LCOV - code coverage report
Current view: top level - include/vectorpostprocessors - FourierPowerSpectrum.h (source / functions) Hit Total Coverage
Test: idaholab/magpie: 5710af Lines: 1 1 100.0 %
Date: 2025-07-21 23:34:39 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /**********************************************************************/
       2             : /*                     DO NOT MODIFY THIS HEADER                      */
       3             : /* MAGPIE - Mesoscale Atomistic Glue Program for Integrated Execution */
       4             : /*                                                                    */
       5             : /*            Copyright 2017 Battelle Energy Alliance, LLC            */
       6             : /*                        ALL RIGHTS RESERVED                         */
       7             : /**********************************************************************/
       8             : #ifdef FFTW3_ENABLED
       9             : 
      10             : #pragma once
      11             : 
      12             : #include "GeneralVectorPostprocessor.h"
      13             : #include <memory>
      14             : 
      15             : class FourierTransform;
      16             : 
      17             : /**
      18             :  * Compute the power spectrum from the data of a FourierTransform object.
      19             :  */
      20             : class FourierPowerSpectrum : public GeneralVectorPostprocessor
      21             : {
      22             : public:
      23             :   static InputParameters validParams();
      24             : 
      25             :   FourierPowerSpectrum(const InputParameters & parameters);
      26             : 
      27           4 :   virtual void initialize() override{};
      28             :   virtual void execute() override;
      29             :   virtual void finalize() override;
      30             : 
      31             : protected:
      32             :   void computePowerSpectrum(std::vector<int> & c, std::vector<Real> & F, std::size_t i);
      33             : 
      34             :   /// Fourier Transform to provide the data
      35             :   const FourierTransform & _fourier_transform;
      36             : 
      37             :   /// mesh dimension
      38             :   const unsigned int _dim;
      39             : 
      40             :   /// grid size for FFT (needs to be signed for FFTW)
      41             :   const std::vector<int> & _grid;
      42             : 
      43             :   /// simulation box extents
      44             :   const Point _box_size;
      45             : 
      46             :   /// FFTW data buffer
      47             :   const std::vector<double> & _buffer;
      48             : 
      49             :   ///{@ power spectrum data
      50             :   std::size_t _spectrum_size;
      51             :   Real _max_frequency;
      52             :   VectorPostprocessorValue & _power_spectrum;
      53             :   VectorPostprocessorValue & _frequency;
      54             :   std::vector<int> _n_samples;
      55             :   ///@}
      56             : };
      57             : 
      58             : #endif // FFTW3_ENABLED

Generated by: LCOV version 1.14