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  4. slasdt(3)

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slasdt.f(3) LAPACK slasdt.f(3)

NAME

slasdt.f

SYNOPSIS

Functions/Subroutines


subroutine slasdt (N, LVL, ND, INODE, NDIML, NDIMR, MSUB)
SLASDT creates a tree of subproblems for bidiagonal divide and conquer. Used by sbdsdc.

Function/Subroutine Documentation

subroutine slasdt (integer N, integer LVL, integer ND, integer, dimension( * ) INODE, integer, dimension( * ) NDIML, integer, dimension( * ) NDIMR, integer MSUB)

SLASDT creates a tree of subproblems for bidiagonal divide and conquer. Used by sbdsdc.

Purpose: 



 SLASDT creates a tree of subproblems for bidiagonal divide and


 conquer.

Parameters:

N 



          N is INTEGER


          On entry, the number of diagonal elements of the


          bidiagonal matrix.

LVL



          LVL is INTEGER


          On exit, the number of levels on the computation tree.

ND



          ND is INTEGER


          On exit, the number of nodes on the tree.

INODE



          INODE is INTEGER array, dimension ( N )


          On exit, centers of subproblems.

NDIML



          NDIML is INTEGER array, dimension ( N )


          On exit, row dimensions of left children.

NDIMR



          NDIMR is INTEGER array, dimension ( N )


          On exit, row dimensions of right children.

MSUB



          MSUB is INTEGER


          On entry, the maximum row dimension each subproblem at the


          bottom of the tree can be of.

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

December 2016

Contributors:

Ming Gu and Huan Ren, Computer Science Division, University of California at Berkeley, USA

Definition at line 107 of file slasdt.f.

Author

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