fix: Fixed numpy 1.12 indexing and shape preservation

GPy/core/gp_grid.py

@@ -68,12 +68,12 @@ class GpGrid(GP):
         for b in (B.T):
             x = b
             N = 1
-            G = np.zeros(D)
+            G = np.zeros(D, dtype=np.int_)
             for d in range(D):
                 G[d] = len(A[d])
             N = np.prod(G)
             for d in range(D-1, -1, -1):
-                X = np.reshape(x, (G[d], np.round(N/G[d])), order='F')
+                X = np.reshape(x, (G[d], int(np.round(N/G[d]))), order='F')
                 Z = np.dot(A[d], X)
                 Z = Z.T
                 x = np.reshape(Z, (-1, 1), order='F')

GPy/inference/latent_function_inference/gaussian_grid_inference.py

@@ -36,12 +36,12 @@ class GaussianGridInference(LatentFunctionInference):
         x = b
         N = 1
         D = len(A)
-        G = np.zeros((D,1))
+        G = np.zeros((D), dtype=np.int_)
         for d in range(0, D):
             G[d] = len(A[d])
         N = np.prod(G)
         for d in range(D-1, -1, -1):
-            X = np.reshape(x, (G[d], np.round(N/G[d])), order='F')
+            X = np.reshape(x, (G[d], int(np.round(N/G[d]))), order='F')
             Z = np.dot(A[d], X)
             Z = Z.T
             x = np.reshape(Z, (-1, 1), order='F')

GPy/kern/src/kern.py

@@ -46,11 +46,11 @@ class Kern(Parameterized):
         self.input_dim = int(input_dim)
 
         if active_dims is None:
-            active_dims = np.arange(input_dim)
+            active_dims = np.arange(input_dim, dtype=np.int_)
 
         self.active_dims = np.atleast_1d(np.asarray(active_dims, np.int_))
 
-        self._all_dims_active = np.atleast_1d(self.active_dims).astype(int)
+        self._all_dims_active = np.atleast_1d(self.active_dims).astype(np.int_)
 
         assert self.active_dims.size == self.input_dim, "input_dim={} does not match len(active_dim)={}".format(self.input_dim, self._all_dims_active.size)
 

GPy/kern/src/standard_periodic.py

@@ -55,7 +55,6 @@ class StdPeriodic(Kern):
 
     def __init__(self, input_dim, variance=1., period=None, lengthscale=None, ARD1=False, ARD2=False, active_dims=None, name='std_periodic',useGPU=False):
         super(StdPeriodic, self).__init__(input_dim, active_dims, name, useGPU=useGPU)
-        self.input_dim = input_dim
         self.ARD1 = ARD1 # correspond to periods
         self.ARD2 = ARD2 # correspond to lengthscales
 
@@ -66,7 +65,7 @@ class StdPeriodic(Kern):
                 period = np.asarray(period)
                 assert period.size == 1, "Only one period needed for non-ARD kernel"
             else:
-                period = np.ones(1.0)
+                period = np.ones(1)
         else:
             if period is not None:
                 period = np.asarray(period)

GPy/likelihoods/binomial.py

@@ -63,7 +63,8 @@ class Binomial(Likelihood):
         :rtype: float
         """
         N = Y_metadata['trials']
-        assert N.shape == y.shape
+        np.testing.assert_array_equal(N.shape, y.shape)
+
         nchoosey = special.gammaln(N+1) - special.gammaln(y+1) - special.gammaln(N-y+1)
         return nchoosey + y*np.log(inv_link_f) + (N-y)*np.log(1.-inv_link_f)
 
@@ -83,7 +84,8 @@ class Binomial(Likelihood):
         :rtype: Nx1 array
         """
         N = Y_metadata['trials']
-        assert N.shape == y.shape
+        np.testing.assert_array_equal(N.shape, y.shape)
+
         return y/inv_link_f - (N-y)/(1.-inv_link_f)
 
     def d2logpdf_dlink2(self, inv_link_f, y, Y_metadata=None):
@@ -108,7 +110,7 @@ class Binomial(Likelihood):
             (the distribution for y_i depends only on inverse link of f_i not on inverse link of f_(j!=i)
         """
         N = Y_metadata['trials']
-        assert N.shape == y.shape
+        np.testing.assert_array_equal(N.shape, y.shape)
         return -y/np.square(inv_link_f) - (N-y)/np.square(1.-inv_link_f)
 
     def d3logpdf_dlink3(self, inv_link_f, y, Y_metadata=None):
@@ -131,7 +133,8 @@ class Binomial(Likelihood):
             (the distribution for y_i depends only on inverse link of f_i not on inverse link of f_(j!=i)
         """
         N = Y_metadata['trials']
-        assert N.shape == y.shape
+        np.testing.assert_array_equal(N.shape, y.shape)
+
         inv_link_f2 = np.square(inv_link_f)
         return 2*y/inv_link_f**3 - 2*(N-y)/(1.-inv_link_f)**3
 

GPy/models/state_space.py

@@ -293,13 +293,13 @@ class StateSpace(Model):
 
             # Update step (only if there is data)
             if not np.isnan(Y[:,k]):
-                 if Y.shape[0]==1:
-                     K = PF[:,:,k].dot(H.T)/(H.dot(PF[:,:,k]).dot(H.T) + R)
-                 else:
-                     LL = linalg.cho_factor(H.dot(PF[:,:,k]).dot(H.T) + R)
-                     K = linalg.cho_solve(LL, H.dot(PF[:,:,k].T)).T
-                 MF[:,k] += K.dot(Y[:,k]-H.dot(MF[:,k]))
-                 PF[:,:,k] -= K.dot(H).dot(PF[:,:,k])
+                if Y.shape[0]==1:
+                    K = PF[:,:,k].dot(H.T)/(H.dot(PF[:,:,k]).dot(H.T) + R)
+                else:
+                    LL = linalg.cho_factor(H.dot(PF[:,:,k]).dot(H.T) + R)
+                    K = linalg.cho_solve(LL, H.dot(PF[:,:,k].T)).T
+                MF[:,k] += K.dot(Y[:,k]-H.dot(MF[:,k]))
+                PF[:,:,k] -= K.dot(H).dot(PF[:,:,k])
 
         # Return values
         return (MF, PF)

GPy/models/state_space_main.py

@@ -215,7 +215,7 @@ class R_handling_Python(Measurement_Callables_Class):
             inv_R_square_root(k)
         """
         self.R = R
-        self.index = index
+        self.index = np.asarray(index, np.int_)
         self.R_time_var_index = int(R_time_var_index)
         self.dR = dR
 
@@ -350,7 +350,7 @@ class Q_handling_Python(Dynamic_Callables_Class):
         """
 
         self.Q = Q
-        self.index = index
+        self.index = np.asarray(index, np.int_)
         self.Q_time_var_index = Q_time_var_index
         self.dQ = dQ
 
@@ -427,7 +427,7 @@ class Std_Dynamic_Callables_Python(Q_handling_Class):
               self).__init__(Q, index, Q_time_var_index, unique_Q_number, dQ)
 
         self.A = A
-        self.A_time_var_index = A_time_var_index
+        self.A_time_var_index = np.asarray(A_time_var_index, np.int_)
         self.dA = dA
 
     def f_a(self, k, m, A):

GPy/testing/likelihood_tests.py

@@ -119,7 +119,7 @@ class TestNoiseModels(object):
         self.integer_Y = np.where(tmp > 0, tmp, 0)
         self.ns = np.random.poisson(50, size=self.N)[:, None]
         p = np.abs(np.cos(2*np.pi*self.X + np.random.normal(scale=.2, size=(self.N, self.D)))).mean(1)
-        self.binomial_Y = np.array([np.random.binomial(self.ns[i], p[i]) for i in range(p.shape[0])])[:, None]
+        self.binomial_Y = np.array([np.random.binomial(int(self.ns[i]), p[i]) for i in range(p.shape[0])])[:, None]
         
         self.var = 0.2
         self.deg_free = 4.0
@@ -570,7 +570,6 @@ class TestNoiseModels(object):
         white_var = 1e-4
         kernel = GPy.kern.RBF(X.shape[1]) + GPy.kern.White(X.shape[1])
         laplace_likelihood = GPy.inference.latent_function_inference.Laplace()
-
         m = GPy.core.GP(X.copy(), Y.copy(), kernel, likelihood=model, Y_metadata=Y_metadata, inference_method=laplace_likelihood)
         m.kern.white.constrain_fixed(white_var)
 

GPy/testing/model_tests.py

@@ -54,7 +54,7 @@ class MiscTests(unittest.TestCase):
         m.randomize()
         m.optimize()
         # Compute the mean of model prediction on 1e5 Monte Carlo samples
-        Xp = np.random.uniform(size=(1e5,2))
+        Xp = np.random.uniform(size=(int(1e5),2))
         Xp[:,0] = Xp[:,0]*15-5
         Xp[:,1] = Xp[:,1]*15
         _, var = m.predict(Xp)