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From: SourceForge.net <noreply@so...>  20070512 03:07:06

Bugs item #1717554, was opened at 20070512 03:07 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1717554&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: pvdg (pvdg) Assigned to: Nobody/Anonymous (nobody) Summary: integrate(integrate(x*cos(x*y),x,1,2),y,3,5) Initial Comment: The following command causes an endless sequence of questions which must be interrupted (CtrlC): (%i6) integrate(integrate(x*cos(x*y),x,1,2),y,3,5); Is y sin(y) positive, negative, or zero? Is y sin(y) positive, negative, or zero? . . . Is y sin(y) positive, negative, or zero? Maxima encountered a Lisp error: Console interrupt. Automatically continuing. To reenable the Lisp debugger set *debuggerhook* to nil. This doesn't happen if you change the order of integration: (%i7) integrate(integrate(x*cos(x*y),y,3,5),x,1,2); cos(10) cos(6) cos(5) cos(3) (%o7)   +  +    5 3 5 3 Maxima version: 5.11.0 Maxima build date: 1:0 3/25/2007 host type: i686pclinuxgnu lispimplementationtype: GNU Common Lisp (GCL) lispimplementationversion: GCL 2.6.7  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1717554&group_id=4933 
From: SourceForge.net <noreply@so...>  20070516 15:27:26

Bugs item #1717554, was opened at 20070511 23:07 Message generated for change (Comment added) made by macrakis You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1717554&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: pvdg (pvdg) Assigned to: Nobody/Anonymous (nobody) Summary: integrate(integrate(x*cos(x*y),x,1,2),y,3,5) Initial Comment: The following command causes an endless sequence of questions which must be interrupted (CtrlC): (%i6) integrate(integrate(x*cos(x*y),x,1,2),y,3,5); Is y sin(y) positive, negative, or zero? Is y sin(y) positive, negative, or zero? . . . Is y sin(y) positive, negative, or zero? Maxima encountered a Lisp error: Console interrupt. Automatically continuing. To reenable the Lisp debugger set *debuggerhook* to nil. This doesn't happen if you change the order of integration: (%i7) integrate(integrate(x*cos(x*y),y,3,5),x,1,2); cos(10) cos(6) cos(5) cos(3) (%o7)   +  +    5 3 5 3 Maxima version: 5.11.0 Maxima build date: 1:0 3/25/2007 host type: i686pclinuxgnu lispimplementationtype: GNU Common Lisp (GCL) lispimplementationversion: GCL 2.6.7  >Comment By: Stavros Macrakis (macrakis) Date: 20070516 11:27 Message: Logged In: YES user_id=588346 Originator: NO I can't reproduce this in commandline Maxima 5.11.0cvs/clisp or Xmaxima 5.11.0/gcl. Is it possible that this is a frontend or pseudotty issue? If Maxima doesn't stop after each question to wait for an answer, perhaps the front end is sending an illegitimate answer invisible to the user? What happens with the command asksign(x) ? What is the frontend you're using to run Maxima? Is it running under Emacs or SAGE or over a telnet connection? s  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1717554&group_id=4933 
From: SourceForge.net <noreply@so...>  20070524 04:04:37

Bugs item #1717554, was opened at 20070511 23:07 Message generated for change (Comment added) made by macrakis You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1717554&group_id=4933 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None >Status: Closed >Resolution: Works For Me Priority: 5 Private: No Submitted By: pvdg (pvdg) Assigned to: Nobody/Anonymous (nobody) Summary: integrate(integrate(x*cos(x*y),x,1,2),y,3,5) Initial Comment: The following command causes an endless sequence of questions which must be interrupted (CtrlC): (%i6) integrate(integrate(x*cos(x*y),x,1,2),y,3,5); Is y sin(y) positive, negative, or zero? Is y sin(y) positive, negative, or zero? . . . Is y sin(y) positive, negative, or zero? Maxima encountered a Lisp error: Console interrupt. Automatically continuing. To reenable the Lisp debugger set *debuggerhook* to nil. This doesn't happen if you change the order of integration: (%i7) integrate(integrate(x*cos(x*y),y,3,5),x,1,2); cos(10) cos(6) cos(5) cos(3) (%o7)   +  +    5 3 5 3 Maxima version: 5.11.0 Maxima build date: 1:0 3/25/2007 host type: i686pclinuxgnu lispimplementationtype: GNU Common Lisp (GCL) lispimplementationversion: GCL 2.6.7  >Comment By: Stavros Macrakis (macrakis) Date: 20070524 00:04 Message: Logged In: YES user_id=588346 Originator: NO Though Maxima should be able to do better than this about asking questions, the "infinite question" problem probably comes from whatever front end is being used. Bug reporter has not answered query about this. Closing as "Works for me".  Comment By: Stavros Macrakis (macrakis) Date: 20070516 11:27 Message: Logged In: YES user_id=588346 Originator: NO I can't reproduce this in commandline Maxima 5.11.0cvs/clisp or Xmaxima 5.11.0/gcl. Is it possible that this is a frontend or pseudotty issue? If Maxima doesn't stop after each question to wait for an answer, perhaps the front end is sending an illegitimate answer invisible to the user? What happens with the command asksign(x) ? What is the frontend you're using to run Maxima? Is it running under Emacs or SAGE or over a telnet connection? s  You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=104933&aid=1717554&group_id=4933 
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