puts "============"
puts "OCC23706"
puts "============"
puts ""
#########################################################################
# Cannot project point on curve
#########################################################################

cpulimit 1500

bsplinecurve r9 2 6 1 3 2 1 3 1 4 1 5 1 6 3 4 -3 3 1 6 8 3 1 10 11 3 1 10 11 3 1 10 11 3 1 14 14 3 1 5 8 3 1
bsplinecurve r10 2 6 2 3 2.5 1 3 1 3.5 1 4 1 4.5 3 5 20 3 1 8 15 3 1 12 18 3 1 12 18 3 1 12 18 3 1 16 21 3 1 7 12 3 1

set info [extrema r9 r10]

if { [llength $info] != 1 } {
    puts "Error : Extrema is wrong"
} else {
    puts "OK: Extrema is valid"
}