def test_shuffle_is_random(self):
X = np.arange(10).reshape(1, -1, 1)
T = create_targets_object(np.arange(10).reshape(1, -1, 1))
global_rnd.set_seed(1)
_, _, s1 = shuffle_data(X, T)
_, _, s2 = shuffle_data(X, T)
self.assertFalse(np.all(s1 == s2))
def test_initialize_depends_on_global_rnd(self):
global_rnd.set_seed(1)
net1 = build_net(InputLayer(1) >> ForwardLayer(3))
net1.initialize(Gaussian())
global_rnd.set_seed(1)
net2 = build_net(InputLayer(1) >> ForwardLayer(3))
net2.initialize(Gaussian())
np.testing.assert_allclose(net1.param_buffer, net2.param_buffer)
def test_shuffle_seed_overwrites_global_seed(self):
X = np.arange(10).reshape(1, -1, 1)
T = create_targets_object(np.arange(10).reshape(1, -1, 1))
global_rnd.set_seed(1)
_, _, s1 = shuffle_data(X, T, seed=1)
global_rnd.set_seed(1)
_, _, s2 = shuffle_data(X, T, seed=2)
self.assertFalse(np.all(s1 == s2))
def test_shuffle_depends_on_global_seed(self):
X = np.arange(10).reshape(1, -1, 1)
T = create_targets_object(np.arange(10).reshape(1, -1, 1))
global_rnd.set_seed(1)
_, _, s1 = shuffle_data(X, T)
global_rnd.set_seed(1)
_, _, s2 = shuffle_data(X, T)
np.testing.assert_array_equal(s1.flat, s2.flat)
# coding=utf-8
from __future__ import division, print_function, unicode_literals
import unittest
import numpy as np
from pylstm import Gaussian, create_targets_object, global_rnd
from pylstm.structure import Lstm97Layer
from pylstm.structure import build_net, InputLayer
from pylstm.utils import check_gradient, check_deltas, check_rpass
from pylstm.wrapper import Matrix
rnd = np.random.RandomState(213998106)
global_rnd.set_seed(12308746)
class NetworkTests(unittest.TestCase):
def build_network(self, lstm_configuration):
lstm_config = {
'act_func': 'linear',
'input_gate': True,
'output_gate': True,
'forget_gate': True,
'peephole_connections': True,
'gate_recurrence': False,
'use_bias': True,
'full_gradient': True,
'in_act_func': 'tanh',
'coupled_if_gate': False
def test_seeded_global_rnd_deterministic(self):
global_rnd.set_seed(1)
a = global_rnd.randint(1000)
global_rnd.set_seed(1)
b = global_rnd.randint(1000)
self.assertEqual(a, b)
def setUp(self):
global_rnd.set_seed(1)
