Fix(Fraction): debug successive division (1 to MOnumber(1))

mapytex/calculus/API/expression.py

@@ -174,6 +174,22 @@ class Expression(object):
         10 + 1680 * 9
         10 + 15120
         15130
+        >>> e = Expression.from_str("1+2/3/4/5")
+        >>> f = e.simplify()
+        >>> for s in f.explain():
+        ...     print(s)
+        1 + 2 / 3 / 4 / 5
+        1 + (2 / 3 * 1 / 4) / 5
+        1 + (2 * 1) / (3 * 4) / 5
+        1 + 2 / 12 / 5
+        1 + 2 / 12 * 1 / 5
+        1 + (2 * 1) / (12 * 5)
+        1 + 2 / 60
+        1 / 1 + 2 / 60
+        (1 * 60) / (1 * 60) + 2 / 60
+        60 / 60 + 2 / 60
+        (60 + 2) / 60
+        62 / 60
         """
         try:
             yield from self._ancestor.explain()

mapytex/calculus/core/compute/divide.py

@@ -70,7 +70,7 @@ def monumber_monumber(left, right):
     >>> a = MOnumber(4)
     >>> b = MOnumber(6.2)
     >>> monumber_monumber(a, b)
-    Decimal('0.6451612903225806266768278939')
+    <MOnumber 0.6451612903225806266768278939>
     >>> a = MOnumber(4)
     >>> b = MOnumber(6)
     >>> monumber_monumber(a, b)
@@ -80,7 +80,7 @@ def monumber_monumber(left, right):
     """
     if type(left.value) in [float, Decimal] or \
             type(right.value) in [float, Decimal]:
-        return left / right
+        return MO.factory(left / right)
     else:
         raise NotImplementedError("Can't divide 2 int. Need to create a Fraction instead")
 
@@ -126,7 +126,7 @@ def mofraction_monumber(left, right):
      | > 4
     """
 
-    right_fraction = MOFraction(1, right)
+    right_fraction = MOFraction(MOnumber(1), right)
     return Tree("*", left, right_fraction)
 
 @divide.register(MOFraction, MOFraction)