Fixed maths is_probably_prime power int

CHANGELOG.md

@@ -6,11 +6,14 @@ All notable changes to this project will be documented in this file.
 - duplicate primes matrix in maths module
 - duplicate code in maths prime checking
 - duplicate code in ml time series
+- low primality checking in maths.Integer
 ### Fixed
 - matplotlib dependencies
 - Plot4d.plot canvas updater
+- maths is_probably_prime power int
 ### Added
 - charts module examples
+- tests module examples
 
 ## 4.6.1
 ### Added

README.md

@@ -10,7 +10,7 @@
 
 [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fsirfoga%2Fpyhal.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fsirfoga%2Fpyhal?ref=badge_shield) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![Open Source Love](https://badges.frapsoft.com/os/v1/open-source.svg?v=103)](https://opensource.org/licenses/Apache-2.0)
-[![Contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/sirfoga/scrapebots/issues)
+[![Contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/sirfoga/pyhal/issues)
 
 
 <!-- [![Stories in Ready](https://badge.waffle.io/sirfoga/hal.svg?label=ready&title=Ready)](http://waffle.io/sirfoga/hal) -->
@@ -48,6 +48,7 @@ Take a look [here](https://github.com/sirfoga/pyhal/blob/master/setup.py#L58) fo
 You can take a look at [my other repository](https://github.com/sirfoga/pymisc/tree/master/misc): there are lots of implementations from various HAL modules.
 Browse extra examples here:
 - [`charts`](docs/examples/CHARTS.md) module
+- [`tests`](docs/examples/TESTS.md) module
 
 
 ## Usage and documentation

docs/examples/CHARTS.md

@@ -1,4 +1,4 @@
-# Charts
+# hal.charts.plotter
 
 ## Plot3d.param()
 ```python

docs/examples/TESTS.md

@@ -0,0 +1,39 @@
+# hal.tests
+
+## battery_test()
+```python
+from unittest import TestCase
+
+from hal.maths.maths import Integer
+from hal.tests.utils import battery_test, random_name
+
+
+def is_prime(string):
+    return Integer(string).is_probably_prime()
+
+class EasyTest(TestCase):
+    def test_primality(self):
+        tests = {
+            "2": True,  # 2 is prime
+            "3": True,  # 3 is also prime
+            "4": False,  # 4 is NOT a prime (2 * 2)
+            "997": True,  # should be prime
+            "4366114": False,  # not a prime (divisible by 2)
+            "14553714337": True,  # this should be prime
+            "58853781722270786163": False  # not a prime (divisible by 3)
+        }
+
+        battery_test(
+            self.assertEquals, tests, is_prime
+        )
+```
+
+```bash
+Ran 1 test in 0.000s
+
+OK
+```
+
+
+## Questions and issues
+The [github issue tracker](https://github.com/sirfoga/pyhal/issues) is **only** for bug reports and feature requests. Anything else, such as questions for help in using the library, should be mailed [here](mailto:sirfoga@protonmail.com).

hal/maths/maths.py

@@ -45,8 +45,6 @@ class Integer(object):
     def __init__(self, string):
         self.to_int = int(string)
         self.to_string = string
-        self.is_probably_prime = (self.to_int % 2 != 0) and (
-            self.to_int in LOW_PRIMES)
 
     def is_naive_prime(self):
         """
@@ -76,8 +74,7 @@ def is_probably_prime(self):
                     return False
 
             # if all else fails, call rabin to determine if to_int is prime
-            self.is_probably_prime = self.test_miller_rabin(5)
-            return self.is_probably_prime
+            return self.test_miller_rabin(5)
 
         return True
 
@@ -111,7 +108,7 @@ def test_miller_rabin(self, precision):
             # -> prime
             for _ in range(precision):
                 a = random.randrange(2, self.to_int - 1)
-                v = pow(a, s, self.to_int)
+                v = pow(int(a), int(s), self.to_int)
                 if v != 1:
                     i = 0
                     while v != (self.to_int - 1):