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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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Tue Nov 14 2017 Version 3.8.0