bug#40155: closed (27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call)

[GNU bug Tracking System]

Your message dated Sat, 28 Mar 2020 14:35:03 +0100
with message-id <address@hidden>
and subject line Re: bug#40155: 27.0.90; `math-truc' called with `nil' during 
`calc-graph-fast' call 
has caused the debbugs.gnu.org bug report #40155,
regarding 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
to be marked as done.

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-- 
40155: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=40155
GNU Bug Tracking System
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
>
>
>
>
> Date: 
>
> Fri, 20 Mar 2020 21:18:35 +0100
>
>
>
>
>
> `calc-graph-fast' with key binding `g f` fails in Emacs calc when 
> applied to two vectors on the Calc stack. This happens because it 
> causes `nil` to be passed to `math-trunc' somehow. 
>
> I have this configuration to make it work for myself. It seems to 
> be plotting correctly with this change. 
>
> #+begin_src emacs-lisp
> (defun calc-math-trunc-nil-filter (arg)
>    (when (null arg)
>      (message "Warning: `math-trunc' called with `nil'."))
>    arg)
> (advice-add 'math-trunc :before-while 
> #'calc-math-trunc-nil-filter)
> #+end_src
>
>
> In GNU Emacs 27.0.90 (build 1, x86_64-pc-linux-gnu, GTK+ Version 
> 3.24.5)
> of 2020-03-02 built on vicarie
> Repository revision: fe1a447d52f548441d19af580ed11ef56d4459d2
> Repository branch: emacs-27
> Windowing system distributor 'The X.Org Foundation', version 
> 11.0.12004000
> System Description: Debian GNU/Linux 10 (buster)
>
> Recent messages:
> Git finished
> Running git push -v gitlab refs/heads/master:refs/heads/master
> Git finished
> Unbound suffix: ‘- e’ (Use ‘C-g’ to abort, ‘?’ for help) [nil]
> Running git push -v github master:master
> Mark set
> Git finished
> Mark saved where search started
> Loading /home/narendraj9/.emacs.d/calc.el (source)...done
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>
> Features:
> (shadow sort gnus-config gnus-agent gnus-srvr gnus-score 
> score-mode
> nnvirtual gnus-cache nnir smtpmail gnus-async nntp gnus-msg 
> gnus-art
> mm-uu mml2015 mm-view mml-smime smime dig bbdb-gnus bbdb-mua 
> bbdb-com
> counsel-bbdb bbdb bbdb-site timezone mail-extr emacsbug sendmail
> calc-ext calc-menu calc-misc calc calc-loaddefs calc-macs 
> symbol-overlay
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> magit-merge magit-branch magit-reset magit-files magit-refs 
> magit-status
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> smerge-mode
> diff magit-core magit-autorevert magit-margin magit-transient
> magit-process magit-mode git-commit magit-git magit-section 
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> crm log-edit pcvs-util add-log with-editor typo projectile grep 
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> erc-list
> erc-menu erc-ring erc-pcomplete erc-button erc-fill erc-stamp
> erc-netsplit erc-autoaway erc-notify erc-desktop-notifications
> erc-spelling erc-config erc-services erc-networks erc-track 
> erc-match
> erc-join erc-goodies erc erc-backend erc-compat erc-loaddefs
> aggressive-indent paredit eval-sexp-fu highlight flyspell ispell
> cap-words superword subword whitespace recentf bookmark+ 
> bookmark+-key
> bookmark+-1 thingatpt+ gnus-sum shr svg dom gnus-group gnus-undo
> gnus-start gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo
> gnus-spec gnus-int gnus-range message rfc822 mml mml-sec epa 
> derived epg
> epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231 
> mailabbrev
> gmm-utils mailheader gnus-win gnus nnheader gnus-util rmail
> rmail-loaddefs rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
> bookmark+-bmu org-config org-blog ox-rss ox-gfm ox-md ox-odt 
> rng-loc
> rng-uri rng-parse rng-match rng-dt rng-util rng-pttrn nxml-parse 
> nxml-ns
> nxml-enc xmltok nxml-util ox-latex ox-icalendar ox-html table 
> ox-ascii
> ox-publish ox org-element avl-tree org-attach org-id org-clock 
> org-habit
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> ob-gnuplot
> ob-ruby ob-R ob-ipython python tramp-sh ob-python ob-lisp ob-sql
> ob-ditaa picture org-agenda counsel xdg swiper ag vc-svn 
> find-dired
> dired-x dired dired-loaddefs org ob ob-tangle ob-ref ob-lob 
> ob-table
> ob-exp org-macro org-footnote org-src ob-comint org-pcomplete 
> org-list
> org-faces org-entities org-version ob-emacs-lisp ob-core ob-eval
> org-table ol org-keys org-compat org-macs org-loaddefs cal-menu 
> calendar
> cal-loaddefs bookmark+-lit bookmark+-mac bookmark 
> text-property-search
> pp view alert log4e notifications dbus xml gntp secrets 
> quoted-scratch
> pulse wrap-region crux tramp tramp-loaddefs trampver 
> tramp-integration
> files-x tramp-compat shell pcomplete parse-time iso8601 time-date
> ls-lisp volatile-highlights company-statistics init midnight 
> server
> git-timemachine transient vc-git diff-mode pos-tip info-lookmore
> info-look cc-config lsp-ui-flycheck lsp-ui-doc goto-addr 
> lsp-ui-imenu
> lsp-ui-peek lsp-ui-sideline lsp-ui company-lsp helm helm-source
> eieio-compat helm-multi-match helm-lib async-bytecomp async 
> lsp-java
> request autorevert mail-utils url url-proxy url-privacy url-expand
> url-methods url-history url-cookie url-domsuf mailcap lsp lsp-mode
> yasnippet-snippets yasnippet url-util tree-widget wid-edit spinner
> network-stream puny nsm rmc markdown-mode thingatpt bicycle 
> hideshow
> noutline outline inline ht filenotify ewoc em-glob esh-util
> dash-functional compile comint bindat cc-mode cc-fonts cc-guess 
> cc-menus
> cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs ivy-hydra ivy 
> colir
> color ivy-overlay smex ido delsel flycheck ansi-color find-func rx
> smart-jump dumb-jump popup f which-func imenu company-oddmuse
> company-keywords company-etags etags fileloop generator xref 
> project
> company-gtags company-dabbrev-code company-dabbrev company-files
> company-capf company-cmake company-xcode company-clang 
> company-semantic
> company-eclim company-template company-bbdb company winner 
> eyebrowse
> format-spec dash saveplace which-key goto-line-preview vcursor 
> savehist
> hydra ring lv region-bindings-mode paren battery time
> minibuffer-command-history mb-depth win-switch windmove appearance
> mode-line-config jazz-theme no-littering defs s repeat posframe 
> cl-extra
> help-mode auto-compile packed benchmark-init advice diminish 
> use-package
> pcase cl bind-key easy-mmode finder-inf tex-site kotl-autoloads
> proof-site proof-autoloads slime-autoloads edmacro kmacro info 
> package
> easymenu browse-url url-handlers url-parse auth-source cl-seq 
> eieio
> eieio-core cl-macs eieio-loaddefs password-cache json subr-x map
> url-vars seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs 
> cl-lib
> tooltip eldoc electric uniquify ediff-hook vc-hooks 
> lisp-float-type
> mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset 
> image
> regexp-opt fringe tabulated-list replace newcomment text-mode 
> elisp-mode
> lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow 
> isearch
> timer select scroll-bar mouse jit-lock font-lock syntax facemenu
> font-core term/tty-colors frame minibuffer cl-generic cham 
> georgian
> utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
> japanese eucjp-ms cp51932 hebrew greek romanian slovak czech 
> european
> ethiopic indian cyrillic chinese composite charscript charprop
> case-table epa-hook jka-cmpr-hook help simple abbrev obarray
> cl-preloaded nadvice loaddefs button faces cus-face macroexp files
> text-properties overlay sha1 md5 base64 format env code-pages mule
> custom widget hashtable-print-readable backquote threads dbusbind
> inotify lcms2 dynamic-setting system-font-setting 
> font-render-setting
> move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)
>
> Memory information:
> ((conses 16 949033 142414)
> (symbols 48 65281 11)
> (strings 32 281662 23502)
> (string-bytes 1 9123122)
> (vectors 16 110308)
> (vector-slots 8 2095071 206222)
> (floats 8 916 1451)
> (intervals 56 4332 1744)
> (buffers 1000 41))
>
> --
> Narendra Joshi
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call 
>
>
>
>
> Date: 
>
> Sat, 28 Mar 2020 14:35:03 +0100
>
>
>
>
> 27 mars 2020 kl. 21.54 skrev Narendra Joshi <address@hidden>:
>
> > Thanks for the explanation. The patch fixes the original issue and
> > other calculations I tried didn't seem to be affected.
>
> Much appreciated -- pushed to emacs-27.
>
> > I found out that `calc` doesn't set the LineStyles (and maybe
> > PointStyles as well but I am not sure how to hand those over to
> > gnuplot command) properly for the gnuplot command. I think it should
> > do something similar to the patch I have attached.
>
> Thank you, but I'm not sure if it's quite that easy. The function 
> (calc-graph-set-styles) seems to parse a plot command in order to modify it. 
> Has this code never worked, or is it just Gnuplot's syntax that has changed?
>
> In any case, I'm closing this bug since the math-trunc error is fixed. You can 
> open a separate bug for the LineStyles and PointStyles problems, and describe 
> what it's all about.
>
>
>
> --- End Message ---