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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 150.0
circle c1 0 0 0 0 0 1 100
circle c2 0 0 0 0 0 1 50
trim c1 c1 0 pi
trim c2 c2 -9.4 -7.4
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
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