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Hide some annoying unused variable warnings in g++8.1

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(grafted from a7779a9b427ffe755fb163e7bfdb1eda4fb1f73e
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This commit is contained in:
Christoph Hertzberg 2019-01-29 16:48:21 +01:00
parent bb9981e24b
commit 6870a39feb
1 changed files with 2 additions and 0 deletions
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2
unsupported/Eigen/CXX11/src/Tensor/TensorContractionMapper.h
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@ -113,6 +113,7 @@ class SimpleTensorContractionMapper {
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Index computeIndex(Index row, Index col) const {
const bool left = (side == Lhs);
EIGEN_UNUSED_VARIABLE(left); // annoying bug in g++8.1: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85963
Index nocontract_val = left ? row : col;
Index linidx = 0;
for (int i = static_cast<int>(array_size<nocontract_t>::value) - 1; i > 0; i--) {
@ -151,6 +152,7 @@ class SimpleTensorContractionMapper {
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE IndexPair<Index> computeIndexPair(Index row, Index col, const Index distance) const {
const bool left = (side == Lhs);
EIGEN_UNUSED_VARIABLE(left); // annoying bug in g++8.1: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85963
Index nocontract_val[2] = {left ? row : col, left ? row + distance : col};
Index linidx[2] = {0, 0};
if (array_size<typename Tensor::Dimensions>::value > array_size<contract_t>::value) {