random_fourier.h

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#ifndef OAKFIELD_STIMULUS_RANDOM_FOURIER_H
#define OAKFIELD_STIMULUS_RANDOM_FOURIER_H
 
#include "coords.h"
#include "oakfield/operator_split.h"
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct SimContext;
 
typedef struct SimStimulusRandomFourierConfig {
    size_t field_index;           
    double amplitude;             
    double k_min;                 
    double k_max;                 
    double kx;                    
    double ky;                    
    double omega;                 
    SimStimulusCoordConfig coord; 
    double time_offset;           
    double nominal_dt;            
    double spectral_slope;        
    unsigned int feature_count;   
    uint64_t seed;                
    bool use_wavevector;          
    bool fixed_clock;             
    bool scale_by_dt;             
} SimStimulusRandomFourierConfig;
 
SimResult sim_add_stimulus_random_fourier_operator(struct SimContext *context,
                                                   const SimStimulusRandomFourierConfig *config,
                                                   size_t *out_index);
 
SimResult sim_stimulus_random_fourier_config(struct SimContext *context, size_t operator_index,
                                             SimStimulusRandomFourierConfig *out_config);
 
SimResult sim_stimulus_random_fourier_update(struct SimContext *context, size_t operator_index,
                                             const SimStimulusRandomFourierConfig *config);
 
#ifdef __cplusplus
}
#endif
 
#endif /* OAKFIELD_STIMULUS_RANDOM_FOURIER_H */