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version 1.12, 2016/08/27 15:37:53
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*> \brief \b DZNRM2 |
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* |
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* =========== DOCUMENTATION =========== |
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* |
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* Online html documentation available at |
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* http://www.netlib.org/lapack/explore-html/ |
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* |
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* Definition: |
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* =========== |
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* |
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* DOUBLE PRECISION FUNCTION DZNRM2(N,X,INCX) |
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* |
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* .. Scalar Arguments .. |
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* INTEGER INCX,N |
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* .. |
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* .. Array Arguments .. |
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* COMPLEX*16 X(*) |
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* .. |
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* |
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* |
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*> \par Purpose: |
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* ============= |
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*> |
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*> \verbatim |
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*> |
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*> DZNRM2 returns the euclidean norm of a vector via the function |
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*> name, so that |
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*> |
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*> DZNRM2 := sqrt( x**H*x ) |
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*> \endverbatim |
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* |
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* Authors: |
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* ======== |
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* |
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*> \author Univ. of Tennessee |
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*> \author Univ. of California Berkeley |
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*> \author Univ. of Colorado Denver |
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*> \author NAG Ltd. |
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* |
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*> \date November 2011 |
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* |
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*> \ingroup double_blas_level1 |
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* |
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*> \par Further Details: |
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* ===================== |
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*> |
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*> \verbatim |
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*> |
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*> -- This version written on 25-October-1982. |
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*> Modified on 14-October-1993 to inline the call to ZLASSQ. |
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*> Sven Hammarling, Nag Ltd. |
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*> \endverbatim |
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*> |
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* ===================================================================== |
DOUBLE PRECISION FUNCTION DZNRM2(N,X,INCX) |
DOUBLE PRECISION FUNCTION DZNRM2(N,X,INCX) |
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* |
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* -- Reference BLAS level1 routine (version 3.4.0) -- |
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* -- Reference BLAS is a software package provided by Univ. of Tennessee, -- |
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* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
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* November 2011 |
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* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INCX,N |
INTEGER INCX,N |
* .. |
* .. |
* .. Array Arguments .. |
* .. Array Arguments .. |
DOUBLE COMPLEX X(*) |
COMPLEX*16 X(*) |
* .. |
* .. |
* |
* |
* Purpose |
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* ======= |
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* |
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* DZNRM2 returns the euclidean norm of a vector via the function |
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* name, so that |
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* |
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* DZNRM2 := sqrt( conjg( x' )*x ) |
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* |
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* Further Details |
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* =============== |
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* |
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* -- This version written on 25-October-1982. |
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* Modified on 14-October-1993 to inline the call to ZLASSQ. |
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* Sven Hammarling, Nag Ltd. |
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* |
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* ===================================================================== |
* ===================================================================== |
* |
* |
* .. Parameters .. |
* .. Parameters .. |