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From GitBox <...@apache.org>
Subject [GitHub] Zheng130126 commented on a change in pull request #435: SINGA-425 Add 3 operators
Date Sat, 09 Feb 2019 15:31:42 GMT
Zheng130126 commented on a change in pull request #435: SINGA-425 Add 3 operators
URL: https://github.com/apache/incubator-singa/pull/435#discussion_r255302097
 
 

 ##########
 File path: test/python/test_operation.py
 ##########
 @@ -264,6 +264,48 @@ def test_MeanSquareError(self):
         loss_np=tensor.to_numpy(loss)
         self.assertAlmostEqual(loss_np, 0.0366666, places=4)
         self.check_shape(dx.shape(), (3, 2))
+        
+    def test_Abs(self):
+        X=np.array([0.8,-1.2,3.3,-3.6,-0.5,0.5]).reshape(3,2).astype(np.float32)
+        XT=np.array([0.8,1.2,3.3,3.6,0.5,0.5]).reshape(3,2).astype(np.float32)
+        x=tensor.from_numpy(X)
+        x.to_device(gpu_dev)
+
+        result=autograd.abs(x)
+        Err=XT-rerult
+        dx=result.creator.backward()[0]
+
+        for ii in Err.flatten():
+            self.assertAlmostEquals(ii,0., places=3)
+        self.check_shape(dx.shape(), (3, 2))
+        
+    def test_Exp(self):
+        X=np.array([0.8,-1.2,3.3,-3.6,-0.5,0.5]).reshape(3,2).astype(np.float32)
+        XT=np.array([2.2255409,0.22313017,27.112638,0.02732372,0.60653067,1.6487212]).reshape(3,2).astype(np.float32)
+        x=tensor.from_numpy(X)
+        x.to_device(gpu_dev)
+
+        result=autograd.exp(x)
+        Err=XT-rerult
 
 Review comment:
   Sorry, The development environment is not suitable, Only run partial code!

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