filter.h

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#ifndef DH_FILTER_H_INCLUDED
#define DH_FILTER_H_INCLUDED
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "dh/filter-types.h"
 
DH_FILTER_RETURN_VALUE dh_filter(dh_filter_data* filter, double input, double* output);
 
DH_FILTER_RETURN_VALUE dh_create_filter(dh_filter_data* filter, dh_filter_parameters* options);
 
DH_FILTER_RETURN_VALUE dh_initialize_filter(dh_filter_data* filter, double value);
 
DH_FILTER_RETURN_VALUE dh_free_filter(dh_filter_data* filter);
 
DH_FILTER_RETURN_VALUE dh_filter_set_gain(dh_filter_data* filter, double gain);
 
DH_FILTER_RETURN_VALUE dh_filter_get_gain(const dh_filter_data* filter, double* gain);
 
DH_FILTER_RETURN_VALUE dh_filter_get_gain_at(const dh_filter_data* filter, double frequency, dh_frequency_response_t* gain);
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* DH_FILTER_H_INCLUDED */