// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2026 Fábio Henrique de Lima Silva (fhl.bsb@gmail.com) All rights reserved.
//! Optimized Tanh (Hyperbolic Tangent) activation kernels.
//!
//! - **Production path:** Padé \[5,4\] rational approximant with hardware division
//! (`simd_tanh_avx2`, `simd_tanh_dual_avx2`, `simd_tanh_avx512`).
//! - **Reference path:** Padé NR2 variants retained for benchmarking and
//! documentation (`simd_tanh_pade_nr2_avx2`, `simd_tanh_pade_nr2_avx512`).
//! - **High-fidelity path:** Polynomial exp-based tanh kernels (degree-6 Taylor,
//! ≤ 2.4e-7 error). Sigmoid polynomial kernels live in
//! `crate::math::activations::sigmoid::high_fidelity`.
/// Polynomial exp-based tanh kernels (degree-6 Taylor, ≤ 2.4e-7 error).
/// Also exports the `simd_tanh_sigmoid_dual_poly_*` gated fusion.
/// AVX-512 polynomial exp/tanh kernels (re-exported by `high_fidelity`).
/// Experimental / reference Padé NR2 variants retained for benchmarking.
pub use *;
pub use *;
pub use *;