#!/bin/sh
set -e
# CBRN area fraction (in %)

if [ $# -ne 3 ] ; then
  echo "Error in $0: invalid number of arguments $#"
  exit 1
fi

pfx=$1
inp=$2
out=$3

release inp
access  inp ${pfx}_${inp}

nlat="   64"
lonsl="  128"
echo "C*MKWGHT  $nlat    1$lonsl    1$nlat  1 0    0" | ccc mkwght grid_cell_area_fraction
echo "          510099699." | ccc xlin grid_cell_area_fraction grid_cell_area
div inp grid_cell_area ${pfx}_${out}

release inp grid_cell_area_fraction grid_cell_area