puts "========"
puts "OCC26426"
puts "========"
puts ""
################################################################################################################
# Draft angle algorithm modifies input argument + the result of the operation have very large tolerance values
################################################################################################################

restore [locate_data_file OCC26426-prism_shape.brep] b

set bug_info_0 [tolerance b]
set bug_info_0 [lindex $bug_info_0 1]
set bug_info_0 [string trim [string range $bug_info_0 [expr {[string first "=" $bug_info_0] + 1}] [expr {[string length $bug_info_0] - 1}]]]

explode b f
depouille r b 0 0 -1 b_1 -10 0 0 -40 0 0 1

set bug_info_1 [tolerance b]
set bug_info_1 [lindex $bug_info_1 1]
set bug_info_1 [string trim [string range $bug_info_1 [expr {[string first "=" $bug_info_1] + 1}] [expr {[string length $bug_info_1] - 1}]]]

set bug_info_2 [tolerance r]
set bug_info_2 [lindex $bug_info_2 1]
set bug_info_2 [string trim [string range $bug_info_2 [expr {[string first "=" $bug_info_2] + 1}] [expr {[string length $bug_info_2] - 1}]]]

if {$bug_info_0 < $bug_info_1} {
  puts "ERROR: OCC26426 is reproduced. Tolerance has been increased (case 1)."
}

if {[expr {$bug_info_0 + 0.0000001}] < $bug_info_2} {
  puts "ERROR: OCC26426 is reproduced. Tolerance has been increased (case 2)."
}