WWR4.cxx

// Copyright 2023, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
// OPEN SOURCE LICENSE (MIT)
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#include "neml2/tensors/WWR4.h"
#include "neml2/tensors/R4.h"
#include "neml2/misc/math.h"
 
namespace neml2
{
 
WWR4::WWR4(const R4 & F)
  : WWR4(math::full_to_skew(
        math::full_to_skew(F - F.transpose(0, 1) - F.transpose(2, 3) + F.transpose_minor(), 1)))
{
}
 
WWR4
WWR4::identity(const torch::TensorOptions & options)
{
  return WWR4(torch::eye(3, options), 0);
}
 
} // neml2