puts [DT_ShapeConvertRev result a 1 1]

set expsh [expshape result 0 0]
set nb_plane 0
set nb_other_surf 0
set nb_curve 0
set nb_pcurve 0
regexp {Number +of +Planes +- +([-0-9.+eE]+)} $expsh full nb_plane
regexp {Number +of +other +surfaces +- +([-0-9.+eE]+)} $expsh full nb_other_surf
regexp {Number +of +other +curves +- +([-0-9.+eE]+)} $expsh full nb_curve
regexp {Number +of +other +pcurves +- +([-0-9.+eE]+)} $expsh full nb_pcurve
if { $nb_plane != 0 || $nb_other_surf != 0 || $nb_curve != 0 || $nb_pcurve != 0} {
   puts "Error : shape result is not correct"
}
regexp {Mass +: +([-0-9.+eE]+)} [sprops a] full mass
regexp {Mass +: +([-0-9.+eE]+)} [sprops result] full m

if { ($mass != 0 && [expr 1.*abs($mass - $m)/$mass] > 0.01) || ($mass == 0 && $m != 0) } {
   puts "Error : The square of result shape is $m"
} else {
   puts "Squares of shapes a and result is equal"
}