From 8b6ede92c561b39a371313576eb09897ffaaca2c Mon Sep 17 00:00:00 2001
From: Bertrand Benjamin <benjamin.bertrand@opytex.org>
Date: Fri, 7 Dec 2018 15:29:34 +0100
Subject: [PATCH] Feat(Core): Clarify  power and degree for MO

---
 mapytex/calculus/core/MO/mo.py         |  3 +++
 mapytex/calculus/core/MO/monomial.py   |  9 +++++++++
 mapytex/calculus/core/MO/polynomial.py | 22 +++++++++++++++++-----
 3 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/mapytex/calculus/core/MO/mo.py b/mapytex/calculus/core/MO/mo.py
index 4902f31..c129bd5 100644
--- a/mapytex/calculus/core/MO/mo.py
+++ b/mapytex/calculus/core/MO/mo.py
@@ -266,6 +266,9 @@ class MOstr(MO):
         """
 
         return {1: MOnumber(1)}
+    @property
+    def degree(self):
+        return 1
 
 
 # -----------------------------
diff --git a/mapytex/calculus/core/MO/monomial.py b/mapytex/calculus/core/MO/monomial.py
index 392677b..78a4c6e 100644
--- a/mapytex/calculus/core/MO/monomial.py
+++ b/mapytex/calculus/core/MO/monomial.py
@@ -85,8 +85,14 @@ class MOstrPower(MO):
 
     @property
     def power(self):
+        """ MO version """
         return self._power
 
+    @property
+    def degree(self):
+        """ python version """
+        return self._power.value
+
     @property
     def signature(self):
         """ Name of the mo in the API
@@ -190,6 +196,9 @@ class MOMonomial(MO):
         return self._power
 
     @property
+    def degree(self):
+        return self._power.value
+    @property
     def signature(self):
         """ Name of the mo in the API
         
diff --git a/mapytex/calculus/core/MO/polynomial.py b/mapytex/calculus/core/MO/polynomial.py
index cecea32..e454c6a 100644
--- a/mapytex/calculus/core/MO/polynomial.py
+++ b/mapytex/calculus/core/MO/polynomial.py
@@ -77,18 +77,30 @@ class MOpolynomial(MO):
         :example:
         >>> p = MOpolynomial('x', [1, 2, 3])
         >>> p.degree
-        <MOnumber 2>
+        2
         >>> p = MOpolynomial('x', {0: 1, 3: 4})
         >>> p.degree
+        3
+
+        """
+        return self.power.value
+
+    @property
+    def power(self):
+        """
+        Maximum degree of its coefficient
+
+        :example:
+        >>> p = MOpolynomial('x', [1, 2, 3])
+        >>> p.power
+        <MOnumber 2>
+        >>> p = MOpolynomial('x', {0: 1, 3: 4})
+        >>> p.power
         <MOnumber 3>
 
         """
         return max(self._coefs.keys())
 
-    @property
-    def power(self):
-        return self.degree
-
     @property
     def coefficients(self):
         return self._coefs