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-rw-r--r--csci1913/lab1/lab1_strap012.py38
1 files changed, 34 insertions, 4 deletions
diff --git a/csci1913/lab1/lab1_strap012.py b/csci1913/lab1/lab1_strap012.py
index 8b8afe4..0e89112 100644
--- a/csci1913/lab1/lab1_strap012.py
+++ b/csci1913/lab1/lab1_strap012.py
@@ -17,17 +17,47 @@ def solve(v, e):
if isInside(v, left(e)):
return solving(v, e)
elif isInside(v,right(e)):
- newE=(right(e),exp(e),left(e))
+ newE=(right(e),op(e),left(e))
return solving(v,newE)
else:
return None
+
def solving(v,q):
- if type(q) is tuple:
+ if left(q)==v:
+ return q
+ elif type(left(q)):
+ if op(left(q))=='+':
+ return solvingAdd(v, q)
+ elif op(left(q))=='-':
+ return solvingSubtract(v, q)
+ elif op(left(q))=='*':
+ return solvingMultiply(v, q)
+ elif op(left(q))=='/':
+ return solvingDivide(v, q)
+
+def solvingAdd(v,q):
+ if isInside(v, left(left(q))):
+ return (left(left(q)), '=', (right(q), '-', right(left(q))))
+ else:
+ return (right(left(q)), '=', (right(q), '-', left(right(q))))
+def solvingSubtract(v,q):
+ if isInside(v, left(left(q))):
+ return left(left(q))
+ else:
+ return right(left(q))
+def solvingMultiply(v,q):
+ if isInside(v, left(left(q))):
+ return left(left(q))
+ else:
+ return right(left(q))
-def solvingAdd(v,q):
-
+def solvingDivide(v,q):
+ if isInside(v, left(left(q))):
+ return left(left(q))
+ else:
+ return right(left(q))
#
# TESTS. Test the equation solver for CSci 1913 Lab 1.