ctpttr (3)  Linux Manuals
NAME
ctpttr.f 
SYNOPSIS
Functions/Subroutines
subroutine ctpttr (UPLO, N, AP, A, LDA, INFO)
CTPTTR copies a triangular matrix from the standard packed format (TP) to the standard full format (TR).
Function/Subroutine Documentation
subroutine ctpttr (characterUPLO, integerN, complex, dimension( * )AP, complex, dimension( lda, * )A, integerLDA, integerINFO)
CTPTTR copies a triangular matrix from the standard packed format (TP) to the standard full format (TR).
Purpose:

CTPTTR copies a triangular matrix A from standard packed format (TP) to standard full format (TR).
Parameters:

UPLO
UPLO is CHARACTER*1 = 'U': A is upper triangular. = 'L': A is lower triangular.
NN is INTEGER The order of the matrix A. N >= 0.
APAP is COMPLEX array, dimension ( N*(N+1)/2 ), On entry, the upper or lower triangular matrix A, packed columnwise in a linear array. The jth column of A is stored in the array AP as follows: if UPLO = 'U', AP(i + (j1)*j/2) = A(i,j) for 1<=i<=j; if UPLO = 'L', AP(i + (j1)*(2nj)/2) = A(i,j) for j<=i<=n.
AA is COMPLEX array, dimension ( LDA, N ) On exit, the triangular matrix A. If UPLO = 'U', the leading NbyN 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 NbyN 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.
LDALDA is INTEGER The leading dimension of the array A. LDA >= max(1,N).
INFOINFO is INTEGER = 0: successful exit < 0: if INFO = i, the ith argument had an illegal value
Author:

Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
 September 2012
Definition at line 105 of file ctpttr.f.
Author
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