carrot/tinygrad_repo/test/testextra/test_f16_decompress.py
2025-04-19 08:05:49 +09:00

16 lines
647 B
Python

import unittest
from extra.f16_decompress import u32_to_f16
from tinygrad.tensor import Tensor
from tinygrad.device import Device, is_dtype_supported
from tinygrad import dtypes
import numpy as np
class TestF16Decompression(unittest.TestCase):
def test_u32_to_f16(self):
a = Tensor.randn(50, dtype=dtypes.float16, device=None if is_dtype_supported(dtypes.float16) else "CPU")
f16_as_u32 = a.bitcast(dtypes.uint32) if is_dtype_supported(dtypes.float16) else a.bitcast(dtypes.uint32).to(Device.DEFAULT)
f16 = u32_to_f16(f16_as_u32)
ref = a.numpy()
out = f16.numpy().astype(np.float16)
np.testing.assert_allclose(out, ref)