MAINT: Rewrote scipy.ndimage.find_object function in cython

.gitignore

@@ -155,6 +155,7 @@ scipy/linalg/fblas.pyf
 scipy/linalg/flapack.pyf
 scipy/linalg/src/id_dist/src/*_subr_*.f
 scipy/ndimage/src/_ni_label.c
+scipy/ndimage/src/_ni_measure.c
 scipy/optimize/cobyla/_cobylamodule.c
 scipy/optimize/lbfgsb/_lbfgsbmodule.c
 scipy/optimize/minpack2/minpack2module.c

scipy/ndimage/bento.info

@@ -9,3 +9,5 @@ Library:
                  src/ni_support.c
     Extension: _ni_label
         Sources: src/_ni_label.c
+    Extension: _ni_measure.pyx
+        Sources: src/_ni_measure.pyx

scipy/ndimage/measurements.py

@@ -35,6 +35,7 @@
 from . import _ni_support
 from . import _ni_label
 from . import _nd_image
+from . import _ni_measure
 from . import morphology
 
 __all__ = ['label', 'find_objects', 'labeled_comprehension', 'sum', 'mean',
@@ -264,11 +265,12 @@ def find_objects(input, max_label=0):
     if numpy.iscomplexobj(input):
         raise TypeError('Complex type not supported')
 
+    if input.dtype == np.bool:
+        input = input.view(np.uint8)
+
     if max_label < 1:
         max_label = input.max()
-
-    return _nd_image.find_objects(input, max_label)
-
+    return _ni_measure._findObjects(input.flatten(), input.shape, max_label)
 
 def labeled_comprehension(input, labels, index, func, out_dtype, default, pass_positions=False):
     """

scipy/ndimage/setup.py

@@ -23,6 +23,11 @@ def configuration(parent_package='', top_path=None):
                          include_dirs=['src']+[get_include()],
                          )
 
+    config.add_extension("_ni_measure",
+                             sources=["src/_ni_measure.c",],
+                             include_dirs=['src']+[get_include()],
+                         )
+
     config.add_data_dir('tests')
 
     return config