Bugfix

numeric.vector.find_nearest: bugfix

- updated __version__

ptds/__init__.py

@@ -15,7 +15,7 @@ __all__=[#'compatibility',
          'similarity',
          'GeoArray']
 
-__version__ = '20170123_01'
+__version__ = '20170124_01'
 __author__='Daniel Scheffler'
 
 # Validate GDAL version

ptds/numeric/vector.py

@@ -26,11 +26,11 @@ def find_nearest(array, value, roundAlg='auto', extrapolate=False, exclude_val=F
         array.remove(value)
 
     if extrapolate:
-        increment = array[1] - array[0]
+        increment = abs(array[1] - array[0])
         if value > max(array):  # expand array until value
             array = np.arange(min(array), value + increment, increment)
         if value < min(array):  # negatively expand array until value
-            array = (np.arange(-max(array), value + increment, increment) * -1)[::-1]
+            array = (np.arange(max(array), value - increment, -increment))[::-1]
     elif value < min(array) or value > max(array):
         raise ValueError('Value %s is outside of the given array.' % value)