--- rpl/lapack/lapack/drscl.f 2010/12/21 13:53:37 1.7 +++ rpl/lapack/lapack/drscl.f 2011/11/21 20:43:03 1.8 @@ -1,9 +1,93 @@ +*> \brief \b DRSCL +* +* =========== DOCUMENTATION =========== +* +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ +* +*> \htmlonly +*> Download DRSCL + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> +*> [TXT] +*> \endhtmlonly +* +* Definition: +* =========== +* +* SUBROUTINE DRSCL( N, SA, SX, INCX ) +* +* .. Scalar Arguments .. +* INTEGER INCX, N +* DOUBLE PRECISION SA +* .. +* .. Array Arguments .. +* DOUBLE PRECISION SX( * ) +* .. +* +* +*> \par Purpose: +* ============= +*> +*> \verbatim +*> +*> DRSCL multiplies an n-element real vector x by the real scalar 1/a. +*> This is done without overflow or underflow as long as +*> the final result x/a does not overflow or underflow. +*> \endverbatim +* +* Arguments: +* ========== +* +*> \param[in] N +*> \verbatim +*> N is INTEGER +*> The number of components of the vector x. +*> \endverbatim +*> +*> \param[in] SA +*> \verbatim +*> SA is DOUBLE PRECISION +*> The scalar a which is used to divide each component of x. +*> SA must be >= 0, or the subroutine will divide by zero. +*> \endverbatim +*> +*> \param[in,out] SX +*> \verbatim +*> SX is DOUBLE PRECISION array, dimension +*> (1+(N-1)*abs(INCX)) +*> The n-element vector x. +*> \endverbatim +*> +*> \param[in] INCX +*> \verbatim +*> INCX is INTEGER +*> The increment between successive values of the vector SX. +*> > 0: SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i), 1< i<= n +*> \endverbatim +* +* Authors: +* ======== +* +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. +* +*> \date November 2011 +* +*> \ingroup doubleOTHERauxiliary +* +* ===================================================================== SUBROUTINE DRSCL( N, SA, SX, INCX ) * -* -- LAPACK auxiliary routine (version 3.2) -- +* -- LAPACK auxiliary routine (version 3.4.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* November 2006 +* November 2011 * * .. Scalar Arguments .. INTEGER INCX, N @@ -13,31 +97,6 @@ DOUBLE PRECISION SX( * ) * .. * -* Purpose -* ======= -* -* DRSCL multiplies an n-element real vector x by the real scalar 1/a. -* This is done without overflow or underflow as long as -* the final result x/a does not overflow or underflow. -* -* Arguments -* ========= -* -* N (input) INTEGER -* The number of components of the vector x. -* -* SA (input) DOUBLE PRECISION -* The scalar a which is used to divide each component of x. -* SA must be >= 0, or the subroutine will divide by zero. -* -* SX (input/output) DOUBLE PRECISION array, dimension -* (1+(N-1)*abs(INCX)) -* The n-element vector x. -* -* INCX (input) INTEGER -* The increment between successive values of the vector SX. -* > 0: SX(1) = X(1) and SX(1+(i-1)*INCX) = x(i), 1< i<= n -* * ===================================================================== * * .. Parameters ..