#include "admm_lite.h"
#include <stddef.h>

// Simple average aggregator to mock cross-venue coordination.
void admm_lite_step(const double* quotes, int n, double* out_aggregate) {
  if (quotes == NULL || n <= 0 || out_aggregate == NULL) return;
  double sum = 0.0;
  for (int i = 0; i < n; ++i) {
    sum += quotes[i];
  }
  *out_aggregate = sum / (double)n;
}