| 366 | } |
| 367 | |
| 368 | bool test_float8e5m2() |
| 369 | { |
| 370 | float8e5m2_t f8i; |
| 371 | float8e5m2_t f8o; |
| 372 | float f32; |
| 373 | uint32_t errorCount = 0; |
| 374 | for (int i = 0; i < 256; ++i) |
| 375 | { |
| 376 | f8i.bits = i; |
| 377 | f32 = Float8E5M2ToFloat32(f8i); |
| 378 | f8o = Float32ToFloat8E5M2(f32); |
| 379 | |
| 380 | bool pass; |
| 381 | if (isinf(f8i)) |
| 382 | pass = std::isinf(f32) == isinf(f8o) && signbit(f8i) == signbit(f8o); |
| 383 | else if (isnan(f8i)) |
| 384 | pass = std::isnan(f32) == isnan(f8o); |
| 385 | else |
| 386 | pass = f8o.bits == f8i.bits && std::isfinite(f32) == isfinite(f8o); |
| 387 | |
| 388 | if (!pass) |
| 389 | { |
| 390 | ++errorCount; |
| 391 | if (errorCount < MAX_ERRORS) |
| 392 | { |
| 393 | fprintf(stderr, "E5M2 mismatch: expected 0x%02x, got 0x%02x, float value %f\n", |
| 394 | f8i.bits, f8o.bits, f32); |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | if (errorCount >= MAX_ERRORS) |
| 400 | { |
| 401 | fprintf(stderr, "... %u more error(s) ...\n", errorCount - MAX_ERRORS); |
| 402 | } |
| 403 | |
| 404 | return errorCount == 0; |
| 405 | } |
| 406 | |
| 407 | bool test_gpu_float8(nvrhi::IDevice* device, bool e5m2) |
| 408 | { |
no test coverage detected