puts "========"
puts "OCC27704"
puts "========"
puts ""
#################################################
# Numeric inaccuracy due to huge extension of the offset faces
#################################################

# Input shell contains two planar faces with linear edges.
# The result of offset operation is also expected to contain
# only simple geometries (planes, lines, 2d lines).
# Due to inaccuracy SameParameter can convert 2d lines
# into 2d BSpline curves.

restore [locate_data_file bug27704.brep] s
offsetparameter 1e-7 p i
offsetload s 1
offsetperform result
if {[regexp {BSpline} [dump result]]} {
  puts "Error: BSpline is created"
}