<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hello,<div><br></div><div>I am not certain but I just was looking around at a few things and found some work related to ITKv4 Numerics Refactors[1] here on github that's a bit out dated:</div><div><a href="https://github.com/chuckatkins/ITK/commits/numlibs_refactor">https://github.com/chuckatkins/ITK/commits/numlibs_refactor</a></div><div><br></div><div>Looks like similar work and my first search reveals this may be of use:</div><div><a href="https://github.com/chuckatkins/ITK/commit/2c773edc695cbe7b907bebf356ee14e0af66b01a">https://github.com/chuckatkins/ITK/commit/2c773edc695cbe7b907bebf356ee14e0af66b01a</a></div><div><br></div><div>Brad</div><div><br></div><div>[1] <a href="http://www.itk.org/Wiki/ITK_Release_4/Refactor_Numerical_Libraries">http://www.itk.org/Wiki/ITK_Release_4/Refactor_Numerical_Libraries</a></div><div><br><div><div>On Jul 25, 2014, at 3:32 PM, Fotis Drakopoulos <<a href="mailto:fdrakopo@gmail.com">fdrakopo@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr">Hi ITK developers,<div><br></div><div>I am working on the integration of the LASPack package (<a href="http://www.netlib.org/linalg/">http://www.netlib.org/linalg/</a>) inside the ITK for solving for solving large sparse systems of linear equations with iterative methods.</div>
<div>I created a new folder with name laspack under the directory : Modules/ThirdParty/VNL/src/vxl/v3p/netlib/ with the following CMakeList.txt :</div><div><div><br></div><div><i>PROJECT( laspack )</i></div><div><i><br></i></div>
<div><i># List sources for each library component.</i></div><div><i>SET(V3P_NETLIB_laspack_SOURCES</i></div><div><i> eigenval.c</i></div><div><i> errhandl.c</i></div><div><i> factor.c</i></div><div><i> itersolv.c</i></div>
<div><i> matrix.c</i></div><div><i> mlsolv.c</i></div><div><i> operats.c</i></div><div><i> precond.c</i></div><div><i> qmatrix.c</i></div><div><i> rtc.c</i></div><div><i> vector.c</i></div><div><i> eigenval.h</i></div>
<div><i> elcmp.h</i></div><div><i> errhandl.h</i></div><div><i> factor.h</i></div><div><i> itersolv.h</i></div><div><i> lastypes.h</i></div><div><i> matrix.h</i></div><div><i> mlsolv.h</i></div><div><i> operats.h</i></div>
<div><i> precond.h</i></div><div><i> qmatrix.h</i></div><div><i> rtc.h</i></div><div><i> vector.h</i></div><div><i> version.h</i></div><div><i> copyrght.h</i></div><div><i> xc/getopts.c</i></div><div>
<i> xc/xstring.c</i></div><div><i> xc/getopts.h</i></div><div><i> xc/version.h</i></div><div><i> xc/xstring.h</i></div><div><i> xc/xtypes.h</i></div><div><i> )</i></div><div><i><br></i></div><div><i># Create a library .</i></div>
<div><i>ADD_LIBRARY(itkv3p_laspack ${V3P_NETLIB_laspack_SOURCES})</i></div><div><i>IF(UNIX)</i></div><div><i> TARGET_LINK_LIBRARIES( itkv3p_laspack m )</i></div><div><i>ENDIF(UNIX)</i></div><div><i>IF(ITK_LIBRARY_PROPERTIES)</i></div>
<div><i> SET_TARGET_PROPERTIES(itkv3p_laspack PROPERTIES ${ITK_LIBRARY_PROPERTIES})</i></div><div><i>ENDIF(ITK_LIBRARY_PROPERTIES)</i></div><div><i><br></i></div><div><i>IF(NOT VXL_INSTALL_NO_LIBRARIES)</i></div><div><i> INSTALL(TARGETS itkv3p_laspack</i></div>
<div><i> EXPORT ${VXL_INSTALL_EXPORT_NAME}</i></div><div><i> RUNTIME DESTINATION ${VXL_INSTALL_RUNTIME_DIR} COMPONENT RuntimeLibraries</i></div><div><i> LIBRARY DESTINATION ${VXL_INSTALL_LIBRARY_DIR} COMPONENT RuntimeLibraries</i></div>
<div><i> ARCHIVE DESTINATION ${VXL_INSTALL_ARCHIVE_DIR} COMPONENT Development)</i></div><div><i>ENDIF(NOT VXL_INSTALL_NO_LIBRARIES)</i></div><div><i>IF(NOT VXL_INSTALL_NO_DEVELOPMENT)</i></div><div><i> INSTALL_NOBASE_HEADER_FILES(${VXL_INSTALL_INCLUDE_DIR} ${V3P_NETLIB_laspack_SOURCES})</i></div>
<div><i>ENDIF(NOT VXL_INSTALL_NO_DEVELOPMENT)</i></div></div><div><br></div><div>Also in the CMakeLists.txt located in direcory : Modules/ThirdParty/VNL/src I added the new <i><b>itkv3p_laspack</b></i> library as follows: </div>
<div><br></div><div><div><i>add_subdirectory(vxl)</i></div><div><i>foreach(lib itkvcl itkv3p_netlib itkv3p_lsqr <b>itkv3p_laspack</b> itktestlib itkvnl itkvnl_algo)</i></div><div><i> itk_module_target(${lib} NO_INSTALL)</i></div>
<div><i>endforeach()</i></div></div><div><br></div><div>When I build ITK I do not get any errors and the <b><i>libitkv3p_laspack. a</i></b> is normally created like all the other ITK libraries.</div><div>However when I compile an external project which links to ITK with TARGET_LINK_LIBRARIES(PROJECT_NAME ${ITK_LIBRARIES}), I am getting the following link error:</div>
<div><br></div><div><i>/home/fdrakopo/local/bin/ITKDev/release/lib/libitkvnl_algo-4.1.a(vnl_sparse_iterative_solver.cxx.o): In function `vnl_sparse_iterative_solver::vnl_sparse_iterative_solver(vnl_sparse_matrix<double> const&)':</i></div>
<div><i>vnl_sparse_iterative_solver.cxx:(.text+0x6a): undefined reference to `Q_SetName(QMatrixType*, char*)'</i></div><div><i>collect2: error: ld returned 1 exit status</i></div><div><i>make[2]: *** [PAPBNRR] Error 1</i></div>
<div><i>make[1]: *** [CMakeFiles/PAPBNRR.dir/all] Error 2</i></div><div><i>make: *** [all] Error 2</i></div><div> </div><div>The vnl_sparse_iterative_solver is a new class I created under : Modules/ThirdParty/VNL/src/vxl/core/vnl/algo </div>
<div>and encapsulates the implemented calls (functions, etc.) to the LASPack package (similarly to vnl_sparse_lu class that calls Kenneth's Kundert SPARSE package).</div><div>Also the itkvnl_algo inks to itkv3p_laspack :</div>
<div><i>TARGET_LINK_LIBRARIES( itkvnl_algo ${NETLIB_LIBRARIES} itkvnl itkv3p_lsqr <b>itkv3p_laspack</b> ) </i></div><div><br></div><div>Any ideas how can I solve the above link error?</div><div><br></div><div>Regards,</div>
<div>Fotis Drakopoulos</div><div>CRTC lab</div><div><br></div></div>
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