TESTING/EIG/dlsets.f(3)

NAME
TESTING/EIG/dlsets.f

SYNOPSIS

  Functions/Subroutines
subroutine dlsets (m, p, n, a, af, lda, b, bf, ldb, c, cf, d, df, x, work, lwork, rwork, result)
DLSETS

Function/Subroutine Documentation

  subroutine dlsets (integer m, integer p, integer n, double precision, dimension( lda, * ) a, double precision, dimension( lda, * ) af, integer lda, double precision, dimension( ldb, * ) b, double precision, dimension( ldb, * ) bf, integer ldb, double precision, dimension( * ) c, double precision, dimension( * ) cf, double precision, dimension( * ) d, double precision, dimension( * ) df, double precision, dimension( * ) x, double precision, dimension( lwork ) work, integer lwork, double precision, dimension( * ) rwork, double precision, dimension( 2 ) result)

DLSETS

Purpose:

     DLSETS tests DGGLSE - a subroutine for solving linear equality
     constrained least square problem (LSE).

Parameters
    M

              M is INTEGER
              The number of rows of the matrix A.  M >= 0.

    P

              P is INTEGER
              The number of rows of the matrix B.  P >= 0.

    N

              N is INTEGER
              The number of columns of the matrices A and B.  N >= 0.

    A

              A is DOUBLE PRECISION array, dimension (LDA,N)
              The M-by-N matrix A.

    AF

              AF is DOUBLE PRECISION array, dimension (LDA,N)

    LDA

              LDA is INTEGER
              The leading dimension of the arrays A, AF, Q and R.
              LDA >= max(M,N).

    B

              B is DOUBLE PRECISION array, dimension (LDB,N)
              The P-by-N matrix A.

    BF

              BF is DOUBLE PRECISION array, dimension (LDB,N)

    LDB

              LDB is INTEGER
              The leading dimension of the arrays B, BF, V and S.
              LDB >= max(P,N).

    C

              C is DOUBLE PRECISION array, dimension( M )
              the vector C in the LSE problem.

    CF

              CF is DOUBLE PRECISION array, dimension( M )

    D

              D is DOUBLE PRECISION array, dimension( P )
              the vector D in the LSE problem.

    DF

              DF is DOUBLE PRECISION array, dimension( P )

    X

              X is DOUBLE PRECISION array, dimension( N )
              solution vector X in the LSE problem.

    WORK

              WORK is DOUBLE PRECISION array, dimension (LWORK)

    LWORK

              LWORK is INTEGER
              The dimension of the array WORK.

    RWORK

              RWORK is DOUBLE PRECISION array, dimension (M)

    RESULT

              RESULT is DOUBLE PRECISION array, dimension (2)
              The test ratios:
                RESULT(1) = norm( A*x - c )/ norm(A)*norm(X)*EPS
                RESULT(2) = norm( B*x - d )/ norm(B)*norm(X)*EPS

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Definition at line 149 of file dlsets.f.

Author

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