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clartv.f(3) LAPACK clartv.f(3)

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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