summoning of a god is always a fickle process, Even more so in Eros (Cupids) Case. Eros is often known as a mischievous so there is little way to know how he would react. You can try calling him. in doing this you may want to make him an alter and leave an offering to him. I do not know what type of offering is sufficient in this case though. Then when this is done ask aloud if he would visit you. It may take a while to get to you but there is a fair chance he will. I would Avoid summoning in this case because that is often a good way to anger a diety. Calling on the other hand can be alot safer (you are not forcing something to appear). Also summoning wont most likly work due to how powerful a diety is. I hope this helped.