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/models/ScalarToDiagonalSR2.h"
      26              : #include "neml2/tensors/SR2.h"
      27              : 
      28              : namespace neml2
      29              : {
      30              : register_NEML2_object(ScalarToDiagonalSR2);
      31              : 
      32              : OptionSet
      33            2 : ScalarToDiagonalSR2::expected_options()
      34              : {
      35            2 :   OptionSet options = Model::expected_options();
      36            2 :   options.doc() = "Create a diagonal symmetric rank 2 tensor with values filled by a scalar";
      37              : 
      38            4 :   options.set<bool>("define_second_derivatives") = true;
      39              : 
      40            4 :   options.set_input("input");
      41            4 :   options.set("input").doc() = "Symmetric tensor to convert";
      42              : 
      43            4 :   options.set_output("output");
      44            2 :   options.set("output").doc() = "Output full rank two tensor";
      45              : 
      46            2 :   return options;
      47            0 : }
      48              : 
      49            1 : ScalarToDiagonalSR2::ScalarToDiagonalSR2(const OptionSet & options)
      50              :   : Model(options),
      51            1 :     _input(declare_input_variable<Scalar>("input")),
      52            2 :     _output(declare_output_variable<SR2>("output"))
      53              : {
      54            1 : }
      55              : 
      56              : void
      57            3 : ScalarToDiagonalSR2::set_value(bool out, bool dout_din, bool /*d2out_din2*/)
      58              : {
      59            3 :   auto I = SR2::identity(_input.options());
      60              : 
      61            3 :   if (out)
      62            1 :     _output = _input * I;
      63              : 
      64            3 :   if (dout_din)
      65            1 :     _output.d(_input) = I;
      66            3 : }
      67              : } // namespace neml2