Merge pull request #6 from arokem/diameter

Adds implementation of diameter calculation

src/geometry/circle.py

@@ -35,3 +35,18 @@ def calculate_circ(r):
     """
     circ = 2 * pi * r
     return circ
+
+
+def calculate_diam(r): 
+    """ 
+    Calculate the diameter of a cirlce 
+
+    Parameters 
+    ----------
+    r : float, the radius 
+
+    Returns
+    -------
+    float : the diameter
+    """
+    return 2 * r

tests/test_circle.py

@@ -1,4 +1,4 @@
-from geometry.circle import calculate_area
+from geometry.circle import calculate_area, calculate_circ, calculate_diam
 from math import pi
 
 def test_calculate_area():
@@ -8,4 +8,7 @@ def test_calculate_area_zero():
     assert calculate_area(0) == 0, "Calculation did not work"
 
 def test_calculate_circ():
-    assert calculate_circ(1) == 2 * pi
+    assert calculate_circ(1) == 2 * pi
+
+def test_calculate_diameter():
+    assert calculate_diam(1) == 2