puts "# ============"
puts "# 0031381: Foundation Classes - wrong evaluations for rational BSpline curves using Adaptor curves "
puts "# ============"
puts ""
puts "Eliminate output of approxcurve command"
puts "REQUIRED ALL: Error   4.32754e-05" 

circle c 0 0 1
puts "Get rational BSpline curve of degree 2"
convert c c
puts "Get offset curve to force calculation of D3 for base curve when algorithm needs D2 for offset"
offset oc c -.5
puts "Approximate offset curve with continuity C2"
approxcurve ac oc 1.e-4 2 5 25
checklength ac -l 3.1415850499856011