puts "============"
puts "CR28183"
puts "==========="
puts ""
###############################################################################
# BRepExtrema_DistShapeShape does not find all solutions
###############################################################################

pload MODELING

restore [locate_data_file bug28175_borders2.brep] b
restore [locate_data_file bug28175_segments2.brep] s
explode b
explode s

set ref_nbsol 4
set ref_dist 1e-7

# find extremum points
set res [distmini r s_511 b_2]
set redges [lrange [lindex [split $res \n] 1] 1 end]
set nbsol [llength $redges]
set dist [dval r_val]

# display curves and points
don b_2 s_511
foreach q $redges { display $q; foreach v [explode $q] { display $v } }

if { $dist > $ref_dist } {
  puts "Error: too big distance is reported: $dist"
} else {
  puts "OK: reported distance $dist is below $ref_dist"
}

if {$nbsol != $ref_nbsol} {
  puts "Error: $ref_nbsol solutions expected, but $nbsol found"
} else {
  puts "OK: $ref_nbsol solutions are found"
}