LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
clartv.f File Reference

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Functions/Subroutines

subroutine CLARTV (N, X, INCX, Y, INCY, C, S, INCC)
 CLARTV

Function/Subroutine Documentation

subroutine CLARTV ( INTEGER  N,
COMPLEX, dimension( * )  X,
INTEGER  INCX,
COMPLEX, dimension( * )  Y,
INTEGER  INCY,
REAL, dimension( * )  C,
COMPLEX, dimension( * )  S,
INTEGER  INCC 
)

CLARTV

Download CLARTV + dependencies [TGZ] [ZIP] [TXT]
Purpose:

 CLARTV applies a vector of complex plane rotations with real cosines
 to elements of the complex vectors x and y. For i = 1,2,...,n

    ( x(i) ) := (        c(i)   s(i) ) ( x(i) )
    ( y(i) )    ( -conjg(s(i))  c(i) ) ( y(i) )
 
Parameters:
[in]N
          N is INTEGER
          The number of plane rotations to be applied.
 
[in,out]X
          X is COMPLEX array, dimension (1+(N-1)*INCX)
          The vector x.
 
[in]INCX
          INCX is INTEGER
          The increment between elements of X. INCX > 0.
 
[in,out]Y
          Y is COMPLEX array, dimension (1+(N-1)*INCY)
          The vector y.
 
[in]INCY
          INCY is INTEGER
          The increment between elements of Y. INCY > 0.
 
[in]C
          C is REAL array, dimension (1+(N-1)*INCC)
          The cosines of the plane rotations.
 
[in]S
          S is COMPLEX array, dimension (1+(N-1)*INCC)
          The sines of the plane rotations.
 
[in]INCC
          INCC is INTEGER
          The increment between elements of C and S. INCC > 0.
 
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011

Definition at line 108 of file clartv.f.

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