/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" int sp_clamp_create(sp_clamp **p){    *p = malloc(sizeof(sp_clamp));    return SP_OK;} int sp_clamp_destroy(sp_clamp **p){    free(*p);    return SP_OK;} int sp_clamp_init(sp_data *sp, sp_clamp *p){    USED(sp);     p->min = 0;    p->max = 1;    return SP_OK;} int sp_clamp_compute(sp_data *sp, sp_clamp *p, SPFLOAT *in, SPFLOAT *out){    USED(sp);     if (*in < p->min) *out = p->min;    else if (*in > p->max) *out = p->max;    else *out = *in;    return SP_OK;}