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## Site Xml Log

Commit Date
[230679] by vvzhy

HTML Help Workshop project files for CHM creation

2006-11-12 10:02:40 Tree
[86d183] by robert_dodier

Put in link to Schelter biography at U Texas.

2006-11-12 04:17:45 Tree
[d0aa67] by robert_dodier

2006-11-12 03:43:28 Tree
[640702] by rtoy

Bug [ 965926 ] trigsimp exponentially slow on lists

Modify trigsimp3 to handle each element of the list one at a time
instead of trying to do the whole list all at once. This provide
linear growth now.

2006-11-10 21:50:48 Tree
[213b73] by rtoy

Bug [ 1469411 ] limit(t^2*exp(-4*t/3-8*exp(-t)),t,inf) is wrong
Bug [ 1594330 ] limit(x*(atan(x)-%pi/2),x,inf)

These are bugs in the L'Hospital heuristic. Maxima was sometimes
converting the form n/d to (1/d)/(1/n) which actually makes the
problem harder.

src/limit.lisp (lhop-denom):
o If the numerator has an exponential and the denominator is a
polynomial, don't invert them.
o If the denominator has an exponential and the numerator is a
polynomial, don't invert them.
o If the numerator involves asin, acos, or atan, and the denominator
or the reciprocal of the denominator is a polynomial, don't invert
them.

tests/rtest16.mac:
o Add tests for 1469411 and 1594330.

2006-11-10 19:45:32 Tree
[965960] by rtoy

Bug [ 1590528 ] Does debugmode(true) actually do anything?

src/merror.lisp:
o Remove "Quitting"
o When entering the debugger, tell user to enter :h for help

src/mdebug.lisp:
o Clean up help output so things line up nicely
o Clean up help strings so line up nicely. (Is there some other way
to do this than inserting spaces into the help strings?)

2006-11-10 16:28:53 Tree
[1629ba] by riotorto

Updating translations

2006-11-09 23:10:27 Tree
[ce0545] by riotorto

Defined 'status' function as suggested by Barton in the
mailing list (sept/25/2005) to avoid error message when

2006-11-09 22:09:08 Tree
[b804ca] by rtoy

Bug [ 626721 ] logarc of atan2 wrong

Fixed as suggested

src/logarc.lisp:
o Use suggested formula (with slight correction).

tests/rtest16.mac:

2006-11-09 14:00:24 Tree
[3de40e] by rtoy

Add tests from bug 1548643, 671574, 1152668, 593344.

2006-11-09 03:26:46 Tree
[7ff159] by rtoy

Bug [ 626697 ] limit(atan2(y,x),y,minf) => -FALSE

src/limit.lisp:
o Fixed as suggested

tests/rtest16.mac:

2006-11-09 02:58:48 Tree
[7691e2] by rtoy

o Add one more integral from bug 1073338
o Load sqdnst so we can use sqrtdenest to simplify the result of
integrate(1/((x-3)^4+1/2),x,0,1).

2006-11-08 15:41:35 Tree
[def26b] by robert_dodier

New item %i (imaginary unit). Apparently undocumented before.

2006-11-08 05:04:35 Tree
[4c468f] by dtc

* tex-bigfloat: be consistent with the output TeX case, irrespective of
the CL case mode - for the support of the Scieneer CL lower case mode and
the ACL modern mode.

2006-11-08 03:59:36 Tree
[1d3f29] by dtc

* Fix a bunch of type errors that show up when compiled with type checking
enabled on the Scieneer CL and CMU CL.

* Symbol name downcasing - for support of the Scieneer lower case mode and
the ACL modern mode.

2006-11-08 03:40:02 Tree
[0376a9] by dtc

* Symbol name downcasing - for support of the Scieneer lower case mode and
the ACL modern mode.

2006-11-08 03:37:15 Tree
[d42606] by dtc

* File new_cartan_test4.bat has been renamed to new_cartan_test4.mac.

2006-11-08 03:34:48 Tree
[cb8ab7] by dtc

* Fix some spelling typos. File cartan_init.bat has been renamed to
diff_form.mac, and new_cartan_test4.bat to new_cartan_test4.mac.

2006-11-08 03:33:57 Tree
[f7ebcf] by dtc

* Symbol case downcasing - for support of the Scieneer lower case mode and
the ACL modern mode.

2006-11-08 03:31:29 Tree
[a4ba81] by rtoy

Bug [ 1073338 ] integrate yields incorrect result on rational function

This is a workaround for this bug. We basically simplify some of the
intermediate results so that maxima doesn't get confused. I think
this is a gcd problem.

src/residu.lisp:
o For the case of simple poles, use RES1 instead of the more general
\$RESIDUE. (Workaround 1)
o In RES1, call \$RECTFORM on each pole to simplify somewhat so that
maxima doesn't get confused. (Workaround 2)

tests/rtest15.mac:
o Add a test for 1073338, but disable it for now. The integral takes
a bit of time to compute, and the result is quite messy. If
sqrtdenest were available, the result can be simplified quite a bit.

2006-11-07 15:54:11 Tree
[237207] by belanger

(inferior-maxima-wait-for-output): Avoid infinite loop by replacing
"while" by "when".
(maxima-mode): Comment out old lines.

2006-11-06 21:11:58 Tree
[ca43a2] by rtoy

src/defint.lisp
src/residu.lisp
o Update and correct some of the comments.

2006-11-06 15:28:47 Tree
[48662d] by rtoy

src/defint.lisp:
src/residu.lisp:
o Rename semirat* to *semirat*. Add defvar for *semirat*.

2006-11-06 02:51:38 Tree
[baf57f] by rtoy

src/defint.lisp: