From: Michael Orlitzky <michael@orlitzky.com>
Date: Mon, 26 Apr 2010 20:19:21 +0000 (-0400)
Subject: Add the objective_coefficient_gcd function to the LinearProgramming class.
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Fcensus-tools.git;a=commitdiff_plain;h=72e0a1e1729a2c5693c94d7a835b0735f84d13ed

Add the objective_coefficient_gcd function to the LinearProgramming class.
---

diff --git a/src/LinearProgramming.py b/src/LinearProgramming.py
index 5f4668a..88cdd8d 100644
--- a/src/LinearProgramming.py
+++ b/src/LinearProgramming.py
@@ -3,6 +3,7 @@ Classes to create, solve, and make dinner for linear programs. Handles
 integration with lp_solve.
 """
 
+import fractions
 import os
 import site
 import sys
@@ -318,3 +319,10 @@ class LinearProgram(object):
             [obj, x, duals, ret] = lpsolve('get_solution', self._lp)
 
         return [obj, x, duals]
+
+
+    def objective_coefficient_gcd(self):
+        """
+        Return the GCD of all objective function coefficients.
+        """
+        return reduce(fractions.gcd, self.objective_coefficients)