ref: e5528584fe155e46b70be19894dc82849f36be06
dir: /h/switch.h/
typedef struct {
SPFLOAT mode;
} sp_switch;
int sp_switch_create(sp_switch **p);
int sp_switch_destroy(sp_switch **p);
int sp_switch_init(sp_data *sp, sp_switch *p);
int sp_switch_compute(sp_data *sp, sp_switch *p, SPFLOAT *trig,
SPFLOAT *in1, SPFLOAT *in2, SPFLOAT *out);