[FMI] Check external FMU simulator

  - Simulate bouncing ball model with fmuCheck and validate results.
  - Added test to cross-build-fmu in Jenkinsfile

testsuite/special/FmuExportCrossCompile/check-files.mos

@@ -1,4 +1,4 @@
-for m in {"FmuExportCrossCompile","RoomHeating_OM_RH","WaterTank_Control","WaterTank_TestSingleWaterTank"} loop
+for m in {"FmuExportCrossCompile","RoomHeating_OM_RH","WaterTank_Control","WaterTank_TestSingleWaterTank","BouncingBall"} loop
 for os in {"linux32","linux64","win32","win64","darwin64","arm-linux-gnueabi"} loop // "darwin32"
 for t in {"me","cs"} loop
 

testsuite/special/FmuExportCrossCompile/fmuExportCrossCompile.mos

@@ -16,6 +16,30 @@ if not loadFile("WaterTank.mo") then
   exit(1);
 end if;
 getErrorString();
+if not loadString("model BouncingBall
+  parameter Real e=0.7 \"coefficient of restitution\";
+  parameter Real g=9.81 \"gravity acceleration\";
+  Real h(fixed=true, start=1) \"height of ball\";
+  Real v(fixed=true) \"velocity of ball\";
+  Boolean flying(fixed=true, start=true) \"true, if ball is flying\";
+  Boolean impact;
+  Real v_new(fixed=true);
+  Integer foo;
+equation
+  impact = h <= 0.0;
+  foo = if impact then 1 else 2;
+  der(v) = if flying then -g else 0;
+  der(h) = v;
+  when {h <= 0.0 and v <= 0.0,impact} then
+    v_new = if edge(impact) then -e*pre(v) else 0;
+    flying = v_new > 0;
+    reinit(v, v_new);
+  end when;
+end BouncingBall;") then
+  print(getErrorString());
+  exit(1);
+end if;
+getErrorString();
 if not loadString("model FmuExportCrossCompile
   parameter Real e=0.7;
   parameter Real g=9.81;
@@ -59,7 +83,7 @@ platforms := if false then {
   "i686-w64-mingw32"
 };
 
-for c in {"FmuExportCrossCompile","RoomHeating_OM.RH","WaterTank.Control","WaterTank.TestSingleWaterTank"} loop
+for c in {"FmuExportCrossCompile","RoomHeating_OM.RH","WaterTank.Control","WaterTank.TestSingleWaterTank","BouncingBall"} loop
   c2 := stringReplace(c, ".", "_");
   print(c2+"
 ");