puts "========"
puts "OCC29712"
puts "========"
puts ""
#################################################
# Extrema algorithm raises exception
#################################################

# Curves c1 and c2 are concentric circles.
# However, they are bounded (trimmed) curves
# and are shifted relatively to each other.

set ExpDist 50.0

circle c1 0 0 0 0 0 1 100
circle c2 0 0 0 0 0 1 50
trim c1 c1 0 3
trim c2 c2 -3.5 -1.5

regexp {Infinite number of extremas, distance = +([-0-9.+eE]+)} [extrema c1 c2] full aDist1
checkreal Distance $aDist1 $ExpDist 1.0e-7 0.0

regexp {Infinite number of extremas, distance = +([-0-9.+eE]+)} [extrema c2 c1] full aDist2
checkreal Distance $aDist2 $ExpDist 1.0e-7 0.0