#lang racket
(require gigls/unsafe)
(require rackunit)
(require rackunit/text-ui)

;;; File:
;;;   exam2.rkt
;;; Authors:
;;;   The student currently referred to as 000000
;;;   Charlie Curtsinger
;;;   Titus Klinge
;;; Contents:
;;;   Code and solutions for Exam 2 2016F
;;; Citations:
;;;

; +---------+--------------------------------------------------------
; | Grading |
; +---------+

; This section is for the grader's use.

; Problem 1: 
; Problem 2:
; Problem 3:
; Problem 4:
; Problem 5:
; Problem 6:
;           ----
;     Total:

;    Scaled:
;    Errors:
;     Times:
;          :
;          :
;          :
;           ----
;     Total:

; +-----------+------------------------------------------------------
; | Problem 1 |
; +-----------+

; Time Spent: 

; Citations:

; Solution:

;;; Procedure:
;;;   
;;; Parameters:
;;;   
;;; Purpose:
;;;   
;;; Produces:
;;;   
;;; Preconditions:
;;;   
;;; Postconditions:
;;;   
(define in-bounds? 0)


; +-----------+------------------------------------------------------
; | Problem 2 |
; +-----------+

; Time Spent: 

; Citations:

; Examples/Tests:


; +-----------+------------------------------------------------------
; | Problem 3 |
; +-----------+

; Time Spent: 

; Citations:

; Solution:

;;; Procedure:
;;;   
;;; Parameters:
;;;   
;;; Purpose:
;;;   
;;; Produces:
;;;   
;;; Preconditions:
;;;   
;;; Postconditions:
;;;   
(define semicircles-a 0)

; Examples/Tests:


; +-----------+------------------------------------------------------
; | Problem 4 |
; +-----------+

; Time Spent: 

; Citations:

; Solution:

;;; Procedure:
;;;   
;;; Parameters:
;;;   
;;; Purpose:
;;;   
;;; Produces:
;;;   
;;; Preconditions:
;;;   
;;; Postconditions:
;;;   
(define semicircles-b 0)

; Examples/Tests:


; +-----------+------------------------------------------------------
; | Problem 5 |
; +-----------+

; Time Spent: 

; Citations:

; Solution:

; Parts a and b: clean up and document the pair procedure below.

;;; Procedure:
;;;   
;;; Parameters:
;;;   
;;; Purpose:
;;;   
;;; Produces:
;;;   
;;; Preconditions:
;;;   
;;; Postconditions:
;;;   
(define pair ( lambda ( scale)
(let* ( [p symbol?] [q list?]
[ r 'other ] [s 'symbol ] [t 
'pair] [ u number?][v pair?
] [w 'list] [x 'string] [y
 'number ] [z  string?] [
image ( lambda ( drawing
)(cond [( u drawing ) y
]      [ (and ( not (u
drawing) )( p drawing
) ) s] [ (q drawing)
w] [(or (q drawing)
( v drawing)) t][(
z   drawing ) x][
else r] ))])(map
image scale))))

; Part c: Explain how this code achieves its purpose.

; Examples/Tests:


; +-----------+------------------------------------------------------
; | Problem 6 |
; +-----------+

; Time Spent: 

; Citations:

; Solution:

;;; Procedure:
;;;   
;;; Parameters:
;;;   
;;; Purpose:
;;;   
;;; Produces:
;;;   
;;; Preconditions:
;;;   
;;; Postconditions:
;;;   
(define diamond-of-circles 0)

; Examples/Tests: