import typedef_pkg::*;
class generator;
logic [7:0]   a;
logic [7:0]   b;
logic [15:0] out_put;
operation_t op;
virtual intf ALUintf;
function new (virtual interface intf alu_if_in);
		ALUintf = alu_if_in;
endfunction
task sitimulus();
	 ALUintf.execute_op( op, a, b, out_put);
	`RND_CHECK(std::randomize(op) with {op inside {op};})
	`RND_CHECK(std::randomize(a))
	`RND_CHECK(std::randomize(b))
	 ALUintf.execute_op( op, a, b, out_put);
endtask

endclass