From: Leonidas Tsampros <ltsampros@upnet.gr>
To: 15065@debbugs.gnu.org
Subject: bug#15065: guile version 2.0 crashes with a really small number after vm stack overflow error
Date: Sat, 10 Aug 2013 00:09:39 +0300 [thread overview]
Message-ID: <87eha2tvu4.fsf@kepler.lan> (raw)
Transcript from crash session:
$ guile
GNU Guile 2.0.9-deb+1-1
Copyright (C) 1995-2013 Free Software Foundation, Inc.
Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.
Enter `,help' for help.
scheme@(guile-user)> (define (cube x)
(* x x x))
scheme@(guile-user)> (define (sum term a next b)
(if (> a b)
0
(+ (term a)
(sum term (next a) next b))))
scheme@(guile-user)> (define (integral f a b dx)
(define (add-dx x) (+ x dx))
(* (sum f (+ a (/ dx 2.0)) add-dx b)
dx))
scheme@(guile-user)> (integral cube 0.0 1.0 0.01)
$1 = 0.24998750000000042
scheme@(guile-user)> (integral cube 0.0 1.0 0.001)
$2 = 0.249999875000001
scheme@(guile-user)> (integral cube 0.0 1.0 0.0001)
<unnamed port>:1:0: In procedure cube:
<unnamed port>:1:0: Throw to key `vm-error' with args `(vm-run "VM: Stack overflow" ())'.
Entering a new prompt. Type `,bt' for a backtrace or `,q' to continue.
scheme@(guile-user) [1]> ,q
scheme@(guile-user)> (integral cube 0.0 1.0 0.000001)
Aborted
$ guile -v
guile (GNU Guile) 2.0.9-deb+1-1
Copyright (C) 2013 Free Software Foundation, Inc.
License LGPLv3+: GNU LGPL 3 or later <http://gnu.org/licenses/lgpl.html>.
This is free software: you are free to change and redistribute it.
$ dpkg -l | grep -i guile
ii guile-2.0 2.0.9+1-1 amd64 GNU extension language and Scheme interpreter
ii guile-2.0-doc 2.0.9+1-1 all Documentation for Guile 2.0
ii guile-2.0-libs 2.0.9+1-1 amd64 Core Guile libraries
$ ./config.guess
x86_64-unknown-linux-gnu
$ uname -a
Linux kepler 3.9-1-amd64 #1 SMP Debian 3.9.8-1 x86_64 GNU/Linux
Thanks
next reply other threads:[~2013-08-09 21:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-09 21:09 Leonidas Tsampros [this message]
2014-01-15 21:01 ` bug#15065: guile version 2.0 crashes with a really small number after vm stack overflow error Mark H Weaver
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