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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
# ALIM -- Compute the limits (minimum and maximum values) of a vector.
procedure alim$t (a, npix, minval, maxval)
PIXEL a[ARB], minval, maxval, value
int npix, i
begin
minval = a[1]
maxval = a[1]
do i = 1, npix {
value = a[i]
$if (datatype == x)
if (abs(value) < abs(minval))
minval = value
else if (abs(value) > abs(maxval))
maxval = value
$else
if (value < minval)
minval = value
else if (value > maxval)
maxval = value
$endif
}
end
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