OCCT

puts "========"
puts "OCC26075"
puts "========"
puts ""
###########################################################################
# Make Extrema_GenExtCC return IsParallel flag in case of parallel curves
###########################################################################

restore [locate_data_file dist1-s1.brep] s1
restore [locate_data_file dist1-s2.brep] s2
mkcurve c1 s1
mkcurve c2 s2
set bug_info [extrema c1 c2]

set bug_info [string range $bug_info [expr {[string first "Infinite" $bug_info]}] [expr {[string first "distance" $bug_info] - 3}]]
if {$bug_info != "Infinite number of extremas"} {
  puts "ERROR: OCC26075 is reproduced. Flag IsParallel is not returned."
}