puts "============"
puts "OCC26957"
puts "============"
puts ""
###########################################################
## Unify same domain operation is slow for multiple shells
###########################################################

restore [locate_data_file bug26957-w-700.brep] a1

nbshapes a1
regexp {([-0-9.+eE]+)} [time {unifysamedom r1 a1}] full t1
puts "t1=$t1"

sewing a2 0.0 a1

puts ""
nbshapes a2
regexp {([-0-9.+eE]+)} [time {unifysamedom r2 a2}] full t2
puts "t2=$t2"

set tol_rel 0.1
if { [expr (${t1}*1. - ${t2}) / ${t2}] > ${tol_rel}} {
   puts "Error: Unify same domain operation is slow for multiple shells"
}