extent

Header: <pressio/ops.hpp>

API

namespace pressio { namespace ops{

template<class T, class IndexType>
std::size_t extent(const T & objectIn, const IndexType i);

}} // end namespace pressio::ops

Description

• Returns the size or dimension of a container objectIn along a specified axis i

• T must be one of the following:

  • an Eigen vector or matrix object

  • a Kokkos view

  • a Teuchos vector

  • a Tpetra vector or multi-vector

  • a Tpetra block vector or multi-vector

  • a pressio expression, i.e. pressio::diag, pressio::span, pressio::subspan, based on an Eigen, Tpetra Block, or Kokkos container

Notes

• See the ops homepage for a table of booleans to use when checking that T has the correct type.