clartv.f (3) - Linux Man Pages

NAME

clartv.f -

SYNOPSIS


Functions/Subroutines


subroutine clartv (N, X, INCX, Y, INCY, C, S, INCC)
CLARTV applies a vector of plane rotations with real cosines and complex sines to the elements of a pair of vectors.

Function/Subroutine Documentation

subroutine clartv (integerN, complex, dimension( * )X, integerINCX, complex, dimension( * )Y, integerINCY, real, dimension( * )C, complex, dimension( * )S, integerINCC)

CLARTV applies a vector of plane rotations with real cosines and complex sines to the elements of a pair of vectors.

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:

N

          N is INTEGER
          The number of plane rotations to be applied.


X

          X is COMPLEX array, dimension (1+(N-1)*INCX)
          The vector x.


INCX

          INCX is INTEGER
          The increment between elements of X. INCX > 0.


Y

          Y is COMPLEX array, dimension (1+(N-1)*INCY)
          The vector y.


INCY

          INCY is INTEGER
          The increment between elements of Y. INCY > 0.


C

          C is REAL array, dimension (1+(N-1)*INCC)
          The cosines of the plane rotations.


S

          S is COMPLEX array, dimension (1+(N-1)*INCC)
          The sines of the plane rotations.


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:

September 2012

Definition at line 108 of file clartv.f.

Author

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