version 1.1.1.1, 2010/01/26 15:22:45
|
version 1.10, 2014/01/27 09:28:12
|
Line 1
|
Line 1
|
|
*> \brief \b DNRM2 |
|
* |
|
* =========== DOCUMENTATION =========== |
|
* |
|
* Online html documentation available at |
|
* http://www.netlib.org/lapack/explore-html/ |
|
* |
|
* Definition: |
|
* =========== |
|
* |
|
* DOUBLE PRECISION FUNCTION DNRM2(N,X,INCX) |
|
* |
|
* .. Scalar Arguments .. |
|
* INTEGER INCX,N |
|
* .. |
|
* .. Array Arguments .. |
|
* DOUBLE PRECISION X(*) |
|
* .. |
|
* |
|
* |
|
*> \par Purpose: |
|
* ============= |
|
*> |
|
*> \verbatim |
|
*> |
|
*> DNRM2 returns the euclidean norm of a vector via the function |
|
*> name, so that |
|
*> |
|
*> DNRM2 := sqrt( x'*x ) |
|
*> \endverbatim |
|
* |
|
* Authors: |
|
* ======== |
|
* |
|
*> \author Univ. of Tennessee |
|
*> \author Univ. of California Berkeley |
|
*> \author Univ. of Colorado Denver |
|
*> \author NAG Ltd. |
|
* |
|
*> \date November 2011 |
|
* |
|
*> \ingroup double_blas_level1 |
|
* |
|
*> \par Further Details: |
|
* ===================== |
|
*> |
|
*> \verbatim |
|
*> |
|
*> -- This version written on 25-October-1982. |
|
*> Modified on 14-October-1993 to inline the call to DLASSQ. |
|
*> Sven Hammarling, Nag Ltd. |
|
*> \endverbatim |
|
*> |
|
* ===================================================================== |
DOUBLE PRECISION FUNCTION DNRM2(N,X,INCX) |
DOUBLE PRECISION FUNCTION DNRM2(N,X,INCX) |
|
* |
|
* -- Reference BLAS level1 routine (version 3.4.0) -- |
|
* -- Reference BLAS is a software package provided by Univ. of Tennessee, -- |
|
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
|
* November 2011 |
|
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INCX,N |
INTEGER INCX,N |
* .. |
* .. |
Line 6
|
Line 66
|
DOUBLE PRECISION X(*) |
DOUBLE PRECISION X(*) |
* .. |
* .. |
* |
* |
* Purpose |
|
* ======= |
|
* |
|
* DNRM2 returns the euclidean norm of a vector via the function |
|
* name, so that |
|
* |
|
* DNRM2 := sqrt( x'*x ) |
|
* |
|
* Further Details |
|
* =============== |
|
* |
|
* -- This version written on 25-October-1982. |
|
* Modified on 14-October-1993 to inline the call to DLASSQ. |
|
* Sven Hammarling, Nag Ltd. |
|
* |
|
* ===================================================================== |
* ===================================================================== |
* |
* |
* .. Parameters .. |
* .. Parameters .. |