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CentOS 7.0 - man page for stpttr (centos section 3)

stpttr.f(3)						LAPACK						  stpttr.f(3)

NAME
stpttr.f -
SYNOPSIS
Functions/Subroutines subroutine stpttr (UPLO, N, AP, A, LDA, INFO) STPTTR copies a triangular matrix from the standard packed format (TP) to the standard full format (TR). Function/Subroutine Documentation subroutine stpttr (characterUPLO, integerN, real, dimension( * )AP, real, dimension( lda, * )A, integerLDA, integerINFO) STPTTR copies a triangular matrix from the standard packed format (TP) to the standard full format (TR). Purpose: STPTTR 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. N N is INTEGER The order of the matrix A. N >= 0. AP AP is REAL array, dimension ( N*(N+1)/2 ), On entry, 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. A A is REAL array, dimension ( LDA, N ) On exit, 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). 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: September 2012 Definition at line 105 of file stpttr.f. Author Generated automatically by Doxygen for LAPACK from the source code. Version 3.4.2 Tue Sep 25 2012 stpttr.f(3)


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