decimal-scaled 0.5.0

Const-generic base-10 fixed-point decimals (D18/D38/D76/D153/D307 and the half-width tiers up to D1232) with integer-only transcendentals correctly rounded to within 0.5 ULP — exact at the type's last representable place. Deterministic across every platform; no_std-friendly.
Documentation 
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// SPDX-FileCopyrightText: 2026 John Moxley
// SPDX-License-Identifier: MIT OR Apache-2.0

//! Type definitions, per-width aliases, and per-family method shells.
//!
//! This bucket holds the generic `D<S, SCALE>` newtype, the per-width
//! aliases (`D18`, `D38`, …), the `DecimalConstants` constants
//! surface, the public-trait surface in [`traits`], and the per-family
//! inherent-impl shells (`log_exp`, `trig`, `powers`, …).
//!
//! Lower-layer kernels live in [`crate::algos`] and routing lives in
//! [`crate::policy`]; this bucket is the typed surface that calls into
//! them.

pub(crate) mod traits;

pub(crate) mod consts;
pub(crate) mod unified;
pub(crate) mod widths;

pub(crate) mod num_traits;
pub(crate) mod rescale;

// Strict (integer-only) transcendental shells. Strict is the crate's
// default; the lossy f64-bridge variants below carry the explicit
// `_fast` suffix to mark them as the opt-in.
pub(crate) mod log_exp;
pub(crate) mod powers;
#[cfg(any(not(feature = "fast"), feature = "std"))]
pub(crate) mod trig;

// `checked_*` siblings of the strict transcendental family — one
// generic impl over `(N, SCALE)`. Gated like [`trig`]: the checked
// shells delegate to the same strict surface (including the trig
// family), which a `fast`-without-`std` build does not carry.
#[cfg(any(not(feature = "fast"), feature = "std"))]
pub(crate) mod checked_transcendentals;

// Fast (f64-bridge) transcendental shells.
pub(crate) mod log_exp_fast;
pub(crate) mod powers_fast;
pub(crate) mod trig_fast;