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bug #1241: does not emmit anything for empty tensors

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This commit is contained in:
Gael Guennebaud 2016-06-23 18:47:31 +02:00
parent 55fc04e8b5
commit 360a743a10
1 changed files with 2 additions and 8 deletions
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10
unsupported/Eigen/CXX11/src/Tensor/TensorIO.h
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@ -26,10 +26,7 @@ struct TensorPrinter {
typedef typename internal::remove_const<typename Tensor::Scalar>::type Scalar;
typedef typename Tensor::Index Index;
const Index total_size = internal::array_prod(tensor.dimensions());
if (total_size == 0) {
os << "Empty tensor of rank " << Rank;
}
else {
if (total_size > 0) {
const Index first_dim = Eigen::internal::array_get<0>(tensor.dimensions());
static const int layout = Tensor::Layout;
Map<const Array<Scalar, Dynamic, Dynamic, layout> > matrix(const_cast<Scalar*>(tensor.data()), first_dim, total_size/first_dim);
@ -46,10 +43,7 @@ struct TensorPrinter<Tensor, 1> {
typedef typename internal::remove_const<typename Tensor::Scalar>::type Scalar;
typedef typename Tensor::Index Index;
const Index total_size = internal::array_prod(tensor.dimensions());
if (total_size == 0) {
os << "Empty tensor of rank 1";
}
else {
if (total_size > 0) {
Map<const Array<Scalar, Dynamic, 1> > array(const_cast<Scalar*>(tensor.data()), total_size);
os << array;
}