ref: 4717f3fcc1523ee0e7e7b85273d6c5dd5bf192a3
dir: /h/in.h/
typedef struct {
FILE *fp;
} sp_in;
int sp_in_create(sp_in **p);
int sp_in_destroy(sp_in **p);
int sp_in_init(sp_data *sp, sp_in *p);
int sp_in_compute(sp_data *sp, sp_in *p, SPFLOAT *in, SPFLOAT *out);