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RE: [amibroker] Acceleration Bands


  • To: <amibroker@xxxxxxxxxxxxxxx>
  • Subject: RE: [amibroker] Osaka plugin crash loading saved table with > 128 columns (not an AB bug)
  • From: "Dave Merrill" <dmerrill@xxxxxxx>
  • Date: Mon, 21 Jun 2004 05:33:45 -0700

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<SPAN 
class=641025011-21062004>Hi Stephan, I'm waiting to be approved by the dll group 
moderator, but dingo kindly sent me the files yesterday.
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>And thanks for the info on how to increase the number 
of columns, but I'm confused. Here's that section of code, from the souce dingo 
sent:
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>COsakaTable::COsakaTable(){ m_aiColumnOffsets 
= NULL; m_aiColumnTypes = NULL; m_aiColumnSizes = 
NULL; m_iCurRowLen = 0; m_iNumColumns = 
0; m_iMaxColumns = 0; AllocColumnStorage( 128 
);}
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>What's confusing is that as I've said, Osaka 104 can 
*already* have an unlimited number of columns; I've actually tested with 10,000. 
How can that be, given this line, if, as you suggest, it controls the maximum 
number of columns:
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>    AllocColumnStorage( 128 
)
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>The only problem I'm aware of is in loading a table 
saved with more than 128 columns. Saving doesn't crash by itself, but could 
still be doing something incorrectly that causes the crash on load. I don't see 
anything in either the save or load routines that obviously assumes 128 columns 
max, but as I've said, I'm not a C++ programmer.
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>(I have to admit, having the source in hand almost 
makes me want to learn at least enough to get this fixed, and to add those Find 
runctions I mentioned. And maybe add osTabSetRowArray, to load an entire table 
row from an AB array in one shot, at compiled C++ speed instead of an AB loop 
over each element. Does this download:
<SPAN 
class=641025011-21062004>    <FONT 
face="Courier New" color=#0000ff size=2><A 
href="">http://msdn.microsoft.com/visualc/vctoolkit2003/ 
<SPAN 
class=641025011-21062004>contain a compatible and free compiler, without going 
to BitTorrent?)
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>Thanks again,
<SPAN 
class=641025011-21062004> 
<SPAN 
class=641025011-21062004>Dave
<BLOCKQUOTE 
>
  Hi Dave, the workspace of asaka plugin is in the 
  file section of ami dll group
  once you have download it
  you can recompile it with microsoft visual c++ 
  that you can download for free with bittorrent at <A 
  href="">http://www.suprnova.org/
   
  you can modify it and increase the number of 
  columns in osakatable.cpp
  where you can read the declarations
  just change AllocColumnStorage( 2147483647 
  );
   
  to the maximum value for int is  2147483647
  <FONT face=Arial 
  size=2>//////////////////////////////////////////////////////////////////////// 
  Construction/Destruction//////////////////////////////////////////////////////////////////////
   
  <FONT face=Arial 
  size=2>COsakaTable::COsakaTable(){ m_aiColumnOffsets = 
  NULL; m_aiColumnTypes = NULL; m_aiColumnSizes = 
  NULL; m_iCurRowLen = 0; m_iNumColumns = 
  0; m_iMaxColumns = 0; AllocColumnStorage( 2147483647 
  );}
   
  COsakaTable::~COsakaTable(){ free( 
  m_aiColumnOffsets ); free( m_aiColumnTypes ); free( 
  m_aiColumnSizes );
   
   FreeEntries();
   
  <FONT face=Arial 
size=2>}


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