Adding solve sub-package+Unary operator(-)+Updating __repr__

Author: omdxp

cmpx/Complex.py

@@ -223,6 +223,9 @@ def __ifloordiv__(self, other):
             return Complex(self.re, self.im, self.restore)
         except (ZeroDivisionError, ValueError) as err:
             self.print_err(err)
+    # Operator overloading 17: - (Unary operator)
+    def __neg__(self):
+        return Complex(-self.re, -self.im, self.restore)
     ## Helper functions
     # Module function to calculate the modulus of a complex number
     def mod(self):
@@ -237,11 +240,13 @@ def print_err(self, err):
     # Representation function for representing a complex number
     def __repr__(self):
         if(self.re != 0 and self.im > 0):
-            output = str(self.re) + ' + ' + str(self.im) + 'j'
+            output = str(self.re) + ' + ' + str(self.im) + 'j' if(self.im != 1) else str(self.re) + ' + ' + 'j'
         if(self.re != 0 and self.im < 0):
-            output = str(self.re) + ' - ' + str(-self.im) + 'j'
+            output = str(self.re) + ' - ' + str(-self.im) + 'j' if(self.im != -1) else str(self.re) + ' - ' + 'j'
         if(self.re != 0 and self.im == 0):
             output = str(self.re)
-        if(self.re == 0 and self.im != 0):
-            output = str(self.im) + 'j'
+        if(self.re == 0 and self.im > 0):
+            output = str(self.im) + 'j' if(self.im != 1) else 'j'
+        if(self.re == 0 and self.im < 0):
+            output = str(self.im) + 'j' if(self.im != -1) else '-j'
         return output

cmpx/__init__.py

@@ -4,7 +4,7 @@
 __author__     = 'Omar Belghaouti'
 __maintainer__ = 'Omar Belghaouti'
 __email__      = 'bel_omar18@yahoo.com'
-__version__    = '0.7'
+__version__    = '0.7.2'
 __license__    = 'MIT'
 __all__ = [
     'Complex'

cmpx/solve/__init__.py

@@ -0,0 +1,3 @@
+# -*- coding: utf-8 -*-
+from cmpx.Complex import Complex
+from .delta import delta

cmpx/solve/delta.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+from math import sqrt
+
+def delta(a, b, c):
+    delta = b**2 - 4 * a * c
+    if(delta < 0):
+        solution = [Complex(-b/2*a, -sqrt(delta)/2*a),
+                    Complex(-b/2*a, sqrt(delta)/2*a)]
+    elif(delta == 0):
+        solution = Complex(-b/2*a)
+    else:
+        solution = [Complex((-b - sqrt(delta))/2*a),
+                    Complex((-b + sqrt(delta))/2*a)]
+    return solution
+

setup.py

@@ -5,7 +5,7 @@
 
 setup_args = dict(
     name='cmpx',
-    version='0.7',
+    version='0.7.2',
     description='A package for different operations on complex numbers',
     long_description_content_type='text/markdown',
     long_description=README,