// --------------------------------------------------------------
// --------------------------------------------------------------
#ifndef _NOISE_H_
#define	_NOISE_H_

#include "synth_defs.h"

#define NOISE_LFSR_POLY			0xD0000001
#define NOISE_LFSR_MAX			0xFFFFFFFF

// --------------------------------------------------------------
// Types
// --------------------------------------------------------------
typedef struct _snoise_gen_t
{
	long state;
} noise_gen_t;

// --------------------------------------------------------------
#if defined(__cplusplus)
extern "C" {
#endif

// --------------------------------------------------------------
// Exported functions
// --------------------------------------------------------------
void Noise_Init(noise_gen_t *pObj, UINT32 seed);
void Noise_Free(noise_gen_t *pObj);
synth_float_t Noise_Uniform(noise_gen_t *pObj, synth_float_t vmax, synth_float_t mu);
synth_float_t Noise_Gaussian(noise_gen_t *pObj, synth_float_t std, synth_float_t mu);

#if defined(__cplusplus)
}

#endif
// --------------------------------------------------------------

#endif // _NOISE_H_