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Class org.netlib.lapack.Dtpcon

java.lang.Object
   |
   +----org.netlib.lapack.Dtpcon

public class Dtpcon

extends Object

Following is the description from the original
Fortran source.  For each array argument, the Java
version will include an integer offset parameter, so
the arguments may not match the description exactly.
Contact seymour@cs.utk.edu with any questions.

 *     ..
 *
 *  Purpose
 *  =======
 *
 *  DTPCON estimates the reciprocal of the condition number of a packed
 *  triangular matrix A, in either the 1-norm or the infinity-norm.
 *
 *  The norm of A is computed and an estimate is obtained for
 *  norm(inv(A)), then the reciprocal of the condition number is
 *  computed as
 *     RCOND = 1 / ( norm(A) * norm(inv(A)) ).
 *
 *  Arguments
 *  =========
 *
 *  NORM    (input) CHARACTER*1
 *          Specifies whether the 1-norm condition number or the
 *          infinity-norm condition number is required:
 *          = '1' or 'O':  1-norm;
 *          = 'I':         Infinity-norm.
 *
 *  UPLO    (input) CHARACTER*1
 *          = 'U':  A is upper triangular;
 *          = 'L':  A is lower triangular.
 *
 *  DIAG    (input) CHARACTER*1
 *          = 'N':  A is non-unit triangular;
 *          = 'U':  A is unit triangular.
 *
 *  N       (input) INTEGER
 *          The order of the matrix A.  N >= 0.
 *
 *  AP      (input) DOUBLE PRECISION array, dimension (N*(N+1)/2)
 *          The upper or lower triangular matrix A, packed columnwise in
 *          a linear array.  The j-th column of A is stored in the array
 *          AP as follows:
 *          if UPLO = 'U', AP(i + (j-1)*j/2) = A(i,j) for 1<=i<=j;
 *          if UPLO = 'L', AP(i + (j-1)*(2n-j)/2) = A(i,j) for j<=i<=n.
 *          If DIAG = 'U', the diagonal elements of A are not referenced
 *          and are assumed to be 1.
 *
 *  RCOND   (output) DOUBLE PRECISION
 *          The reciprocal of the condition number of the matrix A,
 *          computed as RCOND = 1/(norm(A) * norm(inv(A))).
 *
 *  WORK    (workspace) DOUBLE PRECISION array, dimension (3*N)
 *
 *  IWORK   (workspace) INTEGER array, dimension (N)
 *
 *  INFO    (output) INTEGER
 *          = 0:  successful exit
 *          < 0:  if INFO = -i, the i-th argument had an illegal value
 *
 *  =====================================================================
 *
 *     .. Parameters ..

Dtpcon()

dtpcon(String, String, String, int, double[], int, doubleW, double[], int, int[], int, intW)

 public Dtpcon()

 public static void dtpcon(String norm,
                           String uplo,
                           String diag,
                           int n,
                           double ap[],
                           int _ap_offset,
                           doubleW rcond,
                           double work[],
                           int _work_offset,
                           int iwork[],
                           int _iwork_offset,
                           intW info)

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