@woosh/meep-engine/src/engine/network/core/quantize/quantize_float.d.ts

Pure JavaScript game engine. Fully featured and production ready.

/**
 * Uniform float quantization to an N-bit unsigned integer.
 *
 * Maps `[min, max]` linearly to `[0, 2^bits - 1]` using nearest-integer rounding.
 * Values outside the range are clamped. Round-trip error is bounded by
 * `(max - min) / (2 * (2^bits - 1))`.
 *
 * Pure functions; safe to call on the hot path. Caller is responsible for
 * passing the same `min`, `max`, and `bits` on both sender and receiver — there
 * is no on-wire metadata.
 *
 * @author Alex Goldring
 * @copyright Company Named Limited (c) 2025
 */
/**
 * Quantize `value` from the inclusive range `[min, max]` to an unsigned integer
 * in `[0, 2^bits - 1]`.
 *
 * Passing `NaN` for `value` returns `NaN` (both clamp comparisons are false on
 * NaN, so `Math.round(NaN * max_int)` propagates). Callers must guard against
 * NaN at the boundary — a downstream `DataView.setUintXX` will silently coerce
 * NaN to 0, hiding the upstream bug.
 *
 * @param {number} value
 * @param {number} min
 * @param {number} max  must be > min
 * @param {number} bits 1..30 (keep below 31 to stay in safe signed-shift territory)
 * @returns {number} unsigned integer in [0, 2^bits - 1]
 */
export function quantize_float(value: number, min: number, max: number, bits: number): number;
/**
 * Inverse of {@link quantize_float}. Decodes an unsigned integer back into a float
 * in `[min, max]`.
 *
 * @param {number} quantized
 * @param {number} min
 * @param {number} max
 * @param {number} bits
 * @returns {number}
 */
export function dequantize_float(quantized: number, min: number, max: number, bits: number): number;
/**
 * Round-trip a value through quantize+dequantize. Useful when sender and receiver
 * must simulate from the same quantized state to remain in sync (state-sync /
 * deterministic rollback).
 *
 * @param {number} value
 * @param {number} min
 * @param {number} max
 * @param {number} bits
 * @returns {number}
 */
export function quantize_then_dequantize_float(value: number, min: number, max: number, bits: number): number;
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