From 0a6cd412867dd58a406f74a453218fb93b066619 Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Fri, 26 Feb 2016 15:31:47 +0000
Subject: [PATCH] Minimum value fitness function output needs to be magnitude
 to work with fitness check.

---
 user_libs/optimisation_taguchi_fitness.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/user_libs/optimisation_taguchi_fitness.py b/user_libs/optimisation_taguchi_fitness.py
index 5fe65c47..cf3563ee 100644
--- a/user_libs/optimisation_taguchi_fitness.py
+++ b/user_libs/optimisation_taguchi_fitness.py
@@ -26,7 +26,7 @@ def minvalue(filename, args):
         args (dict): 'outputs' key with a list of names (IDs) of outputs (rxs) from input file
         
     Returns:
-        minvalue (float): Minimum value from specific outputs
+        minvalue (float): Magnitude of minimum value from specific outputs
     """
 
     f = h5py.File(filename, 'r')
@@ -38,7 +38,7 @@ def minvalue(filename, args):
             fieldname = list(tmp.keys())[0]
             minvalue = np.amin(tmp[fieldname])
 
-    return minvalue
+    return np.abs(minvalue)
 
 
 def maxvalue(filename, args):