Merge branch 'esp8266-native-ninja-emission' into esp8266-arduino-toolchain

This commit is contained in:
J. Nick Koston
2026-08-28 20:41:31 -05:00
40 changed files with 1202 additions and 532 deletions
@@ -53,9 +53,12 @@ def test_nonzero_indices_are_nonzero(gamma: float) -> None:
assert table[i] >= 1, f"gamma={gamma}, index {i}: got {table[i]}"
@pytest.mark.parametrize("gamma", [1.0, 2.0, 2.2, 2.8, 3.0])
@pytest.mark.parametrize("gamma", [1.0, 1.8, 2.0, 2.2, 2.8, 3.0, 4.0])
def test_table_monotonically_nondecreasing(gamma: float) -> None:
"""The gamma table must be monotonically non-decreasing."""
"""The gamma table must be monotonically non-decreasing.
gamma_table_reverse_search()'s binary search depends on this.
"""
table = generate_gamma_table(gamma)
for i in range(1, 256):
assert table[i] >= table[i - 1], (
@@ -115,3 +118,13 @@ def test_lut_output_monotonically_nondecreasing() -> None:
result = _simulate_gamma_correct_lut(table, value)
assert result >= prev, f"value={value}: result {result} < previous {prev}"
prev = result
def test_table_matches_raw_power_curve() -> None:
"""Check the gamma table against known good values for gamma=2.8."""
table = generate_gamma_table(2.8)
golden = {1: 1, 5: 1, 15: 24, 27: 122, 28: 135, 100: 4766, 200: 33193, 254: 64818}
for i, expected in golden.items():
assert table[i] == expected, (
f"index {i}: table[{i}]={table[i]} expected {expected}"
)