/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h"#include "tangled/scale.h" int sp_biscale_create(sp_biscale **p){    *p = malloc(sizeof(sp_biscale));    return SP_OK;} int sp_biscale_destroy(sp_biscale **p){    free(*p);    return SP_OK;} int sp_biscale_init(sp_data *sp, sp_biscale *p){    USED(sp);     p->min = 0;    p->max = 1;    return SP_OK;} int sp_biscale_compute(sp_data *sp, sp_biscale *p, SPFLOAT *in, SPFLOAT *out){    USED(sp);     *out = sk_biscale(*in, p->min, p->max);    return SP_OK;}