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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# ASUM -- Vector sum. Take care to prevent integer overflow by returning
# a floating point sum.
real procedure asumr (a, npix)
real a[ARB]
int npix
int i
real sum
begin
sum = 0.0
do i = 1, npix
sum = sum + a[i]
return (sum)
end
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