C Library Functions  - drot (3)

NAME

drot(3f) - [BLAS:SINGLE_BLAS_LEVEL1] DROT applies a plane rotation.

CONTENTS

Synopsis
Definition
Options
Authors
     Further Details
See Also

SYNOPSIS

subroutine drot(n,dx,incx,dy,incy,c,s) applies a plane rotation.

      .. Scalar Arguments ..
      double precision,intent(in)    :: c,s
      integer,intent(in)             :: incx,incy,n
      ..
      .. Array Arguments ..
      double precision,intent(inout) :: dx(*),dy(*)
      ..

DEFINITION

DROT applies a plane rotation.

OPTIONS

    N

number of elements in input vector(s)

    DX

array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

    INCX

storage spacing between elements of DX

    DY

DY is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCY ) )

    INCY

storage spacing between elements of DY

    C

    S

AUTHORS

o Univ. of Tennessee
o Univ. of California Berkeley
o Univ. of Colorado Denver
o NAG Ltd.

 date:November 2017

\ingroup double_blas_level1

    FURTHER DETAILS

jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)

SEE ALSO

Online html documentation available at http://www.netlib.org/lapack/explore-html/


Nemo Release 3.1 drot (3) July 22, 2023
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