DLARGV man page on IRIX

DLARGV man page on IRIX

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DLARGV(3F)							    DLARGV(3F)

NAME
     DLARGV - generate a vector of real plane rotations, determined by
     elements of the real vectors x and y

SYNOPSIS
     SUBROUTINE DLARGV( N, X, INCX, Y, INCY, C, INCC )

	 INTEGER	INCC, INCX, INCY, N

	 DOUBLE		PRECISION C( * ), X( * ), Y( * )

PURPOSE
     DLARGV generates a vector of real plane rotations, determined by elements
     of the real vectors x and y. For i = 1,2,...,n

	(  c(i)	 s(i) ) ( x(i) ) = ( a(i) )
	( -s(i)	 c(i) ) ( y(i) ) = (   0  )

ARGUMENTS
     N	     (input) INTEGER
	     The number of plane rotations to be generated.

     X	     (input/output) DOUBLE PRECISION array,
	     dimension (1+(N-1)*INCX) On entry, the vector x.  On exit, x(i)
	     is overwritten by a(i), for i = 1,...,n.

     INCX    (input) INTEGER
	     The increment between elements of X. INCX > 0.

     Y	     (input/output) DOUBLE PRECISION array,
	     dimension (1+(N-1)*INCY) On entry, the vector y.  On exit, the
	     sines of the plane rotations.

     INCY    (input) INTEGER
	     The increment between elements of Y. INCY > 0.

     C	     (output) DOUBLE PRECISION array, dimension (1+(N-1)*INCC)
	     The cosines of the plane rotations.

     INCC    (input) INTEGER
	     The increment between elements of C. INCC > 0.

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