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ChangeLog-5.43.md

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Maxima 5.43 change log

New items in core:

  • function cartesian_product_list: Cartesian product of lists.

  • function garbage_collect: trigger Lisp garbage collector.

  • variables maxima_frontend, maxima_frontend_version: inform build_info which user interface is in use.

New items in share:

  • killing.dem: a demo for Killing vector fields.

  • package logic: new function logic_simplify implements K-Map reduction (Quine-McCluskey algorithm)

Changes in core:

  • function to_cl: now autoloaded.

  • package linearalgebra: autoload all functions.

  • function run_testsuite: summary now not only tells which unexpectedly failed, but also which ones unexpectedly passed.

  • series expansion for expintegral_si and gamma_incomplete; breaks some existing tests, see commit 47a6afd.

  • function translate: generate code which translates conditional expressions with prederror = true

Changes in share:

  • package gentran: new version (thanks to Michael Stern)

  • package simplex: improvements, including symbolic inputs.

  • package ode: test cases.

  • package odepack: works with ECL.

  • package lapack: works with ECL.

  • package sarag: fix missing definition of SQUARE_FREE_ALGORITHM.

  • package sarag: make certificate proof more explicit (verify certificate)

  • share test suite: include tests for packages lapack, sym, and ode.

  • share test suite: a few simple tests for package odepack.

  • ezunits: conversion rule for nondimensional/(sum of dimensional)

  • ezunits: 0 now can have a dimension.

  • package draw: accepts color index number 0, 1, 2, ... 17.

  • package draw: accepts plot titles which are not strings.

  • package wrstcse: improved range and resolution of Monte Carlo analysis.

User interfaces:

  • SF Patch #88: Emaxima now correctly expands tabs in the comint buffer of emacs.

Bug fixes:

  • #3549: "patch to mmref, and removing mmref.tex and maxima_pdf.texi from info directory"
  • #3532: "Integrator doesn't use a new variable internally, causing facts on the original variable to be used for the substitution variable"
  • #3529: "crash with gcl due to wrong maxima startup script"
  • #3524: "Discrepancy in intromax"
  • #3514: "ECL: Marking rtest16/test step 50 as "known bad" doesn't work"
  • #3497: "ctensor documentation on the Ricci tensor is inconsistent"
  • #3496: "Hardcoded interpreter path in doc/info/build_index.pl causes build fail on FreeBSD"
  • #3494: "vector.dem is broken"
  • #3484: "taylor of expintegral_si is wrong"
  • #3470: "Error in maximize_lp "
  • #3463: "Documentation: mention parameter epsilon_lp more explicitly in documentation for minimize_lp"
  • #3459: "Wrong limit calculation"
  • #3412: "Bug when translating functions that contain an "if" (in my case an implicit if)"

Unnumbered bugs:

  • mailing list 2019-05-11: "Problems with gramschmidt"
  • mailing list 2019-05-06: "problem with elem() after kill(all)"
  • mailing list 2019-04-02: "maxima lists"
  • mailing list 2019-03-08: "GCL build broken".
  • mailing list 2019-03-08: "batch overwrites last output line"
  • mailing list 2019-03-06: "the share testsuite + MAXIMA:$RESULTANT is undefined errors"
  • mailing list 2018-12-03: "error in compiling function with global variable"
  • mailing list 2018-11-01: "radcan(sqrt(-1/(sqrt(-3)+1))*sqrt(2))"
  • commit c164f5f: SIMPEXPT was marking unsimplified expressions with SIMP
  • commit 61c71db: Fix siemens/sievert typo (ezunits)

Build system:

  • Crosscompiling: Add 'maxima_longnames.c' to automake

  • configure: enable build with ABCL via --enable-abcl.

  • Windows installer: can now include ABCL.

  • Windows installer: updated external utilities.

  • Windows installer: updated wxMaxima version.

  • "make check" manipulates the list of tests now in a more canonical way in order to automatically run the interactive tests, as well.

  • ./configure --enable-quiet-build now muffles more warnings.

  • build documentation using the standard makeinfo tools.

  • maxima-sbcl now supports non-ASCII user names and install dirs on MacOs and MS Windows

  • "make install" now installs emaxima and imaxima in a place emacs will find by default. configure's --emacs-prefix= option allows to choose a different directory.

Documentation:

  • ./update_examples now interprets lines beginning with the string "input:" as text that should be sent as input.

Runtime:

  • environment variable MAXIMA_DOC_PREFIX overrides the location the documentation is searched for.

  • environment variable GCL_DISABLE_MULTIPROCESS_MEMORY_POOL disables memory-sharing between GCL-compiled Maxima processes.

  • Maxima.bat now autodetects 64-bit systems and does the necessary modifications for making lapack work in SBCL if this test is positive.