NAME

TESTING/LIN/slatb5.f

SYNOPSIS

Functions/Subroutines

subroutine slatb5 (path, imat, n, type, kl, ku, anorm, mode, cndnum, dist)
SLATB5

Function/Subroutine Documentation

subroutine slatb5 (character*3 path, integer imat, integer n, character type, integer kl, integer ku, real anorm, integer mode, real cndnum, character dist)

SLATB5

Purpose:



 SLATB5 sets parameters for the matrix generator based on the type


 of matrix to be generated.

Parameters

PATH



          PATH is CHARACTER*3


          The LAPACK path name.

IMAT



          IMAT is INTEGER


          An integer key describing which matrix to generate for this


          path.



          N is INTEGER


          The number of rows and columns in the matrix to be generated.

TYPE



          TYPE is CHARACTER*1


          The type of the matrix to be generated:


          = 'S':  symmetric matrix


          = 'P':  symmetric positive (semi)definite matrix


          = 'N':  nonsymmetric matrix



          KL is INTEGER


          The lower band width of the matrix to be generated.



          KU is INTEGER


          The upper band width of the matrix to be generated.

ANORM



          ANORM is REAL


          The desired norm of the matrix to be generated.  The diagonal


          matrix of singular values or eigenvalues is scaled by this


          value.

MODE



          MODE is INTEGER


          A key indicating how to choose the vector of eigenvalues.

CNDNUM



          CNDNUM is REAL


          The desired condition number.

DIST



          DIST is CHARACTER*1


          The type of distribution to be used by the random number


          generator.

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 112 of file slatb5.f.

Author

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