On 10/6/07, e r <erwann.rogard@gmail.com> wrote:

Jesse Manning wrote:
> Not sure how you have everything setup, but when I compile/link with
> atlas on windows I link against the ATLAS libs in this order:
>
> liblapack
> libf77blas
> libcblas
> libatlas
>
>
> also this comes from the ATLAS documentation folder in the file named
> LibReadme.txt
> ********************************* LINKING
> *************************************
> When linking, remember that order is important.  So, if you want
> uniprocessor
> libs, your link line would contain IN THIS ORDER:
>    -LLIBDIR -llapack -lcblas -lf77blas -latlas
> And if you want to utilize an SMP version, it would be:
>    -LLIBDIR -llapack -lptcblas -lptf77blas -latlas
>
>
> I hope this helps and you get the problem figured out.  Also I compiled
> the code you posted fine with my setup.
>
> Jesse
>
>
> On 10/5/07, *e r* <erwann.rogard@gmail.com
> <mailto:erwann.rogard@gmail.com>> wrote:
>
>     hi,
>
>     i looked at previous posts on this topic. did not help, a suggestion
>     would be appreciated:
>
>     installed atlas version 3.6.0-20.6
>
>     /usr/lib/atlas3-test runs just fine.
>
>     header cblas.h and clapack.h are in /usr/include/ which is by default in
>     my include path.
>
>     Configuration:
>     -I/usr/local/include/boost_1_34_1
>     -I/usr/local/include/boost-bindings
>     -L/usr/lib/atlas
>     -llapack
>     -lblas
>
>     i'm trying to run the program:
>
>     #include <boost/numeric/bindings/atlas/clapack.hpp>
>     #include <boost/numeric/bindings/traits/ublas_matrix.hpp>
>     #include <boost/numeric/bindings/traits/std_vector.hpp>
>     // #include <atlas/cblas.h>
>
>     namespace ublas = boost::numeric::ublas;
>     namespace atlas = boost::numeric::bindings::atlas;
>
>     int main() {
>           std::size_t n = 5;
>           ublas::matrix<double> a(n, n);
>           // fill matrix A
>
>           std::vector<int> ipiv (n);   // pivot vector
>           atlas::lu_factor (a, ipiv);  // alias for getrf()
>           atlas::lu_invert (a, ipiv);  // alias for getri()
>
>           return 0;
>     };
>
>     i get the error
>
>     Building target: testing_numeric_bindings
>     Invoking: GCC C++ Linker
>     g++ -L/usr/lib/atlas -o"testing_numeric_bindings"  ./main.o   -llapack
>     -lblas
>     ./main.o: In function
>     `boost::numeric::bindings::atlas::detail::getrf(CBLAS_ORDER, int, int,
>     double*, int, int*)':
>     /usr/local/include/boost-bindings/boost/numeric/bindings/atlas/clapack_overloads.hpp:87:
>     undefined reference to `clapack_dgetrf'
>     ./main.o: In function
>     `boost::numeric::bindings::atlas::detail::getri(CBLAS_ORDER, int,
>     double*, int, int const*)':
>     /usr/local/include/boost-bindings/boost/numeric/bindings/atlas/clapack_overloads.hpp:163:
>     undefined reference to `clapack_dgetri'
>     collect2: ld returned 1 exit status
>     make: *** [testing_numeric_bindings] Error 1
>     make: Target `all' not remade because of errors.
>     Build complete for project testing_numeric_bindings
>
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>
>
>
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thank you for your help. if i follow your advice, i don't link to the
atlas related libraries. is this meant to?

./usr/lib/libcblas.so.3
./usr/lib/libcblas.so.3.0

./usr/lib/atlas/libblas.so.3.0
./usr/lib/atlas/libblas.so.3

./usr/lib/liblapack_atlas.so.3.0
./usr/lib/liblapack_atlas.so.3

./usr/lib/atlas/liblapack.so.3.0
./usr/lib/atlas/liblapack.so.3

./usr/lib/libatlas.so.3.0
./usr/lib/libatlas.so.3

./usr/lib/libf77blas.so.3.0
./usr/lib/libf77blas.so.3

moreoever, i still have some linking problems:

make -k all
Building file: ../main.cpp
Invoking: GCC C++ Compiler
g++ -I/usr/local/include/boost_1_34_1
-I/usr/local/include/boost-bindings -O0 -g3 -Wall -c -fmessage-length=0
-MMD -MP -MF"main.d " -MT"main.d" -o"main.o" "../main.cpp"
Finished building: ../main.cpp

Building target: testing_numeric_bindings
Invoking: GCC C++ Linker
g++ -L/usr/lib -L/usr/lib/atlas -o"testing_numeric_bindings"  ./main.o
-llapack -lf77blas -lcblas -latlas
/usr/bin/ld: cannot find -llapack
collect2: ld returned 1 exit status
make: *** [testing_numeric_bindings] Error 1
make: Target `all' not remade because of errors.
Build complete for project testing_numeric_bindings

alternatively,

make -k all
Building file: ../main.cpp
Invoking: GCC C++ Compiler
g++ -I/usr/local/include/boost_1_34_1
-I/usr/local/include/boost-bindings -O0 -g3 -Wall -c -fmessage-length=0
-MMD -MP -MF"main.d" -MT"main.d" -o"main.o" "../main.cpp"
Finished building: ../main.cpp

Building target: testing_numeric_bindings
Invoking: GCC C++ Linker
g++ -Wl,-rpath,/usr/lib,/usr/lib/atlas  -o"testing_numeric_bindings"
./main.o   -llapack -lf77blas -lcblas -latlas
/usr/bin/ld: /usr/lib/atlas: No such file: File format not recognized
collect2: ld returned 1 exit status
make: *** [testing_numeric_bindings] Error 1
make: Target `all' not remade because of errors.
Build complete for project testing_numeric_bindings

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