carta
dswap(3)

dswap3

Part of dswap.f(3).

Usage

Functions/Subroutines

DSWAP

Function/Subroutine Documentation

subroutine dswap (integer n, double precision, dimension(*) dx, integer incx, double precision, dimension(*) dy, integer incy)

DSWAP

Purpose:

!>
!>    DSWAP interchanges two vectors.
!>    uses unrolled loops for increments equal to 1.
!> 

Parameters

N

!>          N is INTEGER
!>         number of elements in input vector(s)
!> 

DX

!>          DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!> 

INCX

!>          INCX is INTEGER
!>         storage spacing between elements of DX
!> 

DY

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

INCY

!>          INCY is INTEGER
!>         storage spacing between elements of DY
!> 

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Further Details:

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

Definition at line 81 of file dswap.f.

History

  • Arch Linux 2026-11-01: the text shown here
  • Debian 12 (Bookworm)
  • Debian 11 (Bullseye)
  • Debian 10 (Buster)
  • Debian 9 (Stretch)

Author

Generated automatically by Doxygen for LAPACK from the source code.

From lapack-doc 3.12.1-2 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.