Hi Huan, no problem at all, I am not sure I am being of much help! Also, I
transfer any thanks to deal.ii ppl for making it open source!!
I am wondering if your lib path config is correct? Any chance the
LD_LIBRARY_PATH does not point to the blas/lapack libraries? Can you try to
compile this code? link line would be something like :
ifort lpk.f -I(MKL_ROOT)/include/em64t/
lp64/ -lmkl_lapack95_lp64 -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core
-liomp5
PROGRAM main
use lapack95, only: gesv
implicit none
integer :: n, nrhs
complex, allocatable :: a(:,:), aa(:,:), b(:,:), bb(:,:)
complex, allocatable :: mm(:,:), mm2(:,:)
real, allocatable :: ar(:,:),ai(:,:),br(:,:),bi(:,:)
n=4; nrhs=4
allocate(ar(n,n),ai(n,n),a(n,n),aa(n,n),br(n,nrhs),bi(n,nrhs))
allocate(b(n,nrhs), bb(n,nrhs), mm(n,nrhs), mm2(n,nrhs) )
call random_number(ar)
call random_number(ai)
call random_number(br)
call random_number(bi)
aa=ar+(0.,1.)*ai
bb=br+(0.,1.)*bi
a=aa; b=bb
call gesv(a,b)
mm = matmul(aa,b)
mm2 = mm - bb
write(*,*) mm2
end PROGRAM main
Aside from what Wolfgang suggested could you try this out and see if your
blas installation is actually ok, aside from the libs being in
LD_LIBRARY_PATH?
Cheers,
C.S.N
On Mon, Feb 22, 2010 at 1:29 PM, Wolfgang Bangerth
<[email protected]>wrote:
>
> > configure: error: BLAS library not installed correctly(mkl_intel_lp64
> > -Wl,--start-group -lmkl_intel_thread -lmkl_core -Wl,--end-group -lguide
> > -lpthread)
>
> You should take a look into config.log to see what the error is that leads
> to
> this message.
>
> Best
> W.
>
> -------------------------------------------------------------------------
> Wolfgang Bangerth email: [email protected]
> www:
> http://www.math.tamu.edu/~bangerth/<http://www.math.tamu.edu/%7Ebangerth/>
>
>
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