From a298bfd2c121f87d71fee2363fde2a6ae280e94b Mon Sep 17 00:00:00 2001
From: Ayush <ayush.mittal9398@gmail.com>
Date: Sat, 20 Apr 2019 20:52:44 +0530
Subject: [PATCH 1/3] simplified expression

---
 visma/functions/structure.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/visma/functions/structure.py b/visma/functions/structure.py
index f7206ad..172c2d6 100644
--- a/visma/functions/structure.py
+++ b/visma/functions/structure.py
@@ -178,6 +178,7 @@ def __init__(self, tokens=None, coefficient=None, power=None):
         self.tokens = []
         if tokens is not None:
             self.tokens.extend(tokens)
+            self.get_reduced()
         self.type = 'Expression'
 
     def __str__(self):
@@ -194,6 +195,14 @@ def __str__(self):
             represent += "{(" + str(self.operand) + ")}"
         return represent
 
+    def get_reduced(self):
+        '''Simpilifies the expression 
+        '''
+        from visma.simplify.simplify import simplify
+        self.tokens, _, _, _, _ = simplify(self.tokens)
+        if(self.__class__ == Expression):
+            self.reduced = True
+
 
 class Equation(Expression):
     """Class for equation type

From 9994565be409d0bef18c59df6e30445826c08b11 Mon Sep 17 00:00:00 2001
From: Ayush <ayush.mittal9398@gmail.com>
Date: Sat, 20 Apr 2019 20:59:57 +0530
Subject: [PATCH 2/3] corrections

---
 visma/functions/structure.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/visma/functions/structure.py b/visma/functions/structure.py
index 172c2d6..cd48cb2 100644
--- a/visma/functions/structure.py
+++ b/visma/functions/structure.py
@@ -196,7 +196,7 @@ def __str__(self):
         return represent
 
     def get_reduced(self):
-        '''Simpilifies the expression 
+        '''Simpilifies the expression
         '''
         from visma.simplify.simplify import simplify
         self.tokens, _, _, _, _ = simplify(self.tokens)

From 43ca0d088ba6a2c4780edcbb0a2cb21977426775 Mon Sep 17 00:00:00 2001
From: Ayush <ayush.mittal9398@gmail.com>
Date: Fri, 26 Apr 2019 02:30:56 +0530
Subject: [PATCH 3/3] tests added

---
 tests/test_functions.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/test_functions.py b/tests/test_functions.py
index ce580f8..782fea8 100644
--- a/tests/test_functions.py
+++ b/tests/test_functions.py
@@ -1,5 +1,6 @@
 from visma.functions.constant import Constant
 from visma.functions.variable import Variable
+from tests.tester import getTokens
 
 
 ######################
@@ -39,3 +40,21 @@ def test_Variable():
     assert isinstance(variable2, Expression)
     assert variable2.__str__() == '{3log{x}}'
     '''
+
+
+#######################
+# functions.structure #
+#######################
+
+
+def test_reduce():
+
+    expr = getTokens("(2x+x)")
+    assert str(expr) == "3.0{x}"
+    assert expr.type == "Variable"
+
+    expr = getTokens("(3x+4*(x+(2x))+2y)")
+    assert str(expr) == "{(15.0{x}+2.0{y})}"
+
+    expr = getTokens("((2x+4x)+(2y+4y))")
+    assert str(expr) == "{(6.0{x}+6.0{y})}"