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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# ALOV -- Compute the low value (minimum) of a vector.
PIXEL procedure alov$t (a, npix)
PIXEL a[ARB]
int npix
PIXEL low, pixval
$if (datatype == x)
real abs_low
$endif
int i
begin
low = a[1]
$if (datatype == x)
abs_low = abs (low)
$endif
do i = 1, npix {
pixval = a[i]
$if (datatype == x)
if (abs (pixval) < abs_low) {
low = pixval
abs_low = abs (low)
}
$else
if (pixval < low)
low = pixval
$endif
}
return (low)
end
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