Fix warning and add dtype check in ops that only support float32

theano/gpuarray/linalg.py

@@ -261,7 +261,7 @@ class GpuCholesky(Op):
             raise RuntimeError('CUSOLVER is not available and '
                                'GpuCholesky Op can not be constructed.')
         if skcuda.__version__ <= '0.5.1':
-            warnings.warn('The GpuSolve op requires scikit-cuda > 0.5.1 to work with CUDA 8')
+            warnings.warn('The GpuCholesky op requires scikit-cuda > 0.5.1 to work with CUDA 8')
         if not pygpu_available:
             raise RuntimeError('Missing pygpu or triu/tril functions.'
                                'Install or update libgpuarray.')
@@ -382,6 +382,7 @@ class GpuMagmaSVD(COp):
         A = as_gpuarray_variable(A, ctx_name)
         if A.ndim != 2:
             raise LinAlgError("Matrix rank error")
+        assert A.dtype == 'float32'
         if self.compute_uv:
             return theano.Apply(self, [A],
                                 [A.type(),
@@ -476,6 +477,7 @@ class GpuMagmaMatrixInverse(COp):
     def make_node(self, x):
         ctx_name = infer_context_name(x)
         x = as_gpuarray_variable(x, ctx_name)
+        assert x.dtype == 'float32'
         if x.ndim != 2:
             raise LinAlgError("Matrix rank error")
         return theano.Apply(self, [x], [x.type()])