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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Use dumpbin /SYMBOLS on the lib
file.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>C:\Program Files\Microsoft Visual
Studio\VC98\Bin>dumpbin /SYMBOLS libclp.lib >SYM.TXT<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>then look for your interface names. They
do not carry the @nn decoration so<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>try removing the </span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>alias:'_Clp_loadProblem@48'
or dropping the @n.<font color=navy><span style='color:navy'><o:p></o:p></span></font></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>1F0 00000000 SECT78 notype
() External | _Clp_loadProblem<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>3CB 00000000 SECTF4 notype
() External |
_Clp_primalColumnSolution<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I think this is normal for stdcall DLL
access. The leading _ is typical C.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>William<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=3 width="100%" align=center tabindex=-1>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
coin-lpsolver-bounces@list.coin-or.org
[mailto:coin-lpsolver-bounces@list.coin-or.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Jose Luis Ceciliano Meza<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, November 27, 2007
10:49 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">coin-lpsolver@list.coin-or.org</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> [Coin-lpsolver] CLP from
Compaq Visual Fortran 6.6</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Recently I have tried to create a Fortran interface to use
CLP from Visual Fortran. I am trying to use some advise from Matthew Saltzman,
and some experience that I have on using Lindo and CPLEX with the same purpose.
However, I am having some trouble. I would like to show you what I have done
and where my problem is in order to get some help from you.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>1. I have created a CLP_interface like this:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-------------------------------------------------------------------------------------------------------<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> MODULE clp_ifaces<br>
!<br>
! Interfaces to the CLP Version 6.0 functions in alphabetic order for use<br>
! with Digital Visual Fortran 5.0 (DVF) - note that these
interfaces will<br>
! also work with Microsoft Fortran Powerstation 4.0 if all
metacommand<br>
! prefixes are changed from !DEC$ to !MS$<br>
!<br>
!<br>
! Written By: Jose L.
Ceciliano
On: 20 Nov 2007<br>
!<br>
!<br>
! Allow no implicit declarations<br>
!<br>
implicit none<br>
!<br>
! CLP functions' interfaces<br>
!<br>
! Load the problem<br>
INTERFACE<br>
function Clp_loadProblem( model, numcols,
numrows, start, & <br>
&
column, valuem, collb, colub, obj, &<br>
&
rowlb, rowub)<br>
!DEC$ ATTRIBUTES stdcall, alias:'_Clp_loadProblem@48' :: Clp_loadProblem<br>
!DEC$ ATTRIBUTES value :: numcols, numrows<br>
!DEC$ ATTRIBUTES reference :: start, column, valuem, collb<br>
!DEC$ ATTRIBUTES reference :: colub, obj, rowlb, rowub, model<br>
use symtypes<br>
integer(IL) :: Clp_loadProblem<br>
integer(IL), intent(in) :: numcols, numrows<br>
integer(IL), intent(in) :: start(*), column(*)<br>
real(RD), intent(in) :: valuem(*), collb(*),
colub(*)<br>
real(RD), intent(in) :: obj(*), rowlb(*),
rowub(*)<br>
character(15), intent(in) :: model<br>
end function Clp_loadProblem<br>
END INTERFACE<o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>! <br>
! Read an mps file from the given filename<br>
INTERFACE<br>
function Clp_readMps( model, filename,
keepNames, ignoreErrors)<br>
use symtypes<br>
integer(IL) :: Clp_readMps<br>
integer(IL), intent(in) :: keepNames,
ignoreErrors<br>
character(15), intent(in) :: model, filename<br>
end function Clp_readMps<br>
END INTERFACE<br>
!<br>
! Primal column solution<br>
INTERFACE<br>
function Clp_primalColumnSolution(model)<br>
!DEC$ ATTRIBUTES stdcall, alias:'_Clp_primalColumnSolution@8' ::
Clp_primalColumnSolution<br>
!DEC$ ATTRIBUTES reference :: model<br>
use symtypes<br>
integer(IL) :: Clp_primalColumnSolution<br>
character(15), intent(in) :: model<br>
end function Clp_primalColumnSolution<br>
END INTERFACE<br>
!<br>
! Objective value<br>
INTERFACE<br>
function Clp_objectiveValue(model)<br>
!DEC$ ATTRIBUTES stdcall, alias:'_Clp_objectiveValue@8' :: Clp_objectiveValue<br>
!DEC$ ATTRIBUTES reference :: model<br>
use symtypes<br>
integer(IL) :: Clp_objectiveValue<br>
character(15), intent(in) :: model<br>
end function Clp_objectiveValue<br>
END INTERFACE<br>
!<br>
! Dual algorithm - see ClpSimplexDual.hpp for method<br>
INTERFACE<br>
function Clp_dual(model, ifValuesPass)<br>
!DEC$ ATTRIBUTES stdcall, alias:'_Clp_loadProblem@12' :: Clp_loadProblem<br>
!DEC$ ATTRIBUTES value :: ifValuesPass<br>
!DEC$ ATTRIBUTES reference :: model<br>
use symtypes<br>
integer(IL) :: Clp_dual<br>
integer(IL) :: ifValuesPass<br>
character(15), intent(in) :: model<br>
end function Clp_dual<br>
END INTERFACE<br>
!<br>
END MODULE clp_ifaces<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>----------------------------------------------------------------------------<o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>2. I have created my project defining in settings the
following information:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>a) In C/C++ preprosessor/additional include
directories: C:\coin-win32-msvc6-24Feb06\include<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>b) In Link/Object/library modules:
C:\coin-win32-msvc6-24Feb06\lib\*.lib<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>However, when I try to link my project I get the
following errors:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>prueba1.obj : error LNK2001: unresolved external symbol <a
href="mailto:_Clp_loadProblem@48" title="mailto:_Clp_loadProblem@48">_Clp_loadProblem@48</a><br>
prueba1.obj : error LNK2001: unresolved external symbol <a
href="mailto:_CLP_DUAL@12" title="mailto:_CLP_DUAL@12">_CLP_DUAL@12</a><br>
prueba1.obj : error LNK2001: unresolved external symbol <a
href="mailto:_Clp_objectiveValue@8" title="mailto:_Clp_objectiveValue@8">_Clp_objectiveValue@8</a><br>
prueba1.obj : error LNK2001: unresolved external symbol <a
href="mailto:_Clp_primalColumnSolution@8"
title="mailto:_Clp_primalColumnSolution@8">_Clp_primalColumnSolution@8</a><br>
Debug/prueba1.exe : fatal error LNK1120: 4 unresolved externals<br>
Error executing link.exe.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>prueba1.exe - 5 error(s), 1 warning(s)<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-------------------------------------------------------------------<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I think the problem is with the Clp.lib file since it does
not have any @number with its functions, instead it has @ ??<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>What could it be the error? What I would need to do that I
am not doing now? Thanks in advance.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kind regards,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Jose<o:p></o:p></span></font></p>
</div>
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