* bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
@ 2020-03-20 20:18 Narendra Joshi
2020-03-27 17:37 ` Mattias Engdegård
0 siblings, 1 reply; 5+ messages in thread
From: Narendra Joshi @ 2020-03-20 20:18 UTC (permalink / raw)
To: 40155
`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
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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
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hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-R
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-clojure
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/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ol-gnus
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/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-version
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-version
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-plot
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-plot
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-keys
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-keys
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-calc
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-calc
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-lilypond
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-lilypond
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-entities
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-entities
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-awk
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-awk
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ox-texinfo
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ox-texinfo
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-footnote
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-footnote
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-crypt
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-crypt
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-inlinetask
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-inlinetask
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-processing
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-processing
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-ctags
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-ctags
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-duration
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-duration
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-forth
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-forth
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-ref
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-ref
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-id
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-id
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-tempo
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-tempo
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-makefile
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-makefile
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ol-info
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ol-info
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-goto
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-goto
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-eval
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-eval
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob
hides /home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ol-bibtex
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ol-bibtex
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ob-groovy
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ob-groovy
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/ox-ascii
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/ox-ascii
/home/narendraj9/.emacs.d/packages/elpa/org-plus-contrib-20200309/org-install
hides
/home/narendraj9/.local/share/emacs/27.0.90/lisp/org/org-install
Features:
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nnvirtual gnus-cache nnir smtpmail gnus-async nntp gnus-msg
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request autorevert mail-utils url url-proxy url-privacy url-expand
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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
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color ivy-overlay smex ido delsel flycheck ansi-color find-func rx
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company-keywords company-etags etags fileloop generator xref
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url-vars seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs
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image
regexp-opt fringe tabulated-list replace newcomment text-mode
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isearch
timer select scroll-bar mouse jit-lock font-lock syntax facemenu
font-core term/tty-colors frame minibuffer cl-generic cham
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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
^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
2020-03-20 20:18 bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call Narendra Joshi
@ 2020-03-27 17:37 ` Mattias Engdegård
2020-03-27 20:54 ` Narendra Joshi
0 siblings, 1 reply; 5+ messages in thread
From: Mattias Engdegård @ 2020-03-27 17:37 UTC (permalink / raw)
To: Narendra Joshi; +Cc: 40155
[-- Attachment #1: Type: text/plain, Size: 738 bytes --]
Thanks for the report. Explanation:
The graph code does
(and (Math-num-integerp lstyle) (math-trunc lstyle))
but Math-num-integerp returns true for nil, and math-trunc returns the argument if it satisfies Math-integerp, which used to return true for nil as well. Thus, the expression above 'works' (ie, returns nil) when lstyle is nil as well.
However, Math-integerp was changed in Emacs 27 to use native bignums, and no longer returns true for nil, resulting in the error. Changing Math-num-integerp to return false for nil would make the code work again, this time in the way originally intended.
Would you try this patch? (Please try various other operations as well, in case the change had unintended consequences.)
[-- Attachment #2: 0001-Calc-don-t-treat-nil-as-an-integer-bug-40155.patch --]
[-- Type: application/octet-stream, Size: 1965 bytes --]
From c2b8ce4439935e2e158d4357d234135a251c5767 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mattias=20Engdeg=C3=A5rd?= <mattiase@acm.org>
Date: Fri, 27 Mar 2020 18:11:18 +0100
Subject: [PATCH] Calc: don't treat nil as an integer (bug#40155)
Make Math-num-integerp return false for nil, following Math-integerp
which was changed in the bignum reform. This fixes a crash in
calc-graph-fast.
Reported by Narendra Joshi.
* lisp/calc/calc-macs.el (Math-num-integerp): Not true for nil.
* test/lisp/calc/calc-tests.el (calc-Math-integerp): New tests.
---
lisp/calc/calc-macs.el | 5 +++--
test/lisp/calc/calc-tests.el | 11 +++++++++++
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/lisp/calc/calc-macs.el b/lisp/calc/calc-macs.el
index e73d108e6d..257d369b87 100644
--- a/lisp/calc/calc-macs.el
+++ b/lisp/calc/calc-macs.el
@@ -161,8 +161,9 @@ Math-primp
hms date mod var))))
(defsubst Math-num-integerp (a)
- (or (not (consp a))
- (and (eq (car a) 'float)
+ (or (integerp a)
+ (and (consp a)
+ (eq (car a) 'float)
(>= (nth 2 a) 0))))
(defsubst Math-equal-int (a b)
diff --git a/test/lisp/calc/calc-tests.el b/test/lisp/calc/calc-tests.el
index 784b404898..8fffb7c14b 100644
--- a/test/lisp/calc/calc-tests.el
+++ b/test/lisp/calc/calc-tests.el
@@ -334,6 +334,17 @@ calc-poly-div
(should (equal tos '(- (* 2 (var x var-x)) 4)))
(should (equal trail "pdiv 2 * x - 4\nprem 8 * x + 1\n"))))))
+(ert-deftest calc-Math-integerp ()
+ (should (Math-integerp -7))
+ (should (Math-integerp (ash 1 65)))
+ (should-not (Math-integerp '(float 1 0)))
+ (should-not (Math-integerp nil))
+
+ (should (Math-num-integerp -7))
+ (should (Math-num-integerp (ash 1 65)))
+ (should (Math-num-integerp '(float 1 0)))
+ (should-not (Math-integerp nil)))
+
(provide 'calc-tests)
;;; calc-tests.el ends here
--
2.21.1 (Apple Git-122.3)
^ permalink raw reply related [flat|nested] 5+ messages in thread
* bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
2020-03-27 17:37 ` Mattias Engdegård
@ 2020-03-27 20:54 ` Narendra Joshi
2020-03-28 13:35 ` Mattias Engdegård
0 siblings, 1 reply; 5+ messages in thread
From: Narendra Joshi @ 2020-03-27 20:54 UTC (permalink / raw)
To: Mattias Engdegård; +Cc: 40155
[-- Attachment #1: Type: text/plain, Size: 1249 bytes --]
Hi Mattias,
Thanks for the explanation. The patch fixes the original issue and
other calculations I tried didn't seem to be affected.
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.
Best,
Narendra
On Fri, Mar 27, 2020 at 6:37 PM Mattias Engdegård <mattiase@acm.org> wrote:
>
> Thanks for the report. Explanation:
>
> The graph code does
>
> (and (Math-num-integerp lstyle) (math-trunc lstyle))
>
> but Math-num-integerp returns true for nil, and math-trunc returns the argument if it satisfies Math-integerp, which used to return true for nil as well. Thus, the expression above 'works' (ie, returns nil) when lstyle is nil as well.
>
> However, Math-integerp was changed in Emacs 27 to use native bignums, and no longer returns true for nil, resulting in the error. Changing Math-num-integerp to return false for nil would make the code work again, this time in the way originally intended.
>
> Would you try this patch? (Please try various other operations as well, in case the change had unintended consequences.)
>
[-- Attachment #2: 0001-Fix-setting-linestyle-in-calc-graph-fns.patch --]
[-- Type: text/x-patch, Size: 861 bytes --]
From 1f40f23df71946fbed75881c6dca54eda94702c2 Mon Sep 17 00:00:00 2001
From: Narendra Joshi <narendraj9@gmail.com>
Date: Fri, 27 Mar 2020 21:51:09 +0100
Subject: [PATCH] Fix setting linestyle in calc-graph fns.
---
lisp/calc/calc-graph.el | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 4cdfdbd4b9..be0e133c9c 100644
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -1139,7 +1139,7 @@ calc-graph-set-styles
(if (and lstyle (> lstyle 0)) (int-to-string lstyle) "1")
" " (int-to-string pstyle))
(if (and lstyle (> lstyle 0))
- (insert " " (int-to-string lstyle)))))))
+ (insert " ls " (int-to-string lstyle)))))))
(calc-graph-view-commands))
(defun calc-graph-zero-x (flag)
--
2.20.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
2020-03-27 20:54 ` Narendra Joshi
@ 2020-03-28 13:35 ` Mattias Engdegård
2020-03-28 13:58 ` Narendra Joshi
0 siblings, 1 reply; 5+ messages in thread
From: Mattias Engdegård @ 2020-03-28 13:35 UTC (permalink / raw)
To: Narendra Joshi; +Cc: 40155-done
27 mars 2020 kl. 21.54 skrev Narendra Joshi <narendraj9@gmail.com>:
> 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.
^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call
2020-03-28 13:35 ` Mattias Engdegård
@ 2020-03-28 13:58 ` Narendra Joshi
0 siblings, 0 replies; 5+ messages in thread
From: Narendra Joshi @ 2020-03-28 13:58 UTC (permalink / raw)
To: Mattias Engdegård; +Cc: 40155-done
Thanks Mattias. I think it never worked because the code is supposed
to add "ls <the number stored in LineStyles variable" into the buffer
but there seems to be no place which adds "ls" to the command. I will
open a new bug report for this.
Best,
Narendra
On Sat, Mar 28, 2020 at 2:35 PM Mattias Engdegård <mattiase@acm.org> wrote:
>
> 27 mars 2020 kl. 21.54 skrev Narendra Joshi <narendraj9@gmail.com>:
>
> > 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.
>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-03-28 13:58 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-03-20 20:18 bug#40155: 27.0.90; `math-truc' called with `nil' during `calc-graph-fast' call Narendra Joshi
2020-03-27 17:37 ` Mattias Engdegård
2020-03-27 20:54 ` Narendra Joshi
2020-03-28 13:35 ` Mattias Engdegård
2020-03-28 13:58 ` Narendra Joshi
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