Merge pull request #297 from njsmith/separate-maskna

Split maskna support out of mainline into a branch

1 files changed, 1 insertions, 12 deletions

diff --git a/numpy/polynomial/hermite.py b/numpy/polynomial/hermite.py
index 229ac26db..0b637f40a 100644
--- a/numpy/polynomial/hermite.py
+++ b/numpy/polynomial/hermite.py
@@ -1225,9 +1225,8 @@ def hermvander(x, deg) :
 
     x = np.array(x, copy=0, ndmin=1) + 0.0
     dims = (ideg + 1,) + x.shape
-    mask = x.flags.maskna
     dtyp = x.dtype
-    v = np.empty(dims, dtype=dtyp, maskna=mask)
+    v = np.empty(dims, dtype=dtyp)
     v[0] = x*0 + 1
     if ideg > 0 :
         x2 = x*2
@@ -1516,16 +1515,6 @@ def hermfit(x, y, deg, rcond=None, full=False, w=None):
         lhs = lhs * w
         rhs = rhs * w
 
-    # deal with NA. Note that polyvander propagates NA from x
-    # into all columns, that is rows for transposed form.
-    if lhs.flags.maskna or rhs.flags.maskna:
-        if rhs.ndim == 1:
-            mask = np.isna(lhs[0]) | np.isna(rhs)
-        else:
-            mask = np.isna(lhs[0]) | np.isna(rhs).any(0)
-        np.copyto(lhs, 0, where=mask)
-        np.copyto(rhs, 0, where=mask)
-
     # set rcond
     if rcond is None :
         rcond = len(x)*np.finfo(x.dtype).eps