Line data    Source code

       1            0 : // Distributed under the MIT License.
       2              : // See LICENSE.txt for details.
       3              : 
       4              : #pragma once
       5              : 
       6              : #include <iosfwd>
       7              : 
       8              : /// \cond
       9              : namespace Options {
      10              : class Option;
      11              : template <typename T>
      12              : struct create_from_yaml;
      13              : }  // namespace Options
      14              : /// \endcond
      15              : 
      16              : /// \ingroup DataStructuresGroup
      17              : /// \brief Which floating point type to use
      18              : ///
      19              : /// An example use-case is for specifying in an input file to what precision
      20              : /// data is written to disk, since most simulations will not have full double
      21              : /// precision accuracy on volume data and we don't need all digits to visualize
      22              : /// the data.
      23            0 : enum class FloatingPointType { Float, Double };
      24              : 
      25            0 : std::ostream& operator<<(std::ostream& os, const FloatingPointType& t);
      26              : 
      27              : template <>
      28            0 : struct Options::create_from_yaml<FloatingPointType> {
      29              :   template <typename Metavariables>
      30            0 :   static FloatingPointType create(const Options::Option& options) {
      31              :     return create<void>(options);
      32              :   }
      33              : };
      34              : 
      35              : template <>
      36            0 : FloatingPointType Options::create_from_yaml<FloatingPointType>::create<void>(
      37              :     const Options::Option& options);