puts "========="
puts "CR23981"
puts "========="
puts ""
###############################
## Wrong section curves
###############################

restore [locate_data_file bug23981_s1.draw] s1
restore [locate_data_file bug23981_s2.draw] s2

intersect i s1 s2

puts "First test"
dlog reset
dlog on
xdistcs i_1 s1 0 1 100
set Log1 [dlog get]

set List1 [split ${Log1} {TD= \t\n}]

set L1 [llength ${List1}]
set L2 10
set L3 5
set N [expr (${L1} - ${L2})/${L3} + 1]
set Tolerance 1.0e-5
set D_good 0.

for {set i 1} {${i} <= ${N}} {incr i} {
   set j1 [expr ${L2} + (${i}-1)*${L3}]
   set j2 [expr ${j1} + 2]
   set T [lindex ${List1} ${j1}]
   set D [lindex ${List1} ${j2}]
   #puts "i=${i} j1=${j1} j2=${j2} T=${T} D=${D}"
   if { [expr abs(${D} - ${D_good})] > ${Tolerance} } {
      puts "Error: i=${i} T=${T} D=${D}"
   }
}


puts "Second test"
dlog reset
dlog on
xdistcs i_2 s1 0 1 100
set Log2 [dlog get]

set List2 [split ${Log2} {TD= \t\n}]

set L1 [llength ${List2}]
set L2 10
set L3 5
set N [expr (${L1} - ${L2})/${L3} + 1]
set Tolerance 1.0e-5
set D_good 0.

for {set i 1} {${i} <= ${N}} {incr i} {
   set j1 [expr ${L2} + (${i}-1)*${L3}]
   set j2 [expr ${j1} + 2]
   set T [lindex ${List2} ${j1}]
   set D [lindex ${List2} ${j2}]
   #puts "i=${i} j1=${j1} j2=${j2} T=${T} D=${D}"
   if { [expr abs(${D} - ${D_good})] > ${Tolerance} } {
      puts "Error: i=${i} T=${T} D=${D}"
   }
}

smallview
fit
set only_screen_axo 1