csci2041/repo-zhan4854/Hwk_04_Assessment.md
Michael Zhang 399845160c
f
2018-01-29 17:35:31 -06:00

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### Assessment for Homework 04
#### Total score: _100_ / _100_
Run on March 27, 18:18:29 PM.
+ Pass: Change into directory "Hwk_04".
#### Feedback for ``aritmetic.ml``
+ Pass: Check that file "arithmetic.ml" exists.
+ Pass: Check that an OCaml file "arithmetic.ml" has no syntax or type errors.
OCaml file "arithmetic.ml" has no syntax or type errors.
##### ``show_expr``
+ _3_ / _3_ : Pass: Check that the result of evaluating `show_expr (Add(Const 1, Const 3))` matches the pattern `"(1+3)"`.
+ _3_ / _3_ : Pass: Check that the result of evaluating ` show_expr (Add (Const 1, Mul (Const 3, Const 4)))` matches the pattern `"(1+(3*4))"`.
+ _4_ / _4_ : Pass: Check that the result of evaluating `show_expr (Mul (Add(Const 1, Const 3), Div(Const 8, Const 4)))` matches the pattern `"((1+3)*(8/4))"`.
##### ``show_pretty_expr``
+ _2_ / _2_ : Pass: Check that the result of evaluating `show_pretty_expr (Add (Const 1, Mul (Const 3, Const 4)))` matches the pattern `"1+3*4"`.
+ _3_ / _3_ : Pass: Check that the result of evaluating `show_pretty_expr (Add (Mul (Const 1, Const 3), Const 4))` matches the pattern `"1*3+4"`.
+ _4_ / _4_ : Pass: Check that the result of evaluating `show_pretty_expr (Add (Const 1, Add (Const 3, Const 4)))` matches the pattern `"1+(3+4)"`.
+ _3_ / _3_ : Pass: Check that the result of evaluating `show_pretty_expr (Add (Add (Const 1, Const 3), Const 4))` matches the pattern `"1+3+4"`.
+ _4_ / _4_ : Pass: Check that the result of evaluating `show_pretty_expr (Mul (Const 4, Add (Const 3, Const 2)))` matches the pattern `"4*(3+2)"`.
+ _4_ / _4_ : Pass: Check that the result of evaluating `show_pretty_expr (Sub (Sub (Const 1, Const 2), Sub (Const 3, Const 4)))` matches the pattern `"1-2-(3-4)"`.
#### Feedback for ``eval.ml``
+ Pass: Check that file "eval.ml" exists.
+ Pass: Check that an OCaml file "eval.ml" has no syntax or type errors.
OCaml file "eval.ml" has no syntax or type errors.
##### ``freevars``
+ _2_ / _2_ : Pass: Check that the result of evaluating `freevars (Add (Value (Int 3), Mul (Id "x", Id "y")))` matches the pattern `["x"; "y"]`.
+ _2_ / _2_ : Pass: Check that the result of evaluating `freevars (Let ("x", Id "z", Add (Value (Int 3), Mul (Id "x", Id "y"))))` matches the pattern `["z"; "y"]`.
+ _2_ / _2_ : Pass: Check that the result of evaluating `freevars (Let ("x", Id "x", Add (Value (Int 3), Mul (Id "x", Id "y"))))` matches the pattern `["x"; "y"]`.
+ _2_ / _2_ : Pass: Check that the result of evaluating `freevars (Lambda ("x", Add (Value (Int 3), Mul (Id "x", Id "y"))))` matches the pattern `["y"]`.
+ _2_ / _2_ : Pass: Check that the result of evaluating `freevars sumToN_expr` matches the pattern `[]`.
##### ``evaluate - arithmetic``
+ _5_ / _5_ : Pass: Check that the result of evaluating `evaluate (Add (Value (Int 1), Mul (Value (Int 2), Value (Int 3))))` matches the pattern `Int 7`.
##### ``evaluate - logical``
+ _2_ / _2_ : Pass: Check that the result of evaluating `evaluate (Eq (Value (Int 1), Mul (Value (Int 2), Value (Int 3))))` matches the pattern `Bool false`.
+ _3_ / _3_ : Pass: Check that the result of evaluating `evaluate (Lt (Value (Int 1), Mul (Value (Int 2), Value (Int 3))))` matches the pattern `Bool true`.
##### ``evaluate - conditional``
+ _2_ / _2_ : Pass: Check that the result of evaluating
```
evaluate (If (Lt (Value (Int 1), Mul (Value (Int 2), Value (Int 3))), Value (Int 4), Value (Int 5)))
```
matches the pattern `Int 4`.
+ _3_ / _3_ : Pass: Check that the result of evaluating
```
evaluate (If (Lt (Value (Int 10), Mul (Value (Int 2), Value (Int 3))), Value (Int 4), Value (Int 5)))
```
matches the pattern `Int 5`.
##### ``evaluate - let expressions``
+ _5_ / _5_ : Pass: Check that the result of evaluating `evaluate (Let ("x", Value (Int 2), Add (Id "x", Value (Int 4))))` matches the pattern `Int 6`.
+ _5_ / _5_ : Pass: Check that the result of evaluating
```
evaluate (Let ("x", Value (Int 2), Let ("y", Add (Id "x", Value (Int 4)), Add (Id "x", Id "y"))))
```
matches the pattern `Int 8`.
##### ``evaluate - non-recursive functions``
+ _4_ / _4_ : Pass: Check that the result of evaluating `evaluate (App (add, Value (Int 1)))` matches the pattern `Closure ("y", Add (Id "x", Id "y"), [("x", Int 1)])`.
+ _5_ / _5_ : Pass: Check that the result of evaluating `evaluate (App ( (App (add, Value (Int 1))), Value (Int 2)))` matches the pattern `Int 3`.
+ _6_ / _6_ : Pass: Check that the result of evaluating
```
evaluate (Let ("add2", Let ("two", Value (Int 2), Lambda ("x", Add (Id "x", Id "two"))), App (Id "add2", Value (Int 4))))
```
matches the pattern `Int 6`.
##### ``evaluate - recursive functions``
+ _2_ / _2_ : Pass: Check that the result of evaluating `evaluate (App (sumToN_expr, Value (Int 0)))` matches the pattern `Int 0`.
+ _8_ / _8_ : Pass: Check that the result of evaluating `evaluate (App (sumToN_expr, Value (Int 1)))` matches the pattern `Int 1`.
+ _10_ / _10_ : Pass: Check that the result of evaluating `evaluate (App (sumToN_expr, Value (Int 10)))` matches the pattern `Int 55`.
#### Total score: _100_ / _100_