version 1.12, 2016/08/27 15:37:53
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version 1.16, 2023/08/07 08:38:43
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* |
* |
* =========== DOCUMENTATION =========== |
* =========== DOCUMENTATION =========== |
* |
* |
* Online html documentation available at |
* Online html documentation available at |
* http://www.netlib.org/lapack/explore-html/ |
* http://www.netlib.org/lapack/explore-html/ |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DSYR2(UPLO,N,ALPHA,X,INCX,Y,INCY,A,LDA) |
* SUBROUTINE DSYR2(UPLO,N,ALPHA,X,INCX,Y,INCY,A,LDA) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* DOUBLE PRECISION ALPHA |
* DOUBLE PRECISION ALPHA |
* INTEGER INCX,INCY,LDA,N |
* INTEGER INCX,INCY,LDA,N |
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* .. Array Arguments .. |
* .. Array Arguments .. |
* DOUBLE PRECISION A(LDA,*),X(*),Y(*) |
* DOUBLE PRECISION A(LDA,*),X(*),Y(*) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> |
*> |
*> \param[in] X |
*> \param[in] X |
*> \verbatim |
*> \verbatim |
*> X is DOUBLE PRECISION array of dimension at least |
*> X is DOUBLE PRECISION array, dimension at least |
*> ( 1 + ( n - 1 )*abs( INCX ) ). |
*> ( 1 + ( n - 1 )*abs( INCX ) ). |
*> Before entry, the incremented array X must contain the n |
*> Before entry, the incremented array X must contain the n |
*> element vector x. |
*> element vector x. |
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*> |
*> |
*> \param[in] Y |
*> \param[in] Y |
*> \verbatim |
*> \verbatim |
*> Y is DOUBLE PRECISION array of dimension at least |
*> Y is DOUBLE PRECISION array, dimension at least |
*> ( 1 + ( n - 1 )*abs( INCY ) ). |
*> ( 1 + ( n - 1 )*abs( INCY ) ). |
*> Before entry, the incremented array Y must contain the n |
*> Before entry, the incremented array Y must contain the n |
*> element vector y. |
*> element vector y. |
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*> |
*> |
*> \param[in,out] A |
*> \param[in,out] A |
*> \verbatim |
*> \verbatim |
*> A is DOUBLE PRECISION array of DIMENSION ( LDA, n ). |
*> A is DOUBLE PRECISION array, dimension ( LDA, N ) |
*> Before entry with UPLO = 'U' or 'u', the leading n by n |
*> Before entry with UPLO = 'U' or 'u', the leading n by n |
*> upper triangular part of the array A must contain the upper |
*> upper triangular part of the array A must contain the upper |
*> triangular part of the symmetric matrix and the strictly |
*> triangular part of the symmetric matrix and the strictly |
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* Authors: |
* Authors: |
* ======== |
* ======== |
* |
* |
*> \author Univ. of Tennessee |
*> \author Univ. of Tennessee |
*> \author Univ. of California Berkeley |
*> \author Univ. of California Berkeley |
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
|
*> \date November 2011 |
|
* |
* |
*> \ingroup double_blas_level2 |
*> \ingroup double_blas_level2 |
* |
* |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE DSYR2(UPLO,N,ALPHA,X,INCX,Y,INCY,A,LDA) |
SUBROUTINE DSYR2(UPLO,N,ALPHA,X,INCX,Y,INCY,A,LDA) |
* |
* |
* -- Reference BLAS level2 routine (version 3.4.0) -- |
* -- Reference BLAS level2 routine -- |
* -- Reference BLAS is a software package provided by Univ. of Tennessee, -- |
* -- Reference BLAS is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* November 2011 |
|
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
DOUBLE PRECISION ALPHA |
DOUBLE PRECISION ALPHA |
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* |
* |
RETURN |
RETURN |
* |
* |
* End of DSYR2 . |
* End of DSYR2 |
* |
* |
END |
END |