shithub: soundpipe

ref: 2e86b938c226edc0d8bd6c3855baf3bec02b5179
dir: /h/expon.h/

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typedef struct {
    SPFLOAT a, dur, b;
    SPFLOAT val, incr;
    uint32_t sdur, stime;
    int init;
} sp_expon;

int sp_expon_create(sp_expon **p);
int sp_expon_destroy(sp_expon **p);
int sp_expon_init(sp_data *sp, sp_expon *p);
int sp_expon_compute(sp_data *sp, sp_expon *p, SPFLOAT *in, SPFLOAT *out);