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author | julie <julielangou@users.noreply.github.com> | 2011-10-06 06:53:11 +0000 |
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committer | julie <julielangou@users.noreply.github.com> | 2011-10-06 06:53:11 +0000 |
commit | e1d39294aee16fa6db9ba079b14442358217db71 (patch) | |
tree | 30e5aa04c1f6596991fda5334f63dfb9b8027849 /SRC/zlantr.f | |
parent | 5fe0466a14e395641f4f8a300ecc9dcb8058081b (diff) |
Integrating Doxygen in comments
Diffstat (limited to 'SRC/zlantr.f')
-rw-r--r-- | SRC/zlantr.f | 201 |
1 files changed, 133 insertions, 68 deletions
diff --git a/SRC/zlantr.f b/SRC/zlantr.f index e2ea5b28..45845dee 100644 --- a/SRC/zlantr.f +++ b/SRC/zlantr.f @@ -1,88 +1,153 @@ - DOUBLE PRECISION FUNCTION ZLANTR( NORM, UPLO, DIAG, M, N, A, LDA, - $ WORK ) +*> \brief \b ZLANTR * -* -- LAPACK auxiliary routine (version 3.2) -- -* -- LAPACK is a software package provided by Univ. of Tennessee, -- -* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* November 2006 +* =========== DOCUMENTATION =========== * -* .. Scalar Arguments .. - CHARACTER DIAG, NORM, UPLO - INTEGER LDA, M, N -* .. -* .. Array Arguments .. - DOUBLE PRECISION WORK( * ) - COMPLEX*16 A( LDA, * ) -* .. +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +* Definition +* ========== * +* DOUBLE PRECISION FUNCTION ZLANTR( NORM, UPLO, DIAG, M, N, A, LDA, +* WORK ) +* +* .. Scalar Arguments .. +* CHARACTER DIAG, NORM, UPLO +* INTEGER LDA, M, N +* .. +* .. Array Arguments .. +* DOUBLE PRECISION WORK( * ) +* COMPLEX*16 A( LDA, * ) +* .. +* * Purpose * ======= * -* ZLANTR returns the value of the one norm, or the Frobenius norm, or -* the infinity norm, or the element of largest absolute value of a -* trapezoidal or triangular matrix A. -* -* Description -* =========== -* -* ZLANTR returns the value -* -* ZLANTR = ( max(abs(A(i,j))), NORM = 'M' or 'm' -* ( -* ( norm1(A), NORM = '1', 'O' or 'o' -* ( -* ( normI(A), NORM = 'I' or 'i' -* ( -* ( normF(A), NORM = 'F', 'f', 'E' or 'e' -* -* where norm1 denotes the one norm of a matrix (maximum column sum), -* normI denotes the infinity norm of a matrix (maximum row sum) and -* normF denotes the Frobenius norm of a matrix (square root of sum of -* squares). Note that max(abs(A(i,j))) is not a consistent matrix norm. +*>\details \b Purpose: +*>\verbatim +*> +*> ZLANTR returns the value of the one norm, or the Frobenius norm, or +*> the infinity norm, or the element of largest absolute value of a +*> trapezoidal or triangular matrix A. +*> +*> Description +*> =========== +*> +*> ZLANTR returns the value +*> +*> ZLANTR = ( max(abs(A(i,j))), NORM = 'M' or 'm' +*> ( +*> ( norm1(A), NORM = '1', 'O' or 'o' +*> ( +*> ( normI(A), NORM = 'I' or 'i' +*> ( +*> ( normF(A), NORM = 'F', 'f', 'E' or 'e' +*> +*> where norm1 denotes the one norm of a matrix (maximum column sum), +*> normI denotes the infinity norm of a matrix (maximum row sum) and +*> normF denotes the Frobenius norm of a matrix (square root of sum of +*> squares). Note that max(abs(A(i,j))) is not a consistent matrix norm. +*> +*>\endverbatim * * Arguments * ========= * -* NORM (input) CHARACTER*1 -* Specifies the value to be returned in ZLANTR as described -* above. +*> \param[in] NORM +*> \verbatim +*> NORM is CHARACTER*1 +*> Specifies the value to be returned in ZLANTR as described +*> above. +*> \endverbatim +*> +*> \param[in] UPLO +*> \verbatim +*> UPLO is CHARACTER*1 +*> Specifies whether the matrix A is upper or lower trapezoidal. +*> = 'U': Upper trapezoidal +*> = 'L': Lower trapezoidal +*> Note that A is triangular instead of trapezoidal if M = N. +*> \endverbatim +*> +*> \param[in] DIAG +*> \verbatim +*> DIAG is CHARACTER*1 +*> Specifies whether or not the matrix A has unit diagonal. +*> = 'N': Non-unit diagonal +*> = 'U': Unit diagonal +*> \endverbatim +*> +*> \param[in] M +*> \verbatim +*> M is INTEGER +*> The number of rows of the matrix A. M >= 0, and if +*> UPLO = 'U', M <= N. When M = 0, ZLANTR is set to zero. +*> \endverbatim +*> +*> \param[in] N +*> \verbatim +*> N is INTEGER +*> The number of columns of the matrix A. N >= 0, and if +*> UPLO = 'L', N <= M. When N = 0, ZLANTR is set to zero. +*> \endverbatim +*> +*> \param[in] A +*> \verbatim +*> A is COMPLEX*16 array, dimension (LDA,N) +*> The trapezoidal matrix A (A is triangular if M = N). +*> If UPLO = 'U', the leading m by n upper trapezoidal part of +*> the array A contains the upper trapezoidal matrix, and the +*> strictly lower triangular part of A is not referenced. +*> If UPLO = 'L', the leading m by n lower trapezoidal part of +*> the array A contains the lower trapezoidal matrix, and the +*> strictly upper triangular part of A is not referenced. Note +*> that when DIAG = 'U', the diagonal elements of A are not +*> referenced and are assumed to be one. +*> \endverbatim +*> +*> \param[in] LDA +*> \verbatim +*> LDA is INTEGER +*> The leading dimension of the array A. LDA >= max(M,1). +*> \endverbatim +*> +*> \param[out] WORK +*> \verbatim +*> WORK is DOUBLE PRECISION array, dimension (MAX(1,LWORK)), +*> where LWORK >= M when NORM = 'I'; otherwise, WORK is not +*> referenced. +*> \endverbatim +*> * -* UPLO (input) CHARACTER*1 -* Specifies whether the matrix A is upper or lower trapezoidal. -* = 'U': Upper trapezoidal -* = 'L': Lower trapezoidal -* Note that A is triangular instead of trapezoidal if M = N. +* Authors +* ======= * -* DIAG (input) CHARACTER*1 -* Specifies whether or not the matrix A has unit diagonal. -* = 'N': Non-unit diagonal -* = 'U': Unit diagonal +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. * -* M (input) INTEGER -* The number of rows of the matrix A. M >= 0, and if -* UPLO = 'U', M <= N. When M = 0, ZLANTR is set to zero. +*> \date November 2011 * -* N (input) INTEGER -* The number of columns of the matrix A. N >= 0, and if -* UPLO = 'L', N <= M. When N = 0, ZLANTR is set to zero. +*> \ingroup complex16OTHERauxiliary * -* A (input) COMPLEX*16 array, dimension (LDA,N) -* The trapezoidal matrix A (A is triangular if M = N). -* If UPLO = 'U', the leading m by n upper trapezoidal part of -* the array A contains the upper trapezoidal matrix, and the -* strictly lower triangular part of A is not referenced. -* If UPLO = 'L', the leading m by n lower trapezoidal part of -* the array A contains the lower trapezoidal matrix, and the -* strictly upper triangular part of A is not referenced. Note -* that when DIAG = 'U', the diagonal elements of A are not -* referenced and are assumed to be one. +* ===================================================================== + DOUBLE PRECISION FUNCTION ZLANTR( NORM, UPLO, DIAG, M, N, A, LDA, + $ WORK ) * -* LDA (input) INTEGER -* The leading dimension of the array A. LDA >= max(M,1). +* -- LAPACK auxiliary routine (version 3.2) -- +* -- LAPACK is a software package provided by Univ. of Tennessee, -- +* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- +* November 2011 * -* WORK (workspace) DOUBLE PRECISION array, dimension (MAX(1,LWORK)), -* where LWORK >= M when NORM = 'I'; otherwise, WORK is not -* referenced. +* .. Scalar Arguments .. + CHARACTER DIAG, NORM, UPLO + INTEGER LDA, M, N +* .. +* .. Array Arguments .. + DOUBLE PRECISION WORK( * ) + COMPLEX*16 A( LDA, * ) +* .. * * ===================================================================== * |