id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
4119	singulare model pass backend	Vitalij Ruge	somebody	"We gerenate for the follwoing example, wrong C and Cpp code.
But we should failed in the Backend or Frondend check, because we have a duplicate equation(singular model).
{{{#!modelica
model foo
  function f
    input Real[2] x;
    output Real[2] y;
    output Real[2] z;
  algorithm
    y[1] := 2*x[1]^2 + 1; y[2] := 3*x[2]^3 + 2;
    z[1] := -y[1]/2+1/2+7; z[2] := -y[2]/3+2/3-7;
  end f;

  Real[2] y(each start = -1);
  Real[2] w(each start = -1);
  Real z1, z2, z3;
equation
  (, w) = f({y[1] + z3, y[2]});
  (, w) = f({y[1] + z3, y[2]}); // duplicate eq
  der(y[1]) = -z1*y[2] +1;
  der(y[2]) = -z2*y[1] + z1*y[2] +3;
  z3 = time;
end foo;
}}}"	defect	closed	high	Future	Backend		worksforme