Changes suggested by Fred

theano/sandbox/cuda/conv_gemm.cu

@@ -76,7 +76,7 @@ void im2col(const float* data_im, const int channels,
 
 
 // Author: Arjun Jain
-CudaNdarray* validMM(const CudaNdarray *input, 
+CudaNdarray* corrMM(const CudaNdarray *input, 
 				      CudaNdarray *weight,
 				      CudaNdarray *output,
 				      int padding = 0) 

theano/sandbox/cuda/tests/test_conv_cuda_ndarray.py

@@ -830,6 +830,8 @@ def test_gemm():
     input: (batch size, channels, rows, columns)
     filters: (number of filters, channels, rows, columns)
     """
+    for mode in ['valid', 'full']:
+        print 'Testing mode: ' + mode
         for bs in range(1, 5):
             for ch in range(1,4):
                 for nf in range(1,4):
@@ -839,7 +841,6 @@ def test_gemm():
                             kshape = (nf, ch, rFlt, rFlt)
                             print "ishape: ", ishape
                             print "kshape: ", kshape 
-                        mode = 'full'
                             subsample = (1, 1)
                         
                             npy_img = theano._asarray(numpy.random.rand(*ishape), dtype='float32')