Line data    Source code

       1              : // Copyright 2024, UChicago Argonne, LLC
       2              : // All Rights Reserved
       3              : // Software Name: NEML2 -- the New Engineering material Model Library, version 2
       4              : // By: Argonne National Laboratory
       5              : // OPEN SOURCE LICENSE (MIT)
       6              : //
       7              : // Permission is hereby granted, free of charge, to any person obtaining a copy
       8              : // of this software and associated documentation files (the "Software"), to deal
       9              : // in the Software without restriction, including without limitation the rights
      10              : // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      11              : // copies of the Software, and to permit persons to whom the Software is
      12              : // furnished to do so, subject to the following conditions:
      13              : //
      14              : // The above copyright notice and this permission notice shall be included in
      15              : // all copies or substantial portions of the Software.
      16              : //
      17              : // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      18              : // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      19              : // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      20              : // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      21              : // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      22              : // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      23              : // THE SOFTWARE.
      24              : 
      25              : #include "neml2/tensors/Scalar.h"
      26              : #include "neml2/tensors/assertions.h"
      27              : 
      28              : namespace neml2
      29              : {
      30         2082 : Scalar::Scalar(const CScalar & init, const TensorOptions & options)
      31         2082 :   : Scalar(at::scalar_tensor(init, options))
      32              : {
      33         2082 :   neml_assert_dbg(
      34         2082 :       !options.requires_grad(),
      35              :       "When creating a Scalar from a constant, requires_grad must be false. If you are "
      36              :       "trying to create a Scalar as a leaf variable, use Scalar::create or Scalar::full.");
      37         2082 : }
      38              : 
      39              : Scalar
      40          131 : Scalar::identity_map(const TensorOptions & options)
      41              : {
      42          131 :   return Scalar::ones(options);
      43              : }
      44              : 
      45              : neml2::Tensor
      46         8238 : Scalar::base_unsqueeze_to(Size n) const
      47              : {
      48        16476 :   indexing::TensorIndices net{indexing::Ellipsis};
      49         8238 :   net.insert(net.end(), n, indexing::None);
      50        24714 :   return neml2::Tensor(index(net), batch_sizes());
      51        16476 : }
      52              : } // namespace neml2