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levels="3 4 5 6"
if test x$donotrun != xtrue; then
rm -f error
for level in $levels; do
if gerris2D -DLEVEL=$level $1 >> error; then :
else
exit 1
fi
done
fi
if cat <<EOF | gnuplot ; then :
set term postscript eps color lw 3 solid 20 enhanced
set output 'convergence.eps'
set xlabel 'Spatial resolution'
set ylabel 'Error norms'
set logscale
set grid
set xtics 2
set key spacing 1.5 bottom left
ftitle(a,b) = sprintf("%.3g/x^{%4.2f}", exp(a), -b)
f2(x)=a2+b2*x
fit [3:]f2(x) 'error' u (log(2**\$1)):(log(\$3)) via a2,b2
fm(x)=am+bm*x
fit [3:]fm(x) 'error' u (log(2**\$1)):(log(\$4)) via am,bm
plot [6:80]'error' u (2**\$1):3 t 'L2' w p ps 2, exp(f2(log(x))) t ftitle(a2,b2), \
'error' u (2**\$1):4 t 'Max' w p ps 2, exp(fm(log(x))) t ftitle(am,bm)
EOF
else
exit 1
fi
if cat <<EOF | python3 ; then :
from check import *
from sys import *
if (Curve('error',1,4) - Curve('error.ref',1,4)).max() > 1e-6:
exit(1)
EOF
else
exit 1
fi
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