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real unsddu(iim), unsddv(iim) |
real unsddu(iim), unsddv(iim) |
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real eignfnu(iim, iim), eignfnv(iim, iim) |
real eignfnu(iim, iim), eignfnv(iim, iim) |
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! eignfn eigenfunctions of the discrete laplacian |
! eigenfunctions of the discrete laplacian |
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contains |
contains |
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! From LMDZ4/libf/filtrez/inifgn.F, v 1.1.1.1 2004/05/19 12:53:09 |
! From LMDZ4/libf/filtrez/inifgn.F, v 1.1.1.1 2004/05/19 12:53:09 |
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! H.Upadyaya, O.Sharma |
! H. Upadyaya, O. Sharma |
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use acc_m, only: acc |
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USE dimens_m, ONLY: iim |
USE dimens_m, ONLY: iim |
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USE dynetat0_m, ONLY: xprimu, xprimv |
USE dynetat0_m, ONLY: xprimu, xprimv |
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use nr_util, only: pi |
use nr_util, only: pi |
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use numer_rec_95, only: jacobi |
use numer_rec_95, only: jacobi, eigsrt |
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real, intent(out):: dv(iim) |
real, intent(out):: dv(:) ! (iim) |
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! Local: |
! Local: |
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REAL vec(iim, iim), vec1(iim, iim) |
REAL vec(iim, iim), vec1(iim, iim) |
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REAL du(iim) |
REAL du(iim) |
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real d(iim) |
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INTEGER i, j, k, nrot |
INTEGER i, j, k, nrot |
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EXTERNAL acc |
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!---------------------------------------------------------------- |
!---------------------------------------------------------------- |
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sddv = sqrt(xprimv(:iim)) |
sddv = sqrt(xprimv(:iim)) |
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END DO |
END DO |
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CALL jacobi(vec, dv, eignfnv, nrot) |
CALL jacobi(vec, dv, eignfnv, nrot) |
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CALL acc(eignfnv, d, iim) |
CALL acc(eignfnv) |
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CALL eigen_sort(dv, eignfnv, iim, iim) |
CALL eigsrt(dv, eignfnv) |
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CALL jacobi(vec1, du, eignfnu, nrot) |
CALL jacobi(vec1, du, eignfnu, nrot) |
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CALL acc(eignfnu, d, iim) |
CALL acc(eignfnu) |
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CALL eigen_sort(du, eignfnu, iim, iim) |
CALL eigsrt(du, eignfnu) |
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END SUBROUTINE inifgn |
END SUBROUTINE inifgn |
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