puts "======="
puts "OCC31697 - Expr_GeneralExpression::Derivative does not seem to work"
puts "======="
puts ""


pload QAcommands

set exp Exp(2*Sin(x^2))
set var x
set list [OCC31697 $exp $var]

set we_have [lindex $list 10]
puts "we_have = $we_have"

set must_be "Exp(2*Sin(x^2))*Cos(x^2)*x*4"
puts "must_be = $must_be"


if  {[string compare $we_have $must_be] == 0} {
  puts "OCC31697 OK"
} else {      
   puts "OCC31697 Faulty"	 
}