-
-12/16/2019
-
- - Updated writeup and grade directory to match the default puzzle set.
- Thanks to Chen Su
-
-
-11/1/2018
-
- - Corrected a header comment in the satAdd puzzle.
- Thanks to Prof. Hugh Lauer, Justin Aquilante, and Nick Krichevsky, WPI.
-
-
-10/24/2018
-
- - Fixed a build bug in the BDD checker.
-
-
-10/23/2018
-
- - Added some new puzzles, fixed a typo in the comment for the
- rotateRight puzzle, and fixed a build bug in an earlier version.
-Thanks to Prof. Hugh Lauer, WPI, for identifying the build bug.
-Thanks to Prof. Bryan Dixon, Cal State Chico, for identifying the rotateRight typo.
-
-
-5/4/2016
-
-- Added the -std=gnu89 flag to the dlc Makefile so that gcc 5 will correctly
-compile dlc (addresses a constraint on inline functions introduced in gcc 5).
-Thanks to Prof. Branch Archer, West Texas A&M University.
-
-
-2/17/2016
-
-- Added a note to the README that bison and flex must be installed in order to rebuild dlc.
-Thanks to Prof. Michael Ross, Portland Community College.
-
-
-9/16/2014
-
-- Applied patch to the ANSI C grammar for dlc to accomodate stricter type rules in more recent versions of bison.
-
- Eliminated unneccessary calls to bison and flex in the dlc Makefile.
-Thanks to Prof. Robert Marmorstein, Longwood University.
-
-
-9/2/2014
-
-- Fixed bug in grade/grade-datalab.pl autograding script.
-
-
-1/30/2014
-
-- Fixed comment in code for logicalShift to indicate that '!'
-is an allowed operator.
-Thanks to Prof. Aran Clauson of Western Washington University
-
-
-9/19/2012
-
-- Fixed bug in line 147, btest.c: incorrect initial value for NaN.
-Thanks to Prof. Cary Gray, Wheaton College
-
-
-4/26/2012
-
-- Added a clarifying note to the main README file reminding
-instructors that, because there are different versions of dynamic libraries,
-Linux binaries such as dlc are not necessarily portable
-across different Linux platforms.
-Thanks to Prof. Hugh Lauer, Worcester Polytechnic Institute
-
-
- Cleaned up some compiler warnings in the
-isLessOrEqual.c and isPositive.c puzzle solutions
-
-
-8/22/2011
-
-
-- Modified the "start" rule in Makefile to touch the log.txt file
-before starting up the lab daemons, so that an empty scoreboard is
-created initially. Thanks to Prof. Godmar Back, Virginia Tech.
-
-
-
-5/31/2011
-
-- For fun, we've added an optional user-level HTTP-based "Beat the
-Prof" contest that replaces the old email-based version. The new
-contest is very simple to run, is completely self-contained,
-and does not require root
-password. The only requirement is that you have a user account on a
-Linux machine with an IP address.
-
-
- Corrected a few minor typos in various README files.
-
-
-1/2/2011
-This is a major update of the Data Lab:
-
-- Introduced floating-point puzzles.
-
-
- Added many new integer puzzles (There are now 73 puzzles total).
-
-
- Made significant improvements to btest. It now does
-millions of tests for each puzzle, checking wide swaths around Tmin,
-0, denorm-normalized boundary, and inf. Also added support for
-floating-point puzzles.
-
-
- Added support for floating-point puzzles to dlc.
-
-
- Added a new autograder called driver.pl that uses
-dlc and btest to check for correctness and
-conformance to the coding guidelines.
-
-
- Top-level directory now conforms to the CS:APP convention of putting all source files in the ./src directory.
-
-
- In driver.pl, replaced "the cp {f1,f2,..,fn} target" notation,
-which some shells don't handle, with the more portable "cp f1 f2 ... fn target" form.
-
-
- The lab writeup is longer included in the
-datalab-handout directory, to allow instructors greater
-flexibility in distributing and updating the writeup while the lab is
-being offered.
-
-
-
-8/29/2003
-
-- Fixed a minor bug that caused btest to test the
-tc2sm puzzle with an input of Tmin, which isn't defined
-in sign-magnitude.
-
-
-1/27/2003
-
-- More operator-efficient solution to the isPower2.c
-puzzle. Thanks to Al Davis, Univ of Utah.
-
- The selections-all.c file now lists all 41 puzzles.
-
-
-9/26/2002
-
-- Now includes a prebuilt Linux/IA32 binary for the dlc compiler.
-
- Fixes a bug (an uninitialized stack variable) that
-caused "dlc -Z" to crash on some systems.
-
-
- Contains some new scripts for running an interactive
-"Beat the Prof" contest ,
-where students try to outperform the
-instructor's (intentionally non-optimal) solution.
-
-
-6/3/2002
-
-
-
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