BLAS/SRC/saxpy.f(3) | Library Functions Manual | BLAS/SRC/saxpy.f(3) |
NAME
BLAS/SRC/saxpy.f
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.
Further Details:
jack dongarra, linpack, 3/11/78. modified 12/3/93, array(1) declarations changed to array(*)
Definition at line 88 of file saxpy.f.
Author
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