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Diffstat (limited to 'tensorflow/compiler/xla/index_util.h')
| -rw-r--r-- | tensorflow/compiler/xla/index_util.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tensorflow/compiler/xla/index_util.h b/tensorflow/compiler/xla/index_util.h index c9838966a5..0b9188e852 100644 --- a/tensorflow/compiler/xla/index_util.h +++ b/tensorflow/compiler/xla/index_util.h @@ -69,6 +69,18 @@ class IndexUtil { // sizeof(dimension(3)) * sizeof(dimension(2)) == 4 * 10 static int64 GetDimensionStride(const Shape& shape, int64 dimension); + // Returns true iff the given multi-index is contained in the bounds for the + // shape. + static bool IndexInBounds(const Shape& shape, + tensorflow::gtl::ArraySlice<int64> index); + + // Compares the given indices in lexicographic order. lhs[0] and rhs[0] are + // compared first, and lhs[rank-1] and rhs[rank-1] last. If lhs is larger, + // then -1 is returned. If rhs is larger, then 1 is returned. Otherwise, 0 is + // returned. + static int CompareIndices(tensorflow::gtl::ArraySlice<int64> lhs, + tensorflow::gtl::ArraySlice<int64> rhs); + private: TF_DISALLOW_COPY_AND_ASSIGN(IndexUtil); }; |