code/flash-linear-attention/fla/ops/utils/constant.py

# Copyright (c) 2023-2025, Songlin Yang, Yu Zhang

# Approximate value of 1/ln(2), used for log/exp base conversion
# Best FP32 approximation: 1.4426950216 (hex 0x3FB8AA3B)
RCP_LN2 = 1.4426950216