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1e6c6c1576a1bb90ac91df3cf733e46f49e10c8a
For custom scalars, zero is not necessarily represented by a zeroed-out memory block (e.g. gnu MPFR). We therefore cannot rely on `memset` if we want to fill a matrix or tensor with zeroes. Instead, we should rely on `fill`, which for trivial types does end up getting converted to a `memset` under-the-hood (at least with gcc/clang). Requires adding a `fill(begin, end, v)` to `TensorDevice`. Replaced all potentially bad instances of memset with fill. Fixes #2245.
Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.
For more information go to http://eigen.tuxfamily.org/.
For pull request, bug reports, and feature requests, go to https://gitlab.com/libeigen/eigen.
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