ref: 70285956de156f146984f42c8ffa42401d42edd7
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);