From New CPS615 Foils-- 28 August 95 CPS615 Basic Simulation Track for Computational Science -- Fall Semester 95. byNancy McCracken and Geoffrey C. Fox
Let a be an array of integer or real numbers of any size and shape
Sum reduction(a) = S ai where sum over i runs over index set of a
Sum is the Fortran90 function for sum reduction of the entire array a