daxpy.f

Section: LAPACK (3)
Updated: Tue Nov 14 2017
Page Index
 

NAME

daxpy.f  

SYNOPSIS


 

Functions/Subroutines


subroutine daxpy (N, DA, DX, INCX, DY, INCY)
DAXPY  

Function/Subroutine Documentation

 

subroutine daxpy (integer N, double precision DA, double precision, dimension(*) DX, integer INCX, double precision, dimension(*) DY, integer INCY)

DAXPY

Purpose: 

    DAXPY constant times a vector plus a vector.
    uses unrolled loops for increments equal to one.


 

Parameters:

N 

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


DA 

          DA is DOUBLE PRECISION
           On entry, DA specifies the scalar alpha.


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.

Date:

November 2017

Further Details: 

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


 

Definition at line 91 of file daxpy.f.  

Author

Generated automatically by Doxygen for LAPACK from the source code.

 

Index

NAME
SYNOPSIS
Functions/Subroutines
Function/Subroutine Documentation
subroutine daxpy (integer N, double precision DA, double precision, dimension(*) DX, integer INCX, double precision, dimension(*) DY, integer INCY)
Author