Merge pull request #48 from bashtage/update-latest-numpy

UPD: Update docstring to latest NumPy

Author: bashtage

randomstate/interface/random-kit/random-kit.pxi

@@ -71,10 +71,10 @@ previous behavior remains unchanged.
 Parameters
 ----------
 seed : {None, int, array_like}, optional
-    Random seed initializing the pseudo-random number generator.
-    Can be an integer, an array (or other sequence) of integers of
-    any length, or ``None`` (the default).
-    If `seed` is ``None``, then ``RandomState`` will try to read data from
+    Random seed used to initialize the pseudo-random number generator.  Can
+    be any integer between 0 and 2**32 - 1 inclusive, an array (or other
+    sequence) of such integers, or ``None`` (the default).  If `seed` is
+    ``None``, then `RandomState` will try to read data from
     ``/dev/urandom`` (or the Windows analog) if available or seed from
     the clock otherwise.
 
@@ -85,4 +85,4 @@ pseudo-random number generator with a number of methods that are similar
 to the ones available in ``RandomState``. ``RandomState``, besides being
 NumPy-aware, has the advantage that it provides a much larger number
 of probability distributions to choose from.
-"""
+"""

randomstate/randomstate.pyx

@@ -226,13 +226,13 @@ cdef class RandomState:
                 else:
                     idx = operator.index(seed)
                     if idx > int(2**32 - 1) or idx < 0:
-                        raise ValueError("Seed must be between 0 and 4294967295")
+                        raise ValueError("Seed must be between 0 and 2**32 - 1")
                     with self.lock:
                         set_seed(&self.rng_state, seed)
             except TypeError:
                 obj = np.asarray(seed).astype(np.int64, casting='safe')
                 if ((obj > int(2**32 - 1)) | (obj < 0)).any():
-                    raise ValueError("Seed must be between 0 and 4294967295")
+                    raise ValueError("Seed must be between 0 and 2**32 - 1")
                 obj = obj.astype(np.uint32, casting='unsafe', order='C')
                 with self.lock:
                     set_seed_by_array(&self.rng_state,