subroutine daxpy (N, DA, DX, INCX, DY, INCY)
DAXPY
DAXPY
Purpose:
DAXPY constant times a vector plus a vector. uses unrolled loops for increments equal to one.
Parameters:
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 California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
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.
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