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/RotationMatrix.h"
      26              : #include "neml2/tensors/Rot.h"
      27              : #include "neml2/tensors/R2.h"
      28              : #include "neml2/tensors/R3.h"
      29              : 
      30              : namespace neml2
      31              : {
      32              : register_NEML2_object(RotationMatrix);
      33              : 
      34              : OptionSet
      35            2 : RotationMatrix::expected_options()
      36              : {
      37            2 :   OptionSet options = Model::expected_options();
      38            2 :   options.doc() =
      39            2 :       "Convert a Rot (rotation represented in Rodrigues format) to R2 (a full rotation matrix).";
      40              : 
      41            4 :   options.set_input("from");
      42            4 :   options.set("from").doc() = "Rot to convert";
      43              : 
      44            4 :   options.set_output("to");
      45            2 :   options.set("to").doc() = "R2 to store the resulting rotation matrix";
      46              : 
      47            2 :   return options;
      48            0 : }
      49              : 
      50            5 : RotationMatrix::RotationMatrix(const OptionSet & options)
      51              :   : Model(options),
      52            5 :     _from(declare_input_variable<Rot>("from")),
      53           10 :     _to(declare_output_variable<R2>("to"))
      54              : {
      55            5 : }
      56              : 
      57              : void
      58           10 : RotationMatrix::set_value(bool out, bool dout_din, bool /*d2out_din2*/)
      59              : {
      60           10 :   if (out)
      61           10 :     _to = Rot(_from).euler_rodrigues();
      62              : 
      63           10 :   if (dout_din)
      64            5 :     if (_from.is_dependent())
      65            5 :       _to.d(_from) = Rot(_from).deuler_rodrigues();
      66           10 : }
      67              : } // namespace neml2