https://github.com/cran/quantreg
Revision f7b79d0050f0b42b62f56e85c75207b9b3ae2501 authored by Roger Koenker on 01 April 2020, 09:00:03 UTC, committed by cran-robot on 01 April 2020, 09:00:03 UTC
1 parent 3ad4143
Tip revision: f7b79d0050f0b42b62f56e85c75207b9b3ae2501 authored by Roger Koenker on 01 April 2020, 09:00:03 UTC
version 5.55
version 5.55
Tip revision: f7b79d0
extract.f
c
c Extract: Subroutine to extract the non-diagonal structure and
c entries from A stored in CSR format
c
subroutine extract(d,jd,id,dsub,jdsub,m,nnzd,nnzds,ierr)
integer jd(nnzd),jdsub(nnzds),id(*),m,mp1,ierr,nnzd,nnzds
double precision d(nnzd),dsub(nnzds)
c
c Call csrmsr in SPARSKIT2 to transform the storage format in d
c from csr to msr
c
call csrmsr(m,d,jd,id,dsub,jdsub,dsub,jdsub,nnzds,ierr)
mp1 = m + 1
do i=1,mp1
jdsub(i) = jdsub(i) - mp1
enddo
return
end
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