Assignment 3

.travis.yml

@@ -0,0 +1,6 @@
+language: python
+python:
+  - "3.5"
+
+#command to run tests
+script: nosetests

point_pattern.py

@@ -1,4 +1,7 @@
 import math  # I am guessing that you will need to use the math module
+import pdb
+
+from math import sqrt
 
 """
 Below are 5 functions (we will talk about what
@@ -27,7 +30,7 @@ def manhattan_distance(a, b):
     distance : float
                The Manhattan distance between the two points
     """
-    distance =  None # Add the algorithm to compute manhattan distance here
+    distance = sum(abs(a-b) for a,b in zip(a,b)) # Add the algorithm to compute manhattan distance here
     return distance
 
 
@@ -49,7 +52,8 @@ def euclidean_distance(a, b):
     distance : float
                The Euclidean distance between the two points
     """
-    distance = None  # Add the euclidean distance algorithm here
+    # pdb.set_trace()
+    distance = sqrt(sum((a - b) ** 2 for a, b in zip(a, b)))  # Add the euclidean distance algorithm here
     return distance
 
 
@@ -87,8 +91,8 @@ def shift_point(point, x_shift, y_shift):
     x = getx(point)
     y = gety(point)
 
-    x_new = None  # Add the logic to shift x here
-    y_new = None  # Add the logic to shift y here
+    x_new = x_shift + x # Add the logic to shift x here
+    y_new = y_shift + y# Add the logic to shift y here
 
     return x_new, y_new
 
@@ -109,8 +113,10 @@ def check_coincident(a, b):
     equal : bool
             Whether the points are equal
     """
-    return None  # Add the logic to check if coincident here
-
+    if a == b:
+        return True
+    else:
+        return False
 
 def check_in(point, point_list):
     """
@@ -124,7 +130,11 @@ def check_in(point, point_list):
     point_list : list
                  in the form [point, point_1, point_2, ..., point_n]
     """
-    return None # Add the logic to check if a point is in the point list here
+
+    if point in point_list:
+        return point
+    else:
+        return None # Add the logic to check if a point is in the point list here
 
 
 def getx(point):
@@ -143,6 +153,7 @@ def getx(point):
      : int or float
        x coordinate
     """
+
     return point[0]