added function description

desihub · Dec 22, 2017 · 90a295f · 90a295f
1 parent 34faefe
commit 90a295f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/py/specter/util/util.py b/py/specter/util/util.py
@@ -38,6 +38,9 @@ def __init__(self, x, y, data):
     #new method
     @jit(nopython=True)
     def new_interp(dx,dy,ix,iy,datacopy):
+        """
+        returns dataxy from bilinear interpolation
+        """
         dataxy = (datacopy[ix-1,iy-1]*(1-dx) + (datacopy[ix,iy-1]*dx))*(1-dy) + ((datacopy[ix-1,iy]*(1-dx) + datacopy[ix,iy]*dx))*dy
 
         return dataxy