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      subroutine dchdc(a,lda,p,work,jpvt,job,info)
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      subroutine dchdc(a,lda,p,work,jpvt,job,info)
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      integer lda,p,jpvt(p),job,info
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      integer lda,p,jpvt(p),job,info
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      double precision a(lda,p),work(*)
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      double precision a(lda,p),work(p)
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c
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c
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c     dchdc computes the cholesky decomposition of a positive definite
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c     dchdc computes the cholesky decomposition of a positive definite
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c     matrix.  a pivoting option allows the user to estimate the
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c     matrix.  a pivoting option allows the user to estimate the
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c     condition of a positive definite matrix or determine the rank
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c     condition of a positive definite matrix or determine the rank
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c     of a positive semidefinite matrix.
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c     of a positive semidefinite matrix.