version 1.10, 2012/12/14 14:22:03
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version 1.15, 2018/05/29 07:19:41
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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 DSYR2K(UPLO,TRANS,N,K,ALPHA,A,LDA,B,LDB,BETA,C,LDC) |
* SUBROUTINE DSYR2K(UPLO,TRANS,N,K,ALPHA,A,LDA,B,LDB,BETA,C,LDC) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* DOUBLE PRECISION ALPHA,BETA |
* DOUBLE PRECISION ALPHA,BETA |
* INTEGER K,LDA,LDB,LDC,N |
* INTEGER K,LDA,LDB,LDC,N |
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* .. Array Arguments .. |
* .. Array Arguments .. |
* DOUBLE PRECISION A(LDA,*),B(LDB,*),C(LDC,*) |
* DOUBLE PRECISION A(LDA,*),B(LDB,*),C(LDC,*) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> |
*> |
*> \param[in] A |
*> \param[in] A |
*> \verbatim |
*> \verbatim |
*> A is DOUBLE PRECISION array of DIMENSION ( LDA, ka ), where ka is |
*> A is DOUBLE PRECISION array, dimension ( LDA, ka ), where ka is |
*> k when TRANS = 'N' or 'n', and is n otherwise. |
*> k when TRANS = 'N' or 'n', and is n otherwise. |
*> Before entry with TRANS = 'N' or 'n', the leading n by k |
*> Before entry with TRANS = 'N' or 'n', the leading n by k |
*> part of the array A must contain the matrix A, otherwise |
*> part of the array A must contain the matrix A, otherwise |
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*> |
*> |
*> \param[in] B |
*> \param[in] B |
*> \verbatim |
*> \verbatim |
*> B is DOUBLE PRECISION array of DIMENSION ( LDB, kb ), where kb is |
*> B is DOUBLE PRECISION array, dimension ( LDB, kb ), where kb is |
*> k when TRANS = 'N' or 'n', and is n otherwise. |
*> k when TRANS = 'N' or 'n', and is n otherwise. |
*> Before entry with TRANS = 'N' or 'n', the leading n by k |
*> Before entry with TRANS = 'N' or 'n', the leading n by k |
*> part of the array B must contain the matrix B, otherwise |
*> part of the array B must contain the matrix B, otherwise |
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*> |
*> |
*> \param[in,out] C |
*> \param[in,out] C |
*> \verbatim |
*> \verbatim |
*> C is DOUBLE PRECISION array of DIMENSION ( LDC, n ). |
*> C is DOUBLE PRECISION array, dimension ( LDC, 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 C must contain the upper |
*> upper triangular part of the array C 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 |
*> \date December 2016 |
* |
* |
*> \ingroup double_blas_level3 |
*> \ingroup double_blas_level3 |
* |
* |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE DSYR2K(UPLO,TRANS,N,K,ALPHA,A,LDA,B,LDB,BETA,C,LDC) |
SUBROUTINE DSYR2K(UPLO,TRANS,N,K,ALPHA,A,LDA,B,LDB,BETA,C,LDC) |
* |
* |
* -- Reference BLAS level3 routine (version 3.4.0) -- |
* -- Reference BLAS level3 routine (version 3.7.0) -- |
* -- 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 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
DOUBLE PRECISION ALPHA,BETA |
DOUBLE PRECISION ALPHA,BETA |