[Cherry Pick]Fix bug in sequence_slice_op (#13622)

Qingsheng Li · web-flow · commit 8d16de730f03 · 2018-09-28T20:50:48.000+08:00
* Fix bug in sequence_slice_op

test=release/1.0.0
diff --git a/paddle/fluid/operators/sequence_slice_op.h b/paddle/fluid/operators/sequence_slice_op.h
@@ -75,11 +75,11 @@ class SequenceSliceOpKernel : public framework::OpKernel<T> {
     }
 
     for (size_t i = 0; i < n; ++i) {
-      PADDLE_ENFORCE_LT(0, offset_data[i],
+      PADDLE_ENFORCE_LE(0, offset_data[i],
                         "The offset[%d] must greater than zero.", i);
       PADDLE_ENFORCE_LT(0, length_data[i],
                         "The length[%d] must greater than zero.", i);
-      PADDLE_ENFORCE_LT(lod[0][i] + offset_data[i] + length_data[i],
+      PADDLE_ENFORCE_LE(lod[0][i] + offset_data[i] + length_data[i],
                         lod[0][i + 1], "The target tensor's length overflow.");
     }
 

Original file line number	Diff line number	Diff line change
`@@ -75,11 +75,11 @@ class SequenceSliceOpKernel : public framework::OpKernel<T> {`
`75`	`75`	`}`
`76`	`76`
`77`	`77`	`for (size_t i = 0; i < n; ++i) {`
`78`		`- PADDLE_ENFORCE_LT(0, offset_data[i],`
	`78`	`+ PADDLE_ENFORCE_LE(0, offset_data[i],`
`79`	`79`	`"The offset[%d] must greater than zero.", i);`
`80`	`80`	`PADDLE_ENFORCE_LT(0, length_data[i],`
`81`	`81`	`"The length[%d] must greater than zero.", i);`
`82`		`- PADDLE_ENFORCE_LT(lod[0][i] + offset_data[i] + length_data[i],`
	`82`	`+ PADDLE_ENFORCE_LE(lod[0][i] + offset_data[i] + length_data[i],`
`83`	`83`	`lod[0][i + 1], "The target tensor's length overflow.");`
`84`	`84`	`}`
`85`	`85`