public static BoolExpr GetSpec(ERelationalOperators opr, ArithExpr arg_1, ArithExpr arg_2, Context ctx)
{
switch (opr)
{
case (ERelationalOperators.Eq):
return(ctx.MkEq(arg_1, arg_2));
case (ERelationalOperators.Gt):
return(ctx.MkGt(arg_1, arg_2));
case (ERelationalOperators.L):
return(ctx.MkLt(arg_1, arg_2));
case (ERelationalOperators.GtEq):
var first = ctx.MkEq(arg_1, arg_2);
var second = ctx.MkGt(arg_1, arg_2);
return(ctx.MkOr(first, second));
case (ERelationalOperators.LEq):
var firsts = ctx.MkEq(arg_1, arg_2);
var seconds = ctx.MkLt(arg_1, arg_2);
return(ctx.MkOr(firsts, seconds));
}
return(null);
}
public static string GetSymbolFor(ERelationalOperators operatorKey)
{
string symbol;
RelationalOperators.operators.TryGetValue(operatorKey, out symbol);
return(symbol);
}
