SRC/dlartv.f(3)

NAME
SRC/dlartv.f

SYNOPSIS

  Functions/Subroutines
subroutine dlartv (n, x, incx, y, incy, c, s, incc)
DLARTV applies a vector of plane rotations with real cosines and real sines to the elements of a pair of vectors.

Function/Subroutine Documentation

  subroutine dlartv (integer n, double precision, dimension( * ) x, integer incx, double precision, dimension( * ) y, integer incy, double precision, dimension( * ) c, double precision, dimension( * ) s, integer incc)

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

Purpose:

     DLARTV applies a vector of real plane rotations to elements of the
     real vectors x and y. For i = 1,2,...,n
        ( x(i) ) := (  c(i)  s(i) ) ( x(i) )
        ( y(i) )    ( -s(i)  c(i) ) ( y(i) )

Parameters
    N

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

    X

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

    INCX

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

    Y

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

    INCY

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

    C

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

    S

              S is DOUBLE PRECISION 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.

Definition at line 107 of file dlartv.f.

Author

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