diff options
Diffstat (limited to 'numpy/lib/polynomial.py')
| -rw-r--r-- | numpy/lib/polynomial.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/numpy/lib/polynomial.py b/numpy/lib/polynomial.py index f875e52f0..0978c6274 100644 --- a/numpy/lib/polynomial.py +++ b/numpy/lib/polynomial.py @@ -65,7 +65,7 @@ def poly(seq_of_zeros): for k in range(len(seq_of_zeros)): a = NX.convolve(a, [1, -seq_of_zeros[k]], mode='full') - if issubclass(a.dtype, NX.complexfloating): + if issubclass(a.dtype.type, NX.complexfloating): # if complex roots are all complex conjugates, the roots are real. roots = NX.asarray(seq_of_zeros, complex) pos_roots = sort_complex(NX.compress(roots.imag > 0, roots)) @@ -99,7 +99,7 @@ def roots(p): p = p[int(non_zero[0]):int(non_zero[-1])+1] # casting: if incoming array isn't floating point, make it floating point. - if not issubclass(p.dtype, (NX.floating, NX.complexfloating)): + if not issubclass(p.dtype.type, (NX.floating, NX.complexfloating)): p = p.astype(float) N = len(p) |