# saxpy.f - Man Page

## Synopsis

### Functions/Subroutines

subroutine **saxpy** (**N**, SA, SX, INCX, SY, INCY)**SAXPY**

## Function/Subroutine Documentation

### subroutine saxpy (integer N, real SA, real, dimension(*) SX, integer INCX, real, dimension(*) SY, integer INCY)

**SAXPY**

**Purpose:**

SAXPY 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)

*SA*SA is REAL On entry, SA specifies the scalar alpha.

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

*INCX*INCX is INTEGER storage spacing between elements of SX

*SY*SY is REAL array, dimension ( 1 + ( N - 1 )*abs( INCY ) )

*INCY*INCY is INTEGER storage spacing between elements of SY

**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 saxpy.f.

## Author

Generated automatically by Doxygen for LAPACK from the source code.

## Referenced By

The man page saxpy(3) is an alias of saxpy.f(3).

Tue Nov 14 2017 Version 3.8.0 LAPACK