/// <summary>
/// Add controller code for output/memory variable 'var'
/// </summary>
/// <param name="ctx"></param>
/// <param name="solver"></param>
/// <param name="variable"></param>
protected override void AddController(Microsoft.Z3.Context ctx, Microsoft.Z3.Solver solver, string varName)
{
FixedPointNumber var = discreteVariablesByName[varName];
FixedPointNumber expr = assigns[varName];
BoolExprWithOverflow assert = ctx.MkFPEq(var, expr);
solver.Assert(assert.bv);
}
static public FixedPointNumber MkFPITE(this Context ctx, BoolExprWithOverflow test, FixedPointNumber A, FixedPointNumber B)
{
Contract.Requires(A != null);
Contract.Requires(B != null);
Contract.Requires(A.bits == B.bits);
Contract.Requires(A.decimals == B.decimals);
var overflow = ctx.MkOr(test.overflow, A.overflow, B.overflow);
return(new FixedPointNumber(A.bits, A.decimals, (BitVecExpr)ctx.MkITE(test.bv, A.bv, B.bv), overflow, String.Format("ITE({0},{1},{2})", test.Expr, A.Expr, B.Expr)));
}