add more decimal places to unit test

Author: m-julian

test/kernels/test_matern52_kernel_grad.py

@@ -20,14 +20,13 @@ def test_kernel(self, cuda=False):
         b = torch.tensor([[[1, 3], [0, 4]]], dtype=torch.float)
 
         actual = torch.tensor(
-            [
-                [0.3056, -0.0000, 0.5822, 0.0188, -0.0210, 0.0420],
-                [0.0000, 0.5822, 0.0000, 0.0210, -0.0056, 0.0532],
-                [-0.5822, 0.0000, -0.8516, -0.0420, 0.0532, -0.0854],
-                [0.1305, -0.2014, -0.2014, 0.0336, -0.0816, -0.0000],
-                [0.2014, -0.1754, -0.3769, 0.0816, -0.1870, -0.0000],
-                [0.2014, -0.3769, -0.1754, 0.0000, -0.0000, 0.0408],
-            ],
+        [[ 0.3056225, -0.0000000,  0.5822443,  0.0188260, -0.0209871,  0.0419742],
+        [ 0.0000000,  0.5822443,  0.0000000,  0.0209871, -0.0056045,  0.0531832],
+        [-0.5822443,  0.0000000, -0.8515886, -0.0419742,  0.0531832, -0.0853792],
+        [ 0.1304891, -0.2014212, -0.2014212,  0.0336440, -0.0815567, -0.0000000],
+        [ 0.2014212, -0.1754366, -0.3768578,  0.0815567, -0.1870145, -0.0000000],
+        [ 0.2014212, -0.3768578, -0.1754366,  0.0000000, -0.0000000,  0.0407784]
+        ]
         )
 
         kernel = Matern52KernelGrad()