puts "===========================================================" puts "0031402: Geom_BSplineSurface::Segment produces wrong result" puts "===========================================================" puts "" 2dbsplinecurve curve 3 4 \ 0 3 1.5 1 2.5 3 3 2 \ 1.0 3.0 1 \ 1.4 3.7 1 \ 1.8 4.1 1 \ 2.2 4.5 1 \ 2.5 4.8 1 \ 2.7 4.9 1 \ 3.0 5.0 1 \ 3.3 5.2 1 segment curve 1.5000000001 2.4999999999998 bounds curve u1 u2 checkreal "U1" [dval u1] 1.5 0.001 0.0001 checkreal "U2" [dval u2] 2.5 0.001 0.0001