/* This code is placed in the public domain. */ #include <stdlib.h>#include "soundpipe.h" int sp_trand_create(sp_trand **p){    *p = malloc(sizeof(sp_trand));    return SP_OK;} int sp_trand_destroy(sp_trand **p){    free(*p);    return SP_OK;} int sp_trand_init(sp_data *sp, sp_trand *p){    USED(sp);     p->min = 0;    p->max = 1;    p->val = 0;    return SP_OK;} int sp_trand_compute(sp_data *sp, sp_trand *p, SPFLOAT *in, SPFLOAT *out){    if(*in != 0) {        p->val = p->min + ((SPFLOAT) sp_rand(sp) / SP_RANDMAX) * (p->max - p->min);        *out = p->val;    } else {        *out = p->val;    }    return SP_OK;}