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-rw-r--r--numpy/lib/function_base.py19
1 files changed, 3 insertions, 16 deletions
diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py
index 391c47a06..504280cef 100644
--- a/numpy/lib/function_base.py
+++ b/numpy/lib/function_base.py
@@ -1255,23 +1255,13 @@ def interp(x, xp, fp, left=None, right=None, period=None):
interp_func = compiled_interp
input_dtype = np.float64
- if period is None:
- if isinstance(x, (float, int, number)):
- return interp_func([x], xp, fp, left, right).item()
- elif isinstance(x, np.ndarray) and x.ndim == 0:
- return interp_func([x], xp, fp, left, right).item()
- else:
- return interp_func(x, xp, fp, left, right)
- else:
+ if period is not None:
if period == 0:
raise ValueError("period must be a non-zero value")
period = abs(period)
left = None
right = None
- return_array = True
- if isinstance(x, (float, int, number)):
- return_array = False
- x = [x]
+
x = np.asarray(x, dtype=np.float64)
xp = np.asarray(xp, dtype=np.float64)
fp = np.asarray(fp, dtype=input_dtype)
@@ -1289,10 +1279,7 @@ def interp(x, xp, fp, left=None, right=None, period=None):
xp = np.concatenate((xp[-1:]-period, xp, xp[0:1]+period))
fp = np.concatenate((fp[-1:], fp, fp[0:1]))
- if return_array:
- return interp_func(x, xp, fp, left, right)
- else:
- return interp_func(x, xp, fp, left, right).item()
+ return interp_func(x, xp, fp, left, right)
def angle(z, deg=0):