[MLU] fix two bugs in testCase7 and testZero in test_bilinear_interp_v2_op_mlu.py (#1351)

Author: TernenceCao

backends/mlu/kernels/interpolate_kernel.cc

@@ -165,6 +165,10 @@ void InterpolateKernel(
     }
   }
 
+  if (out_h == 1 && out_w == 1) {
+    align_center = 0;
+  }
+
   VLOG(5) << "[Interp] n: " << n << " in_d: " << in_d << " in_h: " << in_h
           << " in_w: " << in_w << " out_d: " << out_d << " out_h: " << out_h
           << " out_w: " << out_w << " c: " << c;
@@ -442,6 +446,10 @@ void InterpolateGradKernel(
     }
   }
 
+  if (out_h == 1 && out_w == 1) {
+    align_center = 0;
+  }
+
   phi::DDim dim_grad;
   phi::DDim dim_out_grad, dim_out_trans_grad, dim_in_grad, dim_in_trans_grad;
   Tensor transformed_output_grad, transformed_input_grad;

backends/mlu/tests/unittests/test_bilinear_interp_v2_op_mlu.py

@@ -278,6 +278,9 @@ def init_test_case(self):
         self.align_corners = False
         self.align_mode = 1
 
+    def test_check_output(self):
+        self.check_output_with_place(self.place, atol=1e-5)
+
 
 class TestBilinearInterpSame(TestBilinearInterpOp):
     def init_test_case(self):