Hello ublas users,
I am having problems getting lapack
routines to work.
I am using Microsoft Visual Studio 2010
(VC9) on Windows XP. I installed boost_1_44 and the latest
version of boost numeric bindings from boost sandbox.
I have no Fortran compiler, thus I need to
use clapack.
The error message LNK2019 (in red below)
when trying to link complains about an unresolved external
symbol _dgesv_. This is due to the fact that the
routines in the lapack library have an
underscore at the end and not at the front and back, i.e.
dgesv_ and not _dgesv_.
I looked at fortran.h and lapack_names.h.
The problem may be with the macro Fortan_ID (id) but I don’t
know how to fix it. Defining the symbol
BIND_FORTRAN_LOWERCASE or undefining it
does not solve the problem.
Also, I wonder if generate_functions.hpp is
where the offending underscore in front is coming from.
Thank you very much for all your help and
assistance.
Simon Mpasi
>------ Rebuild
All started: Project: testNumericBindings, Configuration:
Debug Win32 ------
1>Deleting
intermediate and output files for project
'testNumericBindings', configuration 'Debug|Win32'
1>Compiling...
1>ublas_gesvd3.cc
1>using native
typeof
1>c:\program
files\boost\boost_1_44\boost\numeric\ublas\storage.hpp(94) :
warning C4996: 'std::uninitialized_copy': Function call with
parameters that may be unsafe - this call relies on the
caller to check that the passed values are correct. To
disable this warning, use -D_SCL_SECURE_NO_WARNINGS. See
documentation on how to use Visual C++ 'Checked Iterators'
1>
c:\program files\microsoft visual studio
9.0\vc\include\memory(98) : see declaration of
'std::uninitialized_copy'
1>
c:\program
files\boost\boost_1_44\boost\numeric\ublas\storage.hpp(89) :
while compiling class template member function
'boost::numeric::ublas::unbounded_array<T>::unbounded_array(const
boost::numeric::ublas::unbounded_array<T> &)'
1> with
1> [
1>
T=real_t
1> ]
1>
c:\program
files\boost\boost_1_44\boost\numeric\ublas\matrix.hpp(100) :
see reference to class template instantiation
'boost::numeric::ublas::unbounded_array<T>' being
compiled
1> with
1> [
1>
T=real_t
1> ]
1>
c:\documents and settings\smpasi\my documents\visual studio
2008\projects\testnumericbindings\testnumericbindings\ublas_gesvd3.cc(31)
: see reference to class template instantiation
'boost::numeric::ublas::matrix<T,L>' being compiled
1> with
1> [
1>
T=real_t,
1>
L=boost::numeric::ublas::column_major
1> ]
1>Linking...
1> Creating
library C:\Documents and Settings\smpasi\My Documents\Visual
Studio
2008\Projects\testNumericBindings\Debug\testNumericBindings.lib
and object C:\Documents and Settings\smpasi\My
Documents\Visual Studio
2008\Projects\testNumericBindings\Debug\testNumericBindings.exp
1>ublas_gesvd3.obj : error LNK2019:
unresolved external symbol _dgesvd_ referenced in function
"int __cdecl
boost::numeric::bindings::lapack::detail::gesvd(char,char,int,int,double
*,int,double *,double *,int,double *,int,double *,int)" (?gesvd@detail@lapack@bindings@numeric@boost@@YAHDDHHPANH00H0H0H@Z)
1>C:\Documents and
Settings\smpasi\My Documents\Visual Studio
2008\Projects\testNumericBindings\Debug\testNumericBindings.exe
: fatal error LNK1120: 1 unresolved externals
1>Build log was
saved at "file://c:\Documents
and Settings\smpasi\My Documents\Visual Studio
2008\Projects\testNumericBindings\testNumericBindings\Debug\BuildLog.htm"
1>testNumericBindings
- 2 error(s), 1 warning(s)
========== Rebuild All: 0
succeeded, 1 failed, 0 skipped ==========