Updates in tests due to allow_input_downcast=False, when floatX==float32

theano/compile/tests/test_builders.py

 
 import unittest
+from theano import config
 from theano import gof
 
 from theano import compile
@@ -23,7 +24,9 @@ class T_OpFromGraph(unittest.TestCase):
         op = OpFromGraph([x, y, z], [e], mode='FAST_RUN')
         f = op(x, y, z) - op(y, z, x) #(1+3*5=array of 16) - (3+1*5=array of 8)
         fn = function([x, y, z], f)
-        xv, yv, zv = N.ones((2, 2)), N.ones((2, 2))*3, N.ones((2, 2))*5
+        xv = N.ones((2, 2), dtype=config.floatX)
+        yv = N.ones((2, 2), dtype=config.floatX)*3
+        zv = N.ones((2, 2), dtype=config.floatX)*5
         print function, function.__module__
         print fn.maker.env.toposort()
         print fn(xv, yv, zv)
@@ -36,7 +39,9 @@ class T_OpFromGraph(unittest.TestCase):
         op = OpFromGraph([x, y], [e], mode='FAST_RUN')
         f = op(x, op(y, z))
         fn = function([x, y, z], f)
-        xv, yv, zv = N.ones((2, 3)), N.ones((3, 4))*3, N.ones((4, 5))*5
+        xv = N.ones((2, 3), dtype=config.floatX)
+        yv = N.ones((3, 4), dtype=config.floatX)*3
+        zv = N.ones((4, 5), dtype=config.floatX)*5
         res = fn(xv, yv, zv)
         assert res.shape == (2, 5)
         assert numpy.all(180.0 == res)
@@ -51,7 +56,9 @@ class T_OpFromGraph(unittest.TestCase):
         f = op(x, y, z)
         f = f - T.grad(T.sum(f), y)
         fn = function([x, y, z], f)
-        xv, yv, zv = N.ones((2, 2)), N.ones((2, 2))*3, N.ones((2, 2))*5
+        xv = N.ones((2, 2), dtype=config.floatX)
+        yv = N.ones((2, 2), dtype=config.floatX)*3
+        zv = N.ones((2, 2), dtype=config.floatX)*5
         assert numpy.all(11.0 == fn(xv, yv, zv))
 
 

theano/compile/tests/test_debugmode.py

 import sys
 import numpy
 
+from theano import config
 from theano import gof
 import theano
 import theano.tensor
@@ -447,23 +448,27 @@ class Test_check_isfinite(unittest.TestCase):
         g = theano.function([x], theano.tensor.log(x), mode='DEBUG_MODE')
 
         # this should work
-        f(numpy.log([3, 4, 5]))
+        f(numpy.log([3, 4, 5]).astype(config.floatX))
 
         # if TensorType.filter_checks_isfinite were true, these would raise ValueError
         # if not, DebugMode will check internally, and raise InvalidValueError
         # passing an invalid value as an input should trigger ValueError
-        self.failUnlessRaises(debugmode.InvalidValueError, f, numpy.log([3, -4, 5]))
-        self.failUnlessRaises(debugmode.InvalidValueError, f, numpy.asarray([0, 1.0, 0])/0)
-        self.failUnlessRaises(debugmode.InvalidValueError, f, numpy.asarray([1.0, 1.0, 1.0])/0)
+        self.failUnlessRaises(debugmode.InvalidValueError, f,
+                numpy.log([3, -4, 5]).astype(config.floatX))
+        self.failUnlessRaises(debugmode.InvalidValueError, f,
+                (numpy.asarray([0, 1.0, 0])/0).astype(config.floatX))
+        self.failUnlessRaises(debugmode.InvalidValueError, f,
+                (numpy.asarray([1.0, 1.0, 1.0])/0).astype(config.floatX))
 
         # generating an invalid value internally should trigger InvalidValueError
-        self.failUnlessRaises(debugmode.InvalidValueError, g, [3,-4,5])
+        self.failUnlessRaises(debugmode.InvalidValueError, g,
+                numpy.asarray([3,-4,5], dtype=config.floatX))
 
         # this should disable the exception
         theano.tensor.TensorType.filter_checks_isfinite = False
         theano.compile.mode.predefined_modes['DEBUG_MODE'].check_isfinite = False
         # insert several Inf
-        f(numpy.asarray([1.0, 1.0, 1.0])/0)
+        f(numpy.asarray(numpy.asarray([1.0, 1.0, 1.0])/0, dtype=config.floatX))
 
 
     def test_check_isfinite_disabled(self):

theano/compile/tests/test_function_module.py

@@ -467,7 +467,8 @@ class T_picklefunction(unittest.TestCase):
         assert f2.container[s].storage is f1.container[s].storage
 
         # now put in a function with non-scalar
-        f3 = function([x, In(v, value=numpy.asarray([2,3,4.]))], x+v)
+        v_value = numpy.asarray([2,3,4.], dtype=config.floatX)
+        f3 = function([x, In(v, value=v_value)], x+v)
         list_of_things.append(f3)
 
         # try to pickle the entire things

theano/sandbox/test_rng_mrg.py

@@ -331,7 +331,10 @@ def test_uniform():
         steps = int(1e3)
     
     x = tensor.matrix()
-    for size,var_input,input in [(sample_size,[],[]), (x.shape,[x],[numpy.zeros(sample_size)])]:
+    for size, var_input, input in [
+            (sample_size, [], []),
+            (x.shape, [x], [numpy.zeros(sample_size, dtype=config.floatX)])
+            ]:
 
         print ''
         print 'ON CPU with size=(%s):'%str(size)
@@ -394,7 +397,10 @@ def test_binomial():
     x = tensor.matrix()
     v = tensor.vector()
     for mean in [0.1, 0.5]:
-        for size,var_input,input in [(sample_size,[],[]), (x.shape,[x],[numpy.zeros(sample_size)])]:
+        for size, var_input, input in [
+                (sample_size, [], []),
+                (x.shape, [x], [numpy.zeros(sample_size, dtype=config.floatX)])
+                ]:
 
             print ''
             print 'ON CPU with size=(%s) and mean(%d):'%(str(size),mean)
@@ -442,10 +448,12 @@ def test_normal0():
         rtol=.01
     sample_size_odd = (sample_size[0],sample_size[1]-1)
     x = tensor.matrix()
-    for size,const_size,var_input,input in [(sample_size,sample_size,[],[]), (x.shape,sample_size,[x],[numpy.zeros(sample_size)]),
-                                 (sample_size_odd,sample_size_odd,[],[]),#test odd value
-                                 (x.shape,sample_size_odd,[x],[numpy.zeros(sample_size_odd)]),#test odd value
-                                 ]:
+    for size, const_size, var_input, input in [
+            (sample_size, sample_size, [], []),
+            (x.shape, sample_size, [x], [numpy.zeros(sample_size, dtype=config.floatX)]),
+            (sample_size_odd, sample_size_odd, [], []),#test odd value
+            (x.shape, sample_size_odd, [x], [numpy.zeros(sample_size_odd, dtype=config.floatX)]),#test odd value
+            ]:
         print ''
         print 'ON CPU:'
 

theano/tensor/nnet/tests/test_nnet.py

@@ -4,6 +4,7 @@ import numpy
 from nose.plugins.skip import SkipTest
 
 import theano
+from theano import config
 from theano import tensor as T
 from theano import tensor
 from theano import gof
@@ -62,7 +63,7 @@ class T_Softmax(unittest.TestCase):
         x = T.vector()
         f = theano.function([x], softmax(x))
 
-        xv = numpy.random.randn(6)
+        xv = numpy.random.randn(6).astype(config.floatX)
         assert numpy.allclose(f(xv), numpy.exp(xv) / numpy.exp(xv).sum())
     def test_vector_grad(self):
         def f(a):
@@ -241,15 +242,16 @@ class T_CrossentropyCategorical1Hot(unittest.TestCase):
 
         f = theano.function([x, one_of_n], xe)
 
-        xe_val = f(numpy.asarray([[.4, .6, .0], [.1, .8, .1]]), [0,1])
+        x_val = numpy.asarray([[.4, .6, .0], [.1, .8, .1]],
+                dtype=config.floatX)
+        xe_val = f(x_val, [0,1])
 
         assert numpy.allclose(xe_val, -numpy.log([.4, .8]))
 
         def oplike(x):
             return op(x, [0,1])
 
-        tensor.verify_grad(oplike, [numpy.asarray([[.4, .6, .0], [.1, .8, .1]])],
-                rng=numpy.random)
+        tensor.verify_grad(oplike, [x_val], rng=numpy.random)
 
 
     def test_softmax_optimizations(self):
@@ -958,7 +960,7 @@ class Test_softmax_opt:
         print '==='
         assert len(f_ops) == 1
         assert softmax in f_ops
-        f(self.rng.rand(3,4))
+        f(self.rng.rand(3,4).astype(config.floatX))
 
     def test_grad(self):
         c = T.matrix()

theano/tensor/nnet/tests/test_sigm.py

 import unittest
 import theano
 from theano import tensor as T
+from theano import config
 from theano import gof
 import numpy
 from theano.tests import unittest_tools as utt
@@ -97,7 +98,7 @@ class T_softplus_opts(unittest.TestCase):
         assert isinstance(topo[0].op.scalar_op, theano.scalar.Neg)
         assert isinstance(topo[1].op.scalar_op, theano.tensor.nnet.sigm.ScalarSoftplus)
         assert isinstance(topo[2].op.scalar_op, theano.scalar.Neg)
-        f(numpy.random.rand(54))
+        f(numpy.random.rand(54).astype(config.floatX))
 
     def test_log1msigm_to_softplus(self):
         x = T.vector()
@@ -108,7 +109,7 @@ class T_softplus_opts(unittest.TestCase):
         assert len(topo)==2
         assert isinstance(topo[0].op.scalar_op, theano.tensor.nnet.sigm.ScalarSoftplus)
         assert isinstance(topo[1].op.scalar_op, theano.scalar.Neg)
-        f(numpy.random.rand(54))
+        f(numpy.random.rand(54).astype(config.floatX))
         
     def test_log1pexp_to_softplus(self):
         m = theano.config.mode
@@ -122,4 +123,4 @@ class T_softplus_opts(unittest.TestCase):
         topo = f.maker.env.toposort()
         assert len(topo)==1
         assert isinstance(topo[0].op.scalar_op,theano.tensor.nnet.sigm.ScalarSoftplus)
-        f(numpy.random.rand(54))
+        f(numpy.random.rand(54).astype(config.floatX))

theano/tensor/tests/test_basic.py

@@ -32,8 +32,12 @@ except ImportError:
 ### seed random number generator so that unittests are deterministic ###
 utt.seed_rng()
 
-def inplace_func(inputs, outputs, mode=get_default_mode()):
-    return function(inputs, outputs, mode=mode, accept_inplace=True)
+def inplace_func(inputs, outputs, mode=get_default_mode(),
+        allow_input_downcast=False):
+    return function(inputs, outputs,
+            mode=mode,
+            allow_input_downcast=allow_input_downcast,
+            accept_inplace=True)
 
 def eval_outputs(outputs):
     variables = inplace_func([], outputs)()
@@ -2437,7 +2441,7 @@ class T_op_cache(unittest.TestCase):
         fn_py = inplace_func([v], gv)
         fn_c_or_py = inplace_func([v], gv)
 
-        a = numpy.random.rand(5,2)
+        a = numpy.random.rand(5,2).astype(config.floatX)
         self.failUnless(numpy.all(fn_py(a) == fn_c_or_py(a)))
 
 
@@ -3168,7 +3172,7 @@ def test_default_state():
     assert f(3) == 15
     f['x'] = None
     assert numpy.allclose(f(1), 4.8)
-    assert numpy.allclose(f(2.2), 7)
+    assert numpy.allclose(f(numpy.asarray(2.2, dtype=config.floatX)), 7)
 
 def test_autocast():
     orig_autocast = autocast_float.dtypes

theano/tensor/tests/test_blas.py

@@ -314,14 +314,18 @@ class Warning(Exception):
 
 def just_gemm(i, o, ishapes = [(4,3), (3,5), (4,5), (), ()], max_graphlen=0):
     try:
-        f = inplace_func([Param(ii, mutable=True) for ii in i],o, mode='FAST_RUN')
+        f = inplace_func(
+                [Param(ii, mutable=True, allow_downcast=True) for ii in i],
+                o,
+                mode='FAST_RUN')
         at_least_one_gemm = False
         for node in f.maker.env.nodes:
             if node.op == T.dot: raise Warning('dot not changed to gemm_inplace in graph')
             if node.op == _dot22: raise Warning('_dot22 not changed to gemm_inplace in graph')
             if node.op == gemm_inplace: at_least_one_gemm = True
         assert at_least_one_gemm
-        g = inplace_func(i, o, mode=compile.Mode(linker='py', optimizer=None))
+        g = inplace_func(i, o, mode=compile.Mode(linker='py', optimizer=None),
+                allow_input_downcast=True)
         for node in g.maker.env.nodes:
             if node.op == gemm_inplace: raise Exception('gemm_inplace in original graph')
 
@@ -568,8 +572,8 @@ def test_dot22():
     f = theano.function([a,b],T.dot(a,b),mode=mode_blas_opt)
     topo = f.maker.env.toposort()
     assert _dot22 in [x.op for x in topo]
-    av=numpy.random.rand(5,5)
-    bv=numpy.random.rand(5,5)
+    av=numpy.random.rand(5,5).astype(config.floatX)
+    bv=numpy.random.rand(5,5).astype(config.floatX)
     f(av,bv)
 
 def test_dot22scalar():
@@ -581,9 +585,9 @@ def test_dot22scalar():
     a=T.matrix()
     b=T.matrix()
     c=T.matrix()
-    av=numpy.random.rand(5,5)
-    bv=numpy.random.rand(5,5)
-    cv=numpy.random.rand(5,5)
+    av=numpy.random.rand(5,5).astype(config.floatX)
+    bv=numpy.random.rand(5,5).astype(config.floatX)
+    cv=numpy.random.rand(5,5).astype(config.floatX)
 
     if True:
         f = theano.function([a,b],0.2*T.dot(a,b),mode=mode_blas_opt)
@@ -651,4 +655,4 @@ def test_dot_w_self():
     f = theano.function([B], p, updates = { A : A - grad[0]} )
 
     # tests correctness in debugmode
-    f(numpy.asarray([[0,1], [2,3]]))
+    f(numpy.asarray([[0,1], [2,3]], dtype=config.floatX))

theano/tensor/tests/test_naacl09.py

@@ -5,6 +5,7 @@ from theano import tensor as T
 from theano.tensor import nnet as NN
 from theano.compile import module
 from theano.compile.mode import get_default_mode
+from theano import config
 from theano import tensor as T, sparse as S
 import numpy as N
 import sys
@@ -199,17 +200,20 @@ class QuadraticDenoisingAA(module.Module):
             sz = (input_size, hidden_size)
             inf = 1/N.sqrt(input_size)
             hif = 1/N.sqrt(hidden_size)
-            obj.w1 = R.uniform(size = sz, low = -inf, high = inf)
+            obj.w1 = N.asarray(R.uniform(size = sz, low = -inf, high = inf),
+                    dtype=config.floatX)
             if not self.tie_weights:
-                obj.w2 = R.uniform(size = list(reversed(sz)), low = -hif, high = hif)
-            obj.b1 = N.zeros(hidden_size)
-            obj.b2 = N.zeros(input_size)
+                obj.w2 = N.asarray(
+                        R.uniform(size=list(reversed(sz)), low=-hif, high=hif),
+                        dtype=config.floatX)
+            obj.b1 = N.zeros(hidden_size, dtype=config.floatX)
+            obj.b2 = N.zeros(input_size, dtype=config.floatX)
             obj.qfilters = [R.uniform(size = sz, low = -inf, high = inf) * qfilter_relscale \
                     for qf in self.qfilters]
         if seed is not None:
             obj.random.seed(seed)
 
-        obj.lr = lr
+        obj.lr = N.asarray(lr, dtype=config.floatX)
 
         obj.__hide__ = ['params']
 
@@ -251,7 +255,7 @@ class SigmoidXEQuadraticDenoisingAA(QuadraticDenoisingAA):
 
     def _instance_initialize(self, obj, input_size, hidden_size, noise_level, seed, lr, qfilter_relscale):
 #        obj.l2_coef = 0.0
-        obj.noise_level = noise_level
+        obj.noise_level = N.asarray(noise_level, dtype=config.floatX)
         super(SigmoidXEQuadraticDenoisingAA, self)._instance_initialize(obj, input_size, hidden_size, seed, lr, qfilter_relscale)
 
 QDAA = SigmoidXEQuadraticDenoisingAA
@@ -438,7 +442,7 @@ class ConvolutionalMLP(module.FancyModule):
         self.hidden_representation_size = hidden_representation_size
         self.output_size = output_size
 
-        self.lr = lr
+        self.lr = N.asarray(lr, dtype=config.floatX)
 #        for layer in obj.layers:
 #            if layer.lr is None:
 #                layer.lr = lr

theano/tensor/tests/test_opt.py

@@ -9,6 +9,7 @@ from nose.plugins.skip import SkipTest
 from numpy.testing.noseclasses import KnownFailureTest
 
 import theano
+from theano import config
 from theano import gof
 from theano.tensor.opt import *
 from theano import tensor  #do not use, there is  an import * below that hides it
@@ -109,9 +110,14 @@ class test_greedy_distribute(unittest.TestCase):
 
         f = function([s, eps, x,y], r**2)
 
-        r0 = f(4,1.e-6, [1.5,2], [2.3,3.1])
-        r1 = f(4,1.e-6, [1.5,2], [2.3,3.1])
-        r2 = f(4,1.e-6, [1.5,2], [2.3,3.1])
+        s_val = numpy.asarray(4, dtype=config.floatX)
+        eps_val = numpy.asarray(1.e-6, dtype=config.floatX)
+        x_val = numpy.asarray([1.5,2], dtype=config.floatX)
+        y_val = numpy.asarray([2.3,3.1], dtype=config.floatX)
+
+        r0 = f(s_val, eps_val, x_val, y_val)
+        r1 = f(s_val, eps_val, x_val, y_val)
+        r2 = f(s_val, eps_val, x_val, y_val)
 
         assert numpy.all(r0 == r1)
         assert numpy.all(r0 == r2)
@@ -614,9 +620,9 @@ class test_canonize(unittest.TestCase):
 
 def test_local_merge_abs():
     x,y,z = T.matrices('xyz')
-    x_val = numpy.random.rand(5,5)
-    y_val = numpy.random.rand(5,5)
-    z_val = numpy.random.rand(5,5)
+    x_val = numpy.random.rand(5,5).astype(config.floatX)
+    y_val = numpy.random.rand(5,5).astype(config.floatX)
+    z_val = numpy.random.rand(5,5).astype(config.floatX)
     mode = theano.config.mode
     if mode == "FAST_COMPILE":
         mode = "FAST_RUN"
@@ -1211,7 +1217,8 @@ class test_shapeoptimizer(unittest.TestCase):
 
         # Without the optimization
         f = theano.function([x], ins_x.shape, mode=mode)
-        assert numpy.all(f(rng.randn(3,4,7)) == [3,4,7])
+        xval = rng.randn(3,4,7).astype(config.floatX)
+        assert numpy.all(f(xval) == [3,4,7])
         f_ops = [node.op for node in f.maker.env.toposort()]
         assert len(f_ops) == 5
         assert identity_noshape in f_ops
@@ -1224,7 +1231,8 @@ class test_shapeoptimizer(unittest.TestCase):
         # The identity_shape op is should not be needed anymore to compute
         # the shape
         g = theano.function([x], ins_x.shape, mode=mode)
-        assert numpy.all(g(rng.randn(6,1,2)) == [6,1,2])
+        xval = rng.randn(6,1,2).astype(config.floatX)
+        assert numpy.all(g(xval) == [6,1,2])
         g_ops = [node.op for node in g.maker.env.toposort()]
         assert len(g_ops) == 4
         assert identity_noshape not in g_ops
@@ -1234,7 +1242,8 @@ class test_shapeoptimizer(unittest.TestCase):
         ###test multiple level of op without infer_shape
         ins_x3 = identity_noshape(identity_noshape(identity_noshape(x)))
         h = theano.function([x], ins_x3.shape, mode=mode)
-        assert numpy.all(h(rng.randn(6,1,2)) == [6,1,2])
+        xval = rng.randn(6,1,2).astype(config.floatX)
+        assert numpy.all(h(xval) == [6,1,2])
         h_ops = [node.op for node in h.maker.env.toposort()]
         assert len(h_ops) == 4
         assert identity_noshape not in h_ops
@@ -1660,7 +1669,7 @@ class T_local_erf(unittest.TestCase):
         self.mode._optimizer.position_cutoff = 1.50001
 
     def test_local_one_plus_erf(self):
-        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30])
+        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30], dtype=config.floatX)
         x = T.vector()
 
         f = theano.function([x],1+T.erf(x), mode=self.mode)
@@ -1683,7 +1692,7 @@ class T_local_erf(unittest.TestCase):
         f(val)
 
     def test_local_one_minus_erf(self):
-        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30])
+        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30], dtype=config.floatX)
         x = T.vector()
 
         f = theano.function([x],1-T.erf(x), mode=self.mode)
@@ -1711,7 +1720,7 @@ class T_local_erf(unittest.TestCase):
         print f(val)
 
     def test_local_erf_minus_one(self):
-        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30])
+        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30], dtype=config.floatX)
         x = T.vector()
 
         f = theano.function([x],T.erf(x)-1, mode=self.mode)
@@ -1747,7 +1756,7 @@ class T_local_erfc(unittest.TestCase):
     def test_local_one_minus_erfc(self):
         """ test opt: 1-erfc(x) => erf(x) and -erfc(x)+1 => erf(x)
         """
-        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30])
+        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30], dtype=config.floatX)
         x = T.vector('x')
 
         f = theano.function([x],1-T.erfc(x), mode=self.mode)
@@ -1771,7 +1780,7 @@ class T_local_erfc(unittest.TestCase):
 
     def test_local_erf_neg_minus_one(self):
         """ test opt: (-1)+erfc(-x)=>erf(x)"""
-        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30])
+        val = numpy.asarray([-30,-3,-2,-1,0,1,2,3,30], dtype=config.floatX)
         x = T.vector('x')
 
         f = theano.function([x],-1+T.erfc(-x), mode=self.mode)
@@ -1794,7 +1803,7 @@ class T_local_erfc(unittest.TestCase):
         if theano.config.mode in ["DebugMode", "DEBUG_MODE", "FAST_COMPILE"]:
             #python mode don't like the inv(0)
             val.remove(0)
-        val = numpy.asarray(val)
+        val = numpy.asarray(val, dtype=config.floatX)
         x = T.vector('x')
 
         #their is some nan that will happear in the graph for the log of the negatives values
@@ -1833,7 +1842,7 @@ class T_local_erfc(unittest.TestCase):
             # In float32 their is a plage of values close to 10 that we stabilize as it give bigger error then the stabilized version.
             # The orig value in float32 -30.0, the stab value -20.1 the orig value in float64 -18.1.
             val.remove(10)
-        val = numpy.asarray(val)
+        val = numpy.asarray(val, dtype=config.floatX)
         x = T.vector('x')
         y = T.vector('y')
 
@@ -1919,7 +1928,7 @@ class T_local_sum(unittest.TestCase):
 
     def test_local_sum_all_to_none(self):
         a = T.tensor3()
-        input=numpy.arange(3*3*3).reshape(3,3,3)
+        input=numpy.arange(3*3*3, dtype=config.floatX).reshape(3,3,3)
         f = theano.function([a],a.sum(),mode=self.mode)
         assert len(f.maker.env.nodes)==1
         assert numpy.allclose(f(input),input.sum())
@@ -1935,7 +1944,7 @@ class T_local_sum(unittest.TestCase):
 
     def test_local_sum_sum(self):
         a=T.tensor3()
-        input=numpy.arange(3*3*3).reshape(3,3,3)
+        input=numpy.arange(3*3*3, dtype=config.floatX).reshape(3,3,3)
         dims=[(0,0),(1,0),(2,0),(0,1),(1,1),(2,1)]
 
         for d,dd in dims:
@@ -2036,10 +2045,10 @@ class T_local_sum_dimshuffle(unittest.TestCase):
             ]
 
         rng = numpy.random.RandomState(utt.fetch_seed())
-        a_val = rng.randn(2,2)
-        b_val = rng.randn(2)
-        c_val = rng.randn(2,2,2)
-        d_val = rng.randn()
+        a_val = rng.randn(2,2).astype(config.floatX)
+        b_val = rng.randn(2).astype(config.floatX)
+        c_val = rng.randn(2,2,2).astype(config.floatX)
+        d_val = numpy.asarray(rng.randn(), config.floatX)
 
         for i,s in enumerate(sums):
             print i

theano/tensor/tests/test_randomstreams.py

@@ -9,7 +9,7 @@ from theano.compile import Module, Method, Member
 from theano.tests import unittest_tools as utt
 
 from theano import tensor
-from theano import compile, gof
+from theano import compile, config, gof
 
 
 class T_RandomStreams(unittest.TestCase):
@@ -402,10 +402,12 @@ class T_RandomStreams(unittest.TestCase):
 
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
-        val0 = made.f([-5, .5, 0, 1])
-        val1 = made.f([.9])
-        numpy_val0 = numpy_rng.uniform(low=[-5, .5, 0, 1], high=1)
-        numpy_val1 = numpy_rng.uniform(low=[.9], high=1)
+        low_val0 = numpy.asarray([-5, .5, 0, 1], dtype=config.floatX)
+        low_val1 = numpy.asarray([.9], dtype=config.floatX)
+        val0 = made.f(low_val0)
+        val1 = made.f(low_val1)
+        numpy_val0 = numpy_rng.uniform(low=low_val0, high=1)
+        numpy_val1 = numpy_rng.uniform(low=low_val1, high=1)
         assert numpy.allclose(val0, numpy_val0)
         assert numpy.allclose(val1, numpy_val1)
 
@@ -447,13 +449,22 @@ class T_RandomStreams(unittest.TestCase):
 
         rng_seed = numpy.random.RandomState(utt.fetch_seed()).randint(2**30)
         numpy_rng = numpy.random.RandomState(int(rng_seed))
-        val0 = made.f([-5, .5, 0, 1], [[1.]])
-        val1 = made.f([.9], [[1.], [1.1], [1.5]])
-        val2 = made.f([-5, .5, 0, 1], [[1.], [1.1], [1.5]])
-
-        numpy_val0 = numpy_rng.uniform(low=[-5, .5, 0, 1], high=[1.])
-        numpy_val1 = numpy_rng.uniform(low=[.9], high=[[1.], [1.1], [1.5]])
-        numpy_val2 = numpy_rng.uniform(low=[-5, .5, 0, 1], high=[[1.], [1.1], [1.5]])
+        low_vals = [
+                numpy.asarray([-5, .5, 0, 1], dtype=config.floatX),
+                numpy.asarray([.9], dtype=config.floatX),
+                numpy.asarray([-5, .5, 0, 1], dtype=config.floatX) ]
+        high_vals = [
+                numpy.asarray([[1.]], dtype=config.floatX),
+                numpy.asarray([[1.], [1.1], [1.5]], dtype=config.floatX),
+                numpy.asarray([[1.], [1.1], [1.5]], dtype=config.floatX) ]
+
+        val0 = made.f(low_vals[0], high_vals[0])
+        val1 = made.f(low_vals[1], high_vals[1])
+        val2 = made.f(low_vals[2], high_vals[2])
+
+        numpy_val0 = numpy_rng.uniform(low=low_vals[0], high=high_vals[0])
+        numpy_val1 = numpy_rng.uniform(low=low_vals[1], high=high_vals[1])
+        numpy_val2 = numpy_rng.uniform(low=low_vals[2], high=high_vals[2])
 
         assert numpy.allclose(val0, numpy_val0)
         assert numpy.allclose(val1, numpy_val1)
@@ -473,8 +484,8 @@ class T_RandomStreams(unittest.TestCase):
         made = m.make()
         made.random.initialize()
 
-        low_val = [.1, .2, .3]
-        high_val = [1.1, 2.2, 3.3]
+        low_val = numpy.asarray([.1, .2, .3], dtype=config.floatX)
+        high_val = numpy.asarray([1.1, 2.2, 3.3], dtype=config.floatX)
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
 
@@ -510,7 +521,7 @@ class T_RandomStreams(unittest.TestCase):
         made.random.initialize()
 
         n_val = [1, 2, 3]
-        prob_val = [.1, .2, .3]
+        prob_val = numpy.asarray([.1, .2, .3], dtype=config.floatX)
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
 
@@ -546,7 +557,7 @@ class T_RandomStreams(unittest.TestCase):
         made.random.initialize()
 
         avg_val = [1, 2, 3]
-        std_val = [.1, .2, .3]
+        std_val = numpy.asarray([.1, .2, .3], dtype=config.floatX)
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
 
@@ -624,7 +635,8 @@ class T_RandomStreams(unittest.TestCase):
         made.random.initialize()
 
         n_val = [1, 2, 3]
-        pvals_val = [[.1, .9], [.2, .8], [.3, .7]]
+        pvals_val = numpy.asarray([[.1, .9], [.2, .8], [.3, .7]],
+                dtype=config.floatX)
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
 

theano/tensor/tests/test_raw_random.py

@@ -9,7 +9,7 @@ from theano.tensor import raw_random
 
 from theano import tensor
 
-from theano import compile, gof
+from theano import compile, config, gof
 
 class T_random_function(unittest.TestCase):
     def setUp(self):
@@ -494,7 +494,7 @@ class T_random_function(unittest.TestCase):
         rng_state0 = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(utt.fetch_seed())
         post0, val0 = f(rng_state0, [-5, .5, 0, 1])
-        post1, val1 = f(post0, [.9])
+        post1, val1 = f(post0, as_floatX([.9]))
         numpy_val0 = as_floatX(numpy_rng.uniform(low=[-5, .5, 0, 1], high=1))
         numpy_val1 = as_floatX(numpy_rng.uniform(low=as_floatX([.9]), high=1))
 
@@ -597,7 +597,7 @@ class T_random_function(unittest.TestCase):
         f = compile.function([rng_R, n, prob], [post_r, out], accept_inplace=True)
 
         n_val = [1, 2, 3]
-        prob_val = [.1, .2, .3]
+        prob_val = numpy.asarray([.1, .2, .3], dtype=config.floatX)
         rng = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(utt.fetch_seed())
 
@@ -628,14 +628,15 @@ class T_random_function(unittest.TestCase):
         assert out.ndim == 1
         f = compile.function([rng_R, avg, std], [post_r, out], accept_inplace=True)
 
+        def as_floatX(thing):
+            return numpy.asarray(thing, dtype=theano.config.floatX)
+
         avg_val = [1, 2, 3]
-        std_val = [.1, .2, .3]
+        std_val = as_floatX([.1, .2, .3])
         rng = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(utt.fetch_seed())
 
         # Arguments of size (3,)
-        def as_floatX(thing):
-            return numpy.asarray(thing, dtype=theano.config.floatX)
         rng0, val0 = f(rng, avg_val, std_val)
         numpy_val0 = as_floatX(numpy_rng.normal(loc=as_floatX(avg_val),
             scale=as_floatX(std_val)))
@@ -705,6 +706,7 @@ class T_random_function(unittest.TestCase):
 
         n_val = [1, 2, 3]
         pvals_val = [[.1, .9], [.2, .8], [.3, .7]]
+        pvals_val = numpy.asarray(pvals_val, dtype=config.floatX)
         rng = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(utt.fetch_seed())
 

theano/tensor/tests/test_shared_randomstreams.py

@@ -9,7 +9,7 @@ from theano.tensor.shared_randomstreams import RandomStreams
 from theano import function
 
 from theano import tensor
-from theano import compile, gof
+from theano import compile, config, gof
 
 from theano.tests import unittest_tools as utt
 
@@ -466,7 +466,7 @@ class T_SharedRandomStreams(unittest.TestCase):
         f = function([n, prob], out)
 
         n_val = [1, 2, 3]
-        prob_val = [.1, .2, .3]
+        prob_val = numpy.asarray([.1, .2, .3], dtype=config.floatX)
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
 
@@ -566,6 +566,7 @@ class T_SharedRandomStreams(unittest.TestCase):
 
         n_val = [1, 2, 3]
         pvals_val = [[.1, .9], [.2, .8], [.3, .7]]
+        pvals_val = numpy.asarray(pvals_val, dtype=config.floatX)
         seed_gen = numpy.random.RandomState(utt.fetch_seed())
         numpy_rng = numpy.random.RandomState(int(seed_gen.randint(2**30)))
 

theano/tests/test_scan.py

@@ -2,7 +2,10 @@
 import unittest
 import theano
 import numpy
+
+from theano import config
 from theano.tests  import unittest_tools as utt
+
 '''
   Questions and notes about scan that should be answered :
 
@@ -161,7 +164,7 @@ class T_Scan(unittest.TestCase):
         my_f = theano.function([state,n_steps], output, updates = updates)
 
         rng = numpy.random.RandomState(utt.fetch_seed())
-        state = rng.uniform()
+        state = asarrayX(rng.uniform())
         steps = 5
 
         numpy_values = numpy.array([ state*(2**(k+1)) for k in xrange(steps) ])
@@ -186,10 +189,10 @@ class T_Scan(unittest.TestCase):
         f2   = theano.function([u,x0,W_in,W], output, updates = updates)
         # get random initial values
         rng  = numpy.random.RandomState(utt.fetch_seed())
-        v_u  = rng.uniform( size = (4,), low = -5., high = 5.)
-        v_x0 = rng.uniform()
-        W    = rng.uniform()
-        W_in = rng.uniform()
+        v_u  = asarrayX(rng.uniform(size = (4,), low = -5., high = 5.))
+        v_x0 = asarrayX(rng.uniform())
+        W    = asarrayX(rng.uniform())
+        W_in = asarrayX(rng.uniform())
 
         # compute the output in numpy
         v_out = numpy.zeros((4,))
@@ -218,8 +221,8 @@ class T_Scan(unittest.TestCase):
         f3    = theano.function([u,x0], output, updates = updates)
         # get random initial values
 
-        v_u   = rng.uniform( size = (4,), low = -5., high = 5.)
-        v_x0  = rng.uniform()
+        v_u   = asarrayX(rng.uniform(size = (4,), low = -5., high = 5.))
+        v_x0  = asarrayX(rng.uniform())
         # compute the output i numpy
         v_out = numpy.zeros((4,))
         v_out[0] = v_u[0]*W_in.value + v_x0*W.value
@@ -491,7 +494,8 @@ class T_Scan(unittest.TestCase):
 #TypeError: ('__array__() takes no arguments (1 given)', <theano.scan.Scan object at 0x3dbbf90>(?_steps, u1, u2, y0, y1, 0.0, W1, W2), 'Sequence id of Apply node=0')
 #
 #  This don't seam to be a theano related bug...
-        vu1 = rng.rand(3,20)
+        #vu1 = rng.rand(3,20)
+        vu1 = asarrayX(rng.rand(3,20))
 
         W1 = theano.shared(vW1,'W1')
         W2 = theano.shared(vW2,'W2')
@@ -632,7 +636,7 @@ class T_Scan(unittest.TestCase):
         f2    = theano.function([u], outputs, updates = updates)
         rng = numpy.random.RandomState(utt.fetch_seed())
 
-        v_u   = rng.uniform(size=(5,), low = -5., high = 5.)
+        v_u   = rng.uniform(size=(5,), low = -5., high = 5.).astype(config.floatX)
         numpy_result = v_u + 3
         theano_result = f2(v_u)
         assert numpy.allclose(theano_result , numpy_result)
@@ -645,7 +649,7 @@ class T_Scan(unittest.TestCase):
         f = theano.function([v],abs_expr,updates = abs_updates)
 
         rng = numpy.random.RandomState(utt.fetch_seed())
-        vals = rng.uniform(size=(10,), low = -5., high = 5.)
+        vals = rng.uniform(size=(10,), low = -5., high = 5.).astype(config.floatX)
         abs_vals = abs(vals)
         theano_vals = f(vals)
         assert numpy.allclose(abs_vals , theano_vals)
@@ -665,10 +669,10 @@ class T_Scan(unittest.TestCase):
         f2   = theano.function([u,x0,W_in,W], output, updates = updates)
         # get random initial values
         rng  = numpy.random.RandomState(utt.fetch_seed())
-        v_u  = rng.uniform( size = (4,), low = -5., high = 5.)
-        v_x0 = rng.uniform()
-        W    = rng.uniform()
-        W_in = rng.uniform()
+        v_u  = asarrayX(rng.uniform(size=(4,), low=-5., high=5.))
+        v_x0 = asarrayX(rng.uniform())
+        W    = asarrayX(rng.uniform())
+        W_in = asarrayX(rng.uniform())
 
         # compute the output in numpy
         v_out = numpy.zeros((4,))
@@ -686,7 +690,7 @@ class T_Scan(unittest.TestCase):
 
         f = theano.function([v,s], result, updates = updates)
         rng = numpy.random.RandomState(utt.fetch_seed())
-        v_v = rng.uniform( size = (5,), low = -5., high = 5.)
+        v_v = rng.uniform(size = (5,), low = -5., high = 5.).astype(config.floatX)
         assert abs(numpy.sum(v_v) - f(v_v, 0.)) < 1e-3
 
 
@@ -705,7 +709,7 @@ class T_Scan(unittest.TestCase):
         grad_fn = theano.function([u,x0,W_in, W], [gu,gx0,gW_in, gW],
                 updates = updates, no_default_updates = True)
         cost_fn = theano.function([u,x0,W_in, W], cost, updates = updates,
-                no_default_updates = True)
+                no_default_updates = True, allow_input_downcast=True)
 
         # get random initial values
         rng  = numpy.random.RandomState(utt.fetch_seed())
@@ -754,7 +758,8 @@ class T_Scan(unittest.TestCase):
         grad_fn = theano.function([u1,u2,x0,y0,W_in1], gparams,
                 updates = updates, no_default_updates = True)
         cost_fn = theano.function([u1,u2,x0,y0,W_in1], cost,
-                updates = updates, no_default_updates = True)
+                updates = updates, no_default_updates = True,
+                allow_input_downcast=True)
 
         num_grad = multiple_outputs_numeric_grad(cost_fn,[v_u1,v_u2,v_x0,v_y0,vW_in1])
         analytic_grad = grad_fn(v_u1,v_u2, v_x0,v_y0, vW_in1)
@@ -954,7 +959,7 @@ class T_Scan(unittest.TestCase):
         f = theano.function([x],[y,z], updates = updates)
 
         rng = numpy.random.RandomState(utt.fetch_seed())
-        nx = rng.uniform( size = (10,10) )
+        nx = rng.uniform( size = (10,10) ).astype(config.floatX)
         ny1,nz1 = f(nx)
         ny2,nz2 = f(nx)