2 puts "0031407: Extrema does not process parallel circles correctly"
6 circle c1 0 0 0 0 0 1 5
7 circle c2 0 0 0 0 0 1 10
12 set res_extrema [extrema cc1 cc2]
14 if { [regexp "Infinite number of extremas" $res_extrema] == 0} {
15 if {[llength $res_extrema] != 1} {
16 puts "Error : expected 1 extrema, but found [llength $res_extrema]"
19 puts "Error : Infinite number of extremas is found"