Fix call numpy.pad function for numpy<=1.16 (#16)

* (#15) fix call numpy.pad function for numpy==1.16 * bump version to 0.10.1
espdev · Mar 19, 2020 · 449f6db · 449f6db
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.10.1
+
+* Fix call of `numpy.pad` function for numpy <=1.16 [#15](https://github.com/espdev/csaps/issues/15)
+
 ## v0.10.0
 
 * Significant performance improvements for make/evaluate splines and memory consumption optimization

diff --git a/csaps/_sspumv.py b/csaps/_sspumv.py
@@ -6,6 +6,7 @@
 """
 
 import typing as ty
+import functools
 import warnings
 
 import numpy as np
@@ -278,12 +279,13 @@ def _make_spline(self, smooth: ty.Optional[float]) -> ty.Tuple[SplinePPForm, flo
 
             dx = dx[:, np.newaxis]
 
-            pad_width = [(1, 1), (0, 0)]
-            d1 = np.diff(np.pad(u, pad_width), axis=0) / dx
-            d2 = np.diff(np.pad(d1, pad_width), axis=0)
+            pad = functools.partial(np.pad, pad_width=[(1, 1), (0, 0)], mode='constant')
+
+            d1 = np.diff(pad(u), axis=0) / dx
+            d2 = np.diff(pad(d1), axis=0)
 
             yi = self._ydata.T - ((6. * (1. - p)) * w) @ d2
-            c3 = np.pad(p * u, pad_width)
+            c3 = pad(p * u)
             c2 = np.diff(yi, axis=0) / dx - dx * (2. * c3[:-1, :] + c3[1:, :])
 
             coeffs = np.vstack((

diff --git a/csaps/_version.py b/csaps/_version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.10.0'
+__version__ = '0.10.1'