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## org.netlib.lapack
Class Stptri

    java.lang.Object
      org.netlib.lapack.Stptri

    public class Stptri

extends java.lang.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
     *  =======
     *
     *  STPTRI computes the inverse of a real upper or lower triangular
     *  matrix A stored in packed format.
     *
     *  Arguments
     *  =========
     *
     *  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/output) REAL array, dimension (N*(N+1)/2)
     *          On entry, the upper or lower triangular matrix A, stored
     *          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)*((2*n-j)/2) = A(i,j) for j<=i<=n.
     *          See below for further details.
     *          On exit, the (triangular) inverse of the original matrix, in

     *          the same packed storage format.
     *
     *  INFO    (output) INTEGER
     *          = 0:  successful exit
     *          < 0:  if INFO = -i, the i-th argument had an illegal value
     *          > 0:  if INFO = i, A(i,i) is exactly zero.  The triangular
     *                matrix is singular and its inverse can not be computed.
     *
     *  Further Details
     *  ===============
     *
     *  A triangular matrix A can be transferred to packed storage using one

     *  of the following program segments:
     *
     *  UPLO = 'U':                      UPLO = 'L':
     *
     *        JC = 1                           JC = 1
     *        DO 2 J = 1, N                    DO 2 J = 1, N
     *           DO 1 I = 1, J                    DO 1 I = J, N
     *              AP(JC+I-1) = A(I,J)              AP(JC+I-J) = A(I,J)
     *      1    CONTINUE                    1    CONTINUE
     *           JC = JC + J                      JC = JC + N - J + 1
     *      2 CONTINUE                       2 CONTINUE
     *
     *  =====================================================================
     *
     *     .. Parameters ..

Constructor Summary
`Stptri()`

Method Summary
`static void` | `stptri(java.lang.String uplo, java.lang.String diag, int n, float[] ap, int _ap_offset, intW info)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### Stptri

    public Stptri()

Method Detail

### stptri

    public static void stptri(java.lang.String uplo,
                              java.lang.String diag,
                              int n,
                              float[] ap,
                              int _ap_offset,
                              intW info)

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