this problem needs to be made known to all, so developers don't inadvertently assume their protected code is safe from prying eyes.
For Visual Lisp see the README.txt which lists all known bugs and limitations.
See the unofficial AutoCAD buglist compiled by Steve Johnson for more faulty AutoLISP programs and behaviours, at http://www.cadonline.com/exclusive/bugs/bugwatchlist.htm * Protected LISP Files In pre-c4a R13 protected LISP files didn't stay protected in memory.
http://www.faqs.org/faqs/CAD/autolisp-faq/part1/section-8.html   (899 words)

  
 [No title]
Arrays of pointers and unboxed numbers may be manipulated by the following functions: array[n;p;v] This function allocates a block of n+2 words, of which the first two are header information.
Array-pointers print as #n, where n is the octal representation of the pointer.
SECTION 10 ATOM, STRING, ARRAY, AND STORAGE MANIPULATION 10.1 Pnames and Atom Manipulation The term "print name" (of an atom) in LISP 1.5 referred to the characters that were output whenever the atom was printed.
http://pdp-10.trailing-edge.com/decuslib20-01/01/decus/20-0004/10lisp.tty   (2506 words)

  
 LISP atom
Two atoms that appeared in different places in source code but were written in the exact same way represented the same object, whereas each list was a separate object that could be altered independently of other lists and could be distinguished from other lists by comparison operators.
In the original LISP, the originator of the Lisp programming language family, there were two fundamental data types, atoms and lists.
A symbol was essentially a unique named item, written as an alphanumeric string in source code, and used either as a variable name or as a data item in symbolic processing.
http://www.worldhistory.com/wiki/L/LISP-atom.htm   (302 words)

  
 [No title]
Helpful Common Lisp Code for a First Order Logic Theorem Prover Computer Science CSW4701 ;For simplicity, we assume that literals are represented as ;follows: ; A positive literal is of the form (P t1 t2...
This could ;be written to work a bit faster.
To do this, you may consider defining a LISP data structure, called node, of the following form: node = (resolvent-clause C C SUBST) 1 2 In the case of axioms, or input clauses: node = (input-clause nil nil nil) When printing out the trace of the proof, trace the nodes!
http://www.cs.columbia.edu/~sal/notes/thm-prover.txt   (2892 words)

  
 t - definition by dict.die.net
This overloading of the basic constants of the language helps to make Lisp write-only code.
A Lisp compiler by Johnathan A. Rees in 1982 at Yale University.
T has static scope and is a near-superset of Scheme.
http://dict.die.net/t   (690 words)

  
 [No title]
It can also be used to describe non-list objects in LISP.
The t atom is just a convenient way to return something other than nil.
* value of t is t * We'll see that LISP is like C in this respect: any expression that is non-nil is considered "true".
http://wwwcsif.cs.ucdavis.edu/~puketza/140-SP03/Lec/lec19-lisp   (396 words)

  
 [No title]
(14 points) Copy the following LISP program and run it for different values of x.
(10 points) Write a function fringe that takes a list as argument and returns a list whose elements are all the atoms appearing in the original list or any of its sublists, arranged in left-to-right order.
(5 points) Which of the following are LISP atoms?
http://www.cs.ucdavis.edu/~vemuri/classes/ecs170/hw0_solutions.txt   (380 words)

  
 [No title]
1){ for (i =2; i<=many; i++){ lisp.delete (temp.getSymbol(), key); //delete Atom temp=(Atom) lisp.car(key); //get next Atom lisp.cons(temp.getSymbol(),DONE); //put at end of new list } } //print out new list stuff = ""; for (i=1; i<=many; i++){ temp =(Atom) lisp.car(DONE); stuff = stuff+temp.getSymbol()+" "; if (i!= many) //not quite sure why I need this.
http://www.cs.mcgill.ca/~cs250/250Web/Ass4Ans250.txt   (70 words)

  
 [No title]
For a complete list see the XLISP Reference Manual.
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http://www.mil.ufl.edu/courses/eel5840/notes/LispNot3.doc   (439 words)

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