| 43 | oss << label << " mismatch at " << i << ": expected " << expected[i] << ", got " << actual[i] |
| 44 | << ", diff=" << diff; |
| 45 | throw std::runtime_error(oss.str()); |
| 46 | } |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | void require_max_abs_diff_below( |
| 51 | const std::vector<float> & actual, |
| 52 | const std::vector<float> & expected, |
| 53 | float max_allowed, |
| 54 | double mean_allowed, |
| 55 | const std::string & label) { |
| 56 | if (actual.size() != expected.size()) { |
| 57 | throw std::runtime_error(label + " size mismatch"); |
| 58 | } |
| 59 | float max_diff = 0.0f; |
| 60 | size_t max_index = 0; |
| 61 | double mean_diff = 0.0; |
| 62 | for (size_t i = 0; i < actual.size(); ++i) { |
| 63 | const float diff = std::fabs(actual[i] - expected[i]); |
| 64 | mean_diff += diff; |
| 65 | if (diff > max_diff) { |
| 66 | max_diff = diff; |
| 67 | max_index = i; |
| 68 | } |
| 69 | } |
| 70 | mean_diff /= static_cast<double>(actual.size()); |
| 71 | if (max_diff > max_allowed || mean_diff > mean_allowed) { |
| 72 | std::ostringstream oss; |
| 73 | oss << label << " drift exceeds bounds: max diff " << max_diff << " (limit " << max_allowed << ")" |
| 74 | << ", mean diff=" << mean_diff << " (limit " << mean_allowed << ")" |
| 75 | << " at " << max_index << " (expected " << expected[max_index] |
| 76 | << ", got " << actual[max_index] << ")"; |
| 77 | throw std::runtime_error(oss.str()); |
no test coverage detected