add Cython directives to pxd files (#175)

Author: StrikerRUS

lightning/impl/dataset_fast.pxd

@@ -1,3 +1,9 @@
+# encoding: utf-8
+# cython: cdivision=True
+# cython: boundscheck=False
+# cython: wraparound=False
+# cython: language_level=3
+#
 # Author: Mathieu Blondel
 # License: BSD
 

lightning/impl/prox_fast.pxd

@@ -1,3 +1,11 @@
+# encoding: utf-8
+# cython: cdivision=True
+# cython: boundscheck=False
+# cython: wraparound=False
+# cython: language_level=3
+#
+# Authors: Fabian Pedregosa
+# License: BSD
 
 cimport numpy as np
 from cython cimport floating

lightning/impl/prox_fast.pyx

@@ -5,7 +5,7 @@
 # cython: language_level=3
 #
 # Authors: Fabian Pedregosa
-#
+# License: BSD
 
 """
 These are some helper functions to compute the proximal operator of some common penalties

lightning/impl/randomkit/random_fast.pxd

@@ -1,3 +1,10 @@
+# encoding: utf-8
+# cython: cdivision=True
+# cython: boundscheck=False
+# cython: wraparound=False
+# cython: language_level=3
+#
+# Copyright 2005 Robert Kern (robert.kern@gmail.com)
 
 cdef extern from "randomkit.h":
 

lightning/impl/randomkit/random_fast.pyx

@@ -1,3 +1,9 @@
+# encoding: utf-8
+# cython: cdivision=True
+# cython: boundscheck=False
+# cython: wraparound=False
+# cython: language_level=3
+#
 # Copyright 2005 Robert Kern (robert.kern@gmail.com)
 
 from libc cimport stdlib

lightning/impl/sag_fast.pxd

@@ -1,3 +1,13 @@
+# encoding: utf-8
+# cython: cdivision=True
+# cython: boundscheck=False
+# cython: wraparound=False
+# cython: language_level=3
+#
+# Authors: Mathieu Blondel
+#          Fabian Pedregosa
+#          Arnaud Rachez
+# License: BSD
 
 cimport numpy as np
 

lightning/impl/sgd_fast.pxd

@@ -1,4 +1,11 @@
+# encoding: utf-8
+# cython: cdivision=True
+# cython: boundscheck=False
+# cython: wraparound=False
+# cython: language_level=3
+#
 # Author: Mathieu Blondel
+#         Peter Prettenhofer (loss functions)
 # License: BSD
 
 cdef class LossFunction: