OCCT

puts "============"
puts "CR25737"
puts "============"
puts ""
###################################################################################
# GCPnts_TangentialDeflection does not produce points to approximate a knee
###################################################################################

restore [locate_data_file bug25737_face3535.brep] a

explode a e
mkcurve c a_1

smallview
donly a_1
fit

set deflection 1.
set angular_deflection 0.349
set info [crvtpoints r c ${deflection} ${angular_deflection}]

set str1 "Nb points +: +(\[-0-9.+eE\]+)\n"
set str2 "Max defl: +(\[-0-9.+eE\]+) +(\[-0-9.+eE\]+) +(\[-0-9.+eE\]+) +(\[-0-9.+eE\]+)"

regexp "${str1}${str2}" ${info} full Nb dmax ufmax ulmax i

#-1
set min_Nb 7
if { ${Nb} < ${min_Nb} } {
    puts "Error : bad value of Nb points=${Nb}"
}

#-2
if { ${dmax} > ${deflection} } {
    puts "Error : bad value of deflection=${dmax}"
}

checkview -screenshot -2d -path ${imagedir}/${test_image}.png