| """Evaluator for sums and differences of finite sets — maximize C6.""" |
| import subprocess, sys, json |
|
|
| BENCHMARK = 1.158417281556896 |
|
|
| def evaluate(program_path): |
| script = f""" |
| import json, sys, os, time |
| import numpy as np |
| sys.path.insert(0, os.path.dirname(r'{program_path}')) |
| module_name = os.path.splitext(os.path.basename(r'{program_path}'))[0] |
| start = time.time() |
| try: |
| program = __import__(module_name) |
| u_set, c6_bound = program.run() |
| except Exception as e: |
| print(json.dumps({{"error": str(e)}})); sys.exit(0) |
| eval_time = time.time() - start |
| U = np.array(u_set, dtype=int) |
| if U.ndim != 1: |
| print(json.dumps({{"error": "U must be 1D"}})); sys.exit(0) |
| if 0 not in U: |
| print(json.dumps({{"error": "U must contain 0"}})); sys.exit(0) |
| if np.any(U < 0): |
| print(json.dumps({{"error": "negative elements"}})); sys.exit(0) |
| max_u = int(np.max(U)) |
| if max_u == 0: |
| print(json.dumps({{"error": "trivial set"}})); sys.exit(0) |
| u_plus = np.unique(U[:, None] + U[None, :]) |
| u_minus = np.unique(U[:, None] - U[None, :]) |
| ratio = len(u_minus) / len(u_plus) |
| c6 = 1 + np.log(ratio) / np.log(2 * max_u + 1) |
| if abs(c6 - float(c6_bound)) > 0.01: |
| print(json.dumps({{"error": f"C6 mismatch: {{c6_bound}} vs {{c6}}"}})); sys.exit(0) |
| score = float(c6) / {BENCHMARK} |
| print(json.dumps({{"combined_score": score, "c6": float(c6), "eval_time": eval_time}})) |
| """ |
| try: |
| r = subprocess.run([sys.executable, "-c", script], capture_output=True, text=True, timeout=600) |
| for line in reversed(r.stdout.strip().splitlines()): |
| if line.strip().startswith("{"): return json.loads(line.strip()) |
| return {{"combined_score": 0.0, "error": r.stderr[-500:]}} |
| except Exception as e: |
| return {{"combined_score": 0.0, "error": str(e)}} |
|
|
