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Revision 2696 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sat Aug 28 12:34:56 2004 UTC (15 years, 3 months ago) by dpvc
File length: 10043 byte(s)
Diff to previous 2678
Improved TeX and string output in a number of situations.  Improved
use of parentheses to avoid things like x+-3.  Fixed wrong parentheses
in powers.  Display (sin(x))^2 as sin^2(x) in TeX output.

Revision 2678 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Mon Aug 23 23:55:37 2004 UTC (15 years, 3 months ago) by dpvc
File length: 9866 byte(s)
Diff to previous 2671
Modified the parser so that the classes for the various object
constructors are stored in the context table rather than hard-coded
into the parser.  That way, you can override the default classes with
your own.  This gives you even more complete control to modify the
parser.  (You had been able to replace the definitions of operators,
functions and list-like objects, but could not override the behaviour
of numbers, strings, variables, and so on.  Now you can.)

This effects most of the files, but only by changing the name of the
calls that create the various objects.

There are also a couple of other minor fixes.

Revision 2671 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sun Aug 22 21:18:06 2004 UTC (15 years, 3 months ago) by dpvc
File length: 9690 byte(s)
Diff to previous 2615
Fixed some inconsistencies between handing of matrices within the
parser and Value packages.  Added a predefined Matrix context.

Revision 2615 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sat Aug 14 21:27:45 2004 UTC (15 years, 4 months ago) by dpvc
File length: 9500 byte(s)
Diff to previous 2612
*** empty log message ***

Revision 2612 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sat Aug 14 19:29:42 2004 UTC (15 years, 4 months ago) by dpvc
File length: 9473 byte(s)
Diff to previous 2605
Fixed some bugs in the handle of the context in ->string and ->TeX
methods of Value objects.

Revision 2605 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sat Aug 14 02:50:18 2004 UTC (15 years, 4 months ago) by dpvc
File length: 9551 byte(s)
Diff to previous 2558
Incorporated infinities into Parser package better.  They have been
stored as String objects (with extra data) in the parser, and I've
left it that way, but now they convert to/from Vallue::Infinity
objects correctly, and these are used for generating the output.

Also added the Infinity answer checker, and adjusted the error
messages produces by type mismatches in the answer checkers and
elsewhere.

Revision 2558 - (view) (download) (as text) (annotate) - [select for diffs]
Added Wed Jul 28 20:32:33 2004 UTC (15 years, 4 months ago) by sh002i
File length: 9196 byte(s)
merged changes from rel-2-1-a1 -- stop using that branch.

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