Merge pull request #1018 from WanliZhong:improve_matmul

Add test for MatMul with broadcast

Author: asmorkalov

testdata/dnn/onnx/data/input_matmul_init_bcast.npy

@@ -1204,6 +1204,10 @@ def generate_matmul_init(name, inputA, inputB):
 inputB = np.random.randn(6, 2, 4, 5).astype(np.float32)
 generate_matmul_init("matmul_4d_init", inputA, inputB)
 
+inputA = np.random.randn(2, 3, 4, 5).astype(np.float32)
+inputB = np.random.randn(3, 5, 6).astype(np.float32)
+generate_matmul_init("matmul_init_bcast", inputA, inputB)
+
 def generate_matmul_init_2(name, inputA, inputB):
     outputY = inputA @ inputB
     shapeA = inputA.shape

testdata/dnn/onnx/data/output_matmul_init_bcast.npy

@@ -0,0 +1,21 @@
+matmul_init_bcast:�
+
+
A
+
Boutput"MatMulmatmul_init_bcast*�

"xٺ�>*������>ǩ?3�1��9�r�޾���?�,?֞�>8E�<
+?�,��`=��"��*-?u�?ELU�d��>q鋿�᾿���>u�*>l�"?r�@h�q?��i�d��?�o���T�B
BZ
+
A
+

+
+
+
+Z
+
B
+

+
+b 
+output
+

+
+
+
+B