#include #include "sig.h" typedef struct ops_add_ctxt_t { sig_t *a, *b; } ops_add_ctxt_t; static size_t ops_add_size(va_list ap) { return sizeof(ops_add_ctxt_t); } static void ops_add_init(void *context, va_list ap) { ops_add_ctxt_t *ctxt = context; assert(ctxt); ctxt->a = va_arg(ap, sig_t *); ctxt->b = va_arg(ap, sig_t *); } static void ops_add_destroy(void *context) { ops_add_ctxt_t *ctxt = context; assert(ctxt); sig_free(ctxt->a); sig_free(ctxt->b); } static float ops_add_output(void *context, unsigned ticks_ms) { ops_add_ctxt_t *ctxt = context; assert(ctxt); return sig_output(ctxt->a, ticks_ms) + sig_output(ctxt->b, ticks_ms); } sig_ops_t sig_ops_add = { .size = ops_add_size, .init = ops_add_init, .destroy = ops_add_destroy, .output = ops_add_output, };