double precision function ddot (N, DX, INCX, DY, INCY)
DDOT
DDOT
Purpose:
DDOT forms the dot product of two vectors. uses unrolled loops for increments equal to one.
Parameters:
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 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 84 of file ddot.f.
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