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/dispatchers/SliceGenerator.h"
      26              : #include "neml2/misc/assertions.h"
      27              : 
      28              : namespace neml2
      29              : {
      30           14 : SliceGenerator::SliceGenerator(std::size_t start, std::size_t stop)
      31           14 :   : _start(start),
      32           14 :     _stop(stop)
      33              : {
      34           14 :   neml_assert(_start < _stop,
      35              :               "Invalid slice, expect start < stop. Got start = ",
      36           14 :               _start,
      37              :               ", stop = ",
      38           14 :               _stop);
      39           14 : }
      40              : 
      41              : std::size_t
      42           71 : SliceGenerator::total() const
      43              : {
      44           71 :   return _stop - _start;
      45              : }
      46              : 
      47              : std::pair<std::size_t, indexing::Slice>
      48           57 : SliceGenerator::generate(std::size_t n)
      49              : {
      50           57 :   std::size_t m = std::min(n, _stop - _start - offset());
      51           57 :   indexing::Slice work(_start + offset(), _start + offset() + m);
      52          114 :   return {m, std::move(work)};
      53           57 : }
      54              : } // namespace neml2