Release notes for PG 2.2.1

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This article has been retained as a historical document. It is not up-to-date and the formatting may be lacking. Use the information herein with caution.

Contents

Introduction

The WeBWorKTeam is pleased to announce the release of PG 2.2.1. This release builds on PG 2.2.0, adding several bug fixes and low-impact feature enhancements.

  • Change check for zero from fuzzy check to strict check (when the problem used absolute tolerances, in particular, this can cause big problems).
  • Fixed a bug in variable_cmp caused by changes to AnswerChecker.
  • Fixed a problem with ans_array processing caused by an autovivfied context field in Value objects.
  • Fixed a bug that caused an error when a Complex1 object was passed to the answer checker for complex numbers.
  • Fixed a problem where a pink screen error was produced if a student entered a vector-valued formula rather than a constant vector when parallel answers are being checked and the student used the Preview button to submit the answer.

Availability

PG is distributed as a tarball. It is available on our SourceForge project page:
http://sourceforge.net/project/showfiles.php?group_id=93112

Installing directly from CVS is also possible. Refer to the InstallationManualV2pt2 for more information.

Installation

Documentation on installing and configuring PG is available in the WeBWorK InstallationManualV2pt2. If you are upgrading an existing installation, be sure to read the section Upgrading an existing WeBWorK installation.

Help

If you need help installing or using PG 2.2.1, visit the WeBWorK discussion group and post your question there. The developers monitor this forum.

Bug Reports & Feature Requests

Please submit bug reports and feature requests at http://bugs.webwork.rochester.edu/.

-- Main.SamHathaway - 21 Mar 2006

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