Merge pull request #65 from alexlib/npy_isnan

_isnan is replaced by np.isnan

Author: alexlib

openpiv/src/lib.pyx

@@ -3,13 +3,13 @@
 import numpy as np
 cimport numpy as np
 cimport cython
-from libc.math cimport isnan
 
 DTYPEf = np.float
 ctypedef np.float_t DTYPEf_t
 DTYPEi = np.int
 ctypedef np.int_t DTYPEi_t
 
+
 @cython.boundscheck(False) # turn of bounds-checking for entire function
 @cython.wraparound(False) # turn of bounds-checking for entire function
 def replace_nans(np.ndarray[DTYPEf_t, ndim=2] array, int max_iter, float tol, int kernel_size=2, str method='disk'):
@@ -141,7 +141,7 @@ def replace_nans(np.ndarray[DTYPEf_t, ndim=2] array, int max_iter, float tol, in
                         if j+J-kernel_size < array.shape[1] and j+J-kernel_size >= 0:
 
                             # if the neighbour element is not NaN itself.
-                            if not isnan(array[i+I-kernel_size, j+J-kernel_size]):
+                            if not np.isnan(array[i+I-kernel_size, j+J-kernel_size]):
 
                                 # do not bother with 0 kernel values
                                 if kernel[I, J] != 0:

setup.py

@@ -68,7 +68,7 @@
 
 
 setup(  name = "OpenPIV",
-        version = "0.20.2",
+        version = "0.20.3",
         author = "OpenPIV contributors",
         author_email = "[email protected]",
         description = "An open source software for PIV data analysis",