org.netlib.lapack
Class DLAUU2

java.lang.Object
  org.netlib.lapack.DLAUU2

public class DLAUU2
extends java.lang.Object

DLAUU2 is a simplified interface to the JLAPACK routine dlauu2.
This interface converts Java-style 2D row-major arrays into
the 1D column-major linearized arrays expected by the lower
level JLAPACK routines.  Using this interface also allows you
to omit offset and leading dimension arguments.  However, because
of these conversions, these routines will be slower than the low
level ones.  Following is the description from the original Fortran
source.  Contact seymour@cs.utk.edu with any questions.

 *     ..
 *
 *  Purpose
 *  =======
 *
 *  DLAUU2 computes the product U * U' or L' * L, where the triangular
 *  factor U or L is stored in the upper or lower triangular part of
 *  the array A.
 *
 *  If UPLO = 'U' or 'u' then the upper triangle of the result is stored,
 *  overwriting the factor U in A.
 *  If UPLO = 'L' or 'l' then the lower triangle of the result is stored,
 *  overwriting the factor L in A.
 *
 *  This is the unblocked form of the algorithm, calling Level 2 BLAS.
 *
 *  Arguments
 *  =========
 *
 *  UPLO    (input) CHARACTER*1
 *          Specifies whether the triangular factor stored in the array A
 *          is upper or lower triangular:
 *          = 'U':  Upper triangular
 *          = 'L':  Lower triangular
 *
 *  N       (input) INTEGER
 *          The order of the triangular factor U or L.  N >= 0.
 *
 *  A       (input/output) DOUBLE PRECISION array, dimension (LDA,N)
 *          On entry, the triangular factor U or L.
 *          On exit, if UPLO = 'U', the upper triangle of A is
 *          overwritten with the upper triangle of the product U * U';
 *          if UPLO = 'L', the lower triangle of A is overwritten with
 *          the lower triangle of the product L' * L.
 *
 *  LDA     (input) INTEGER
 *          The leading dimension of the array A.  LDA >= max(1,N).
 *
 *  INFO    (output) INTEGER
 *          = 0: successful exit
 *          < 0: if INFO = -k, the k-th argument had an illegal value
 *
 *  =====================================================================
 *
 *     .. Parameters ..

Constructor Summary

DLAUU2()

Method Summary

static void

DLAUU2(java.lang.String uplo, int n, double[][] a, intW info)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DLAUU2

public DLAUU2()

Method Detail

DLAUU2

public static void DLAUU2(java.lang.String uplo,
                          int n,
                          double[][] a,
                          intW info)