diff options
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/lib/function_base.py | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py index 2a942a13a..4f0377efe 100644 --- a/numpy/lib/function_base.py +++ b/numpy/lib/function_base.py @@ -1552,13 +1552,12 @@ def unwrap(p, discont=None, axis=-1, *, period=2*pi): slice1 = tuple(slice1) dtype = np.result_type(dd, period) if _nx.issubdtype(dtype, _nx.integer): - interval_low = -(period // 2) - interval_high = -interval_low - boundary_ambiguous = (period % 2 == 0) + interval_high, rem = divmod(period, 2) + boundary_ambiguous = rem == 0 else: - interval_low = -period / 2 - interval_high = -interval_low + interval_high = period / 2 boundary_ambiguous = True + interval_low = -interval_high ddmod = mod(dd - interval_low, period) + interval_low if boundary_ambiguous: # for `mask = (abs(dd) == period/2)`, the above line made `ddmod[mask] == -period/2`. |