rpl/lapack/lapack/zlarfg.f - diff

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version 1.7, 2010/12/21 13:53:51	version 1.8, 2011/07/22 07:38:17
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SUBROUTINE ZLARFG( N, ALPHA, X, INCX, TAU )	SUBROUTINE ZLARFG( N, ALPHA, X, INCX, TAU )
*	*
* -- LAPACK auxiliary routine (version 3.2) --	* -- LAPACK auxiliary routine (version 3.3.1) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --	* -- LAPACK 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 2006	* -- April 2011 --
*	*
* .. Scalar Arguments ..	* .. Scalar Arguments ..
INTEGER INCX, N	INTEGER INCX, N
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* ZLARFG generates a complex elementary reflector H of order n, such	* ZLARFG generates a complex elementary reflector H of order n, such
* that	* that
*	*
* H' * ( alpha ) = ( beta ), H' * H = I.	* H*H ( alpha ) = ( beta ), H*H H = I.
* ( x ) ( 0 )	* ( x ) ( 0 )
*	*
* where alpha and beta are scalars, with beta real, and x is an	* where alpha and beta are scalars, with beta real, and x is an
* (n-1)-element complex vector. H is represented in the form	* (n-1)-element complex vector. H is represented in the form
*	*
* H = I - tau * ( 1 ) * ( 1 v' ) ,	* H = I - tau * ( 1 ) * ( 1 v**H ) ,
* ( v )	* ( v )
*	*
* where tau is a complex scalar and v is a complex (n-1)-element	* where tau is a complex scalar and v is a complex (n-1)-element