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Merged
veblush merged 1 commit into from
Jan 29, 2026
Merged

Automated sync from github.com/tensorflow/tensorflow #3365

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15 changes: 10 additions & 5 deletions tensorflow/lite/kernels/internal/reference/broadcast_to.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,14 @@ void BroadcastImpl(const NdArrayDesc<N>& input_desc, const char* input_data,
const int type_size) {
// Copy data from input to output.
if (dim == last_broadcasting_dim) {
int copy_size = output_desc.strides[dim] * type_size;
size_t copy_size =
static_cast<size_t>(output_desc.strides[dim]) * type_size;
const char* data_src =
input_data + SubscriptToIndex(input_desc, indexes) * type_size;
input_data +
static_cast<size_t>(SubscriptToIndex(input_desc, indexes)) * type_size;
char* data_dst =
output_data + SubscriptToIndex(output_desc, indexes) * type_size;
output_data +
static_cast<size_t>(SubscriptToIndex(output_desc, indexes)) * type_size;
for (int i = 0; i < output_desc.extents[dim]; ++i, data_dst += copy_size) {
memcpy(data_dst, data_src, copy_size);
}
Expand All @@ -50,9 +53,11 @@ void BroadcastImpl(const NdArrayDesc<N>& input_desc, const char* input_data,
// Duplicate data in output tensor.
indexes[dim] = 0;
if (input_desc.extents[dim] != output_desc.extents[dim]) {
int copy_size = output_desc.strides[dim] * type_size;
size_t copy_size =
static_cast<size_t>(output_desc.strides[dim] * type_size);
char* data_src =
output_data + SubscriptToIndex(output_desc, indexes) * type_size;
output_data +
static_cast<size_t>(SubscriptToIndex(output_desc, indexes)) * type_size;
char* data_dst = data_src + copy_size;
for (int i = 1; i < output_desc.extents[dim]; ++i, data_dst += copy_size) {
memcpy(data_dst, data_src, copy_size);
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