Update Maxima to version 5.24.0

Maxima 5.24 change log

New items in core:
 * function defstruct: documentation

New items in share:
 * package lapack: function dgemm (matrix multiplication)
 * package fractals: documentation
 * package finance: documentation

Other changes:
 * elliptic functions: bug fixes
 * integration: apply trigonometric identities for some special cases
 * improve TeX output for conditional expressions
 * more work on German translation of reference manual
 * regularize error messages and prepare for translation
 * remove unused functions and variables
 * XMaxima user interface: bug fixes and improvements
 * package draw: bug fixes, pngcairo output
 * package noninteractive: bug fixes
 * package clebsch_gordan: new version
 * package graphs: updates
 * package ezunits: updates

Bug fixes:

3211937  wrong sign for integral of e^(-1/x^2)
3199708  integrate(sin(2x)atan(sin(x)),x)
3198530  Apparently wrong limit with factorial
3181353  Documentation of "at" misleading
3165872  integrate(abs(sin(x)),x,0,2*%pi) wrong result
3158526  integrate(x^2*exp(x)/(1+exp(x))^2,x , minf, inf);
3154534  need local declaration in antid.mac
3154351  abs_integrate --> errors from apply
3153533  incorrect integration
3153506  typo in antid / FIX
3153170  abs_integrate + composisiton of unit step
3153169  abs_integrate of unit step
3138054  bfloat problem / FIX
3133916  scanmap(minfactorial,a!) infinite loop
3131324  simplification of sqrt
3067098  The command timer for a Lisp function
2808179  maxima.el inferior-maxima-complete on Emacs 23
1285104  trigsimp and trigreduce & square roots
 917283  Comment syntax confused
  unnumbered: lisp (gcl?) being unable to read 1.79769d308
  unnumbered: draw2d(explicit(321.4567,x,0,1)) causing hang
  unnumbered: plotting functions by name
  unnumbered: asinh and atanh are increasing odd functions
  unnumbered: bad interaction of rassociative and tellsimp

Maxima 5.23 change log

Backwards-incompatible changes:
 * package draw: changed names of some options:
     file_bgcolor --> background_color
     pic_width, pic_height, eps_width, eps_height, pdf_width, pdf_height --> dimensions
     rot_horizontal, rot_vertical --> view

New items in core:
 * function bf_find_root: bigfloat version of find_root
 * function find_root: recognize keyword arguments

New items in share:
 * package cobyla: import Fortran COBYLA (constrained optimization)
 * package draw: new graphic objects 'errors' and 'region'

Other revisions:
 * further work on exponential integrals
 * further work on abs and signum identities
 * further work on special cases in integration
 * translation of reference manual to German (ongoing)
 * clean-up in code related to processing files
 * general code clean-up
 * package ezunits: additional built-in conversions

Bug fixes:

3114834  maxima-help does not find help topics
3111568  subsequent calls to gradef hide variable dependencies
3102421  noninteractive-mode and kill(all)
3101075  limit bug
3093408  Bug in simplify_sum
3085498  integration error (partial solution)
3081820  lbfgs causes error
3080397  laplace(unit_step(-t),t,s) generates an error
3079975  rectform(atan2(y,0)) -> division by zero
3073827  integrate(t*cos(a*t^2 + b*t + c), t, 0, 1) => division by 0
3072490  contrib diag.mac variable scope
3071208  rtest15--limit to inf from above
3067311  eivects doesn't load eigen automatically
3064709  domain error for tan
3062883  diff does not recognize indirect dependencies in expressions
3060669  filename_merge with more than two arguments
3060166  und documentation is incorrect
3058324  $save must bind *print-circle* to NIL
3058290  tan(%pi*integer) simplification
3055427  conjugate solver
3045559  integrate(exp(-u^2), u, minf, x) => incorrect gamma_incomple
3041267  jacobi_cs(x,1) returns a wrong expression
3041196  carg(exp(x+%i*y)) -> y not correct
3040667  logarc(acosh(z)) needlessly complicated
3039452  integrate(sqrt(t^c)/(t*(b*t^c+a)),t) hangs
3038883  In general exp(z)^a --> exp(z*a) not correct
3034415  integrate(1/abs(x),x) using abs_integrate
3024924  list_matrix_entries
3020589  xlabel and ylabel don't change plot3d axis labels
3020243  defint(exp(cos(x))*cos(sin(x)),x,0,2*%pi) wrong result 0
2997443  ic2 fails
2970792  gradef(s) together with vect package
2881021  ic2 and bc2 may return incorrect results (solution suggeste)
2796194  error doing a Fourier transform.
2727846  tan(%pi/2) is not correct (or just not nice?)
2555641  no doc for subnumsimp
2541376  antidiff bug
2171237  load(basic) warnings
2123651  min and max of imaginary and real numbers
1993208  cartesian_product incorrect on empyt argument list
1990099  wrong integer_partitions(0)
1892341  taylor message about something assumed to be 0 in integral
1890128  no user doc for cauchy_matrix
1839088  ic2 fails with division by 0
1789213  ic1 for solution containing indefinite integral
1439559  function burn is broken
1213621  reveal with matrix argument
1149719  ratvarswitch not documented
1045920  a>1 and b>1, is a+b>2?
 875089  defint(f(x)=g(x),x,0,1) -> false = false
 767338  Evaluation of array names
 703789  save() doesn't return a pathname
(unnumbered)  integrate(cos(2*x)*cos(x),x) is wrong.


(asau)