ilauplo.f(3) LAPACK ilauplo.f(3)NAME
ilauplo.f -
SYNOPSIS
Functions/Subroutines
INTEGER function ilauplo (UPLO)
ILAUPLO
Function/Subroutine Documentation
INTEGER function ilauplo (characterUPLO)
ILAUPLO
Purpose:
This subroutine translated from a character string specifying a
upper- or lower-triangular matrix to the relevant BLAST-specified
integer constant.
ILAUPLO returns an INTEGER. If ILAUPLO < 0, then the input is not
a character indicating an upper- or lower-triangular matrix.
Otherwise ILAUPLO returns the constant value corresponding to UPLO.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Definition at line 59 of file ilauplo.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 ilauplo.f(3)
Check Out this Related Man Page
ctrttp.f(3) LAPACK ctrttp.f(3)NAME
ctrttp.f -
SYNOPSIS
Functions/Subroutines
subroutine ctrttp (UPLO, N, A, LDA, AP, INFO)
CTRTTP
Function/Subroutine Documentation
subroutine ctrttp (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( * )AP, integerINFO)
CTRTTP
Purpose:
CTRTTP copies a triangular matrix A from full format (TR) to standard
packed format (TP).
Parameters:
UPLO
UPLO is CHARACTER*1
= 'U': A is upper triangular;
= 'L': A is lower triangular.
N
N is INTEGER
The order of the matrices AP and A. N >= 0.
A
A is COMPLEX array, dimension (LDA,N)
On entry, the triangular matrix A. If UPLO = 'U', the leading
N-by-N upper triangular part of A contains the upper
triangular part of the matrix A, and the strictly lower
triangular part of A is not referenced. If UPLO = 'L', the
leading N-by-N lower triangular part of A contains the lower
triangular part of the matrix A, and the strictly upper
triangular part of A is not referenced.
LDA
LDA is INTEGER
The leading dimension of the array A. LDA >= max(1,N).
AP
AP is COMPLEX array, dimension ( N*(N+1)/2 ),
On exit, the upper or lower triangular matrix A, packed
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)*(2n-j)/2) = A(i,j) for j<=i<=n.
INFO
INFO is INTEGER
= 0: successful exit
< 0: if INFO = -i, the i-th argument had an illegal value
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Definition at line 105 of file ctrttp.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 ctrttp.f(3)
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