puts "============"
puts "OCC26447"
puts "============"
puts ""
##############################################################
# Performance degradation intersecting cylindrical surfaces
#############################################################

cylinder c1 0 0 0 1 0 0 0 -1 0 100
cylinder c2 0 0 0 0 1 0 1 0 0 100
mkface f1 c1
mkface f2 c2

dchrono cr reset
dchrono cr start

for {set i 1} {$i <= 1000} {incr i} {
  bopcurves f1 f2
}

dchrono cr stop
if { [string compare $tcl_platform(platform) "windows"] == 0 } {
  set max_time 7.5
} else {
  set max_time 4.5
}
set TimeList [dchrono cr show]
regexp {Elapsed time: [-0-9.+eE]+ Hours [-0-9.+eE]+ Minutes ([-0-9.+eE]+) Seconds} $TimeList full ElapsedTime_sec

if { ${ElapsedTime_sec} > ${max_time} } {
  puts "Error: Elapsed time of intersecting is more than ${max_time} seconds"
} else {
  puts "OK: Elapsed time of intersecting is less than ${max_time} seconds"
}
