/*!
 * Ecctrl
 * https://github.com/pmndrs/ecctrl
 *
 * SPDX-FileCopyrightText: 2023-2026 Erdong Chen
 * SPDX-License-Identifier: MIT
 */
export type CurvePoint = {
    x: number;
    y: number;
    r_in?: number;
    r_out?: number;
    w_in?: number;
    w_out?: number;
};
export type CurveLUT = {
    lut: Float32Array;
    xMin: number;
    xMax: number;
    samples: number;
};
export type CurveData = {
    points: CurvePoint[];
    samples?: number;
};
export declare function bakeCurveLUT(points: CurvePoint[], samples?: number): CurveLUT;
export declare function evaluateCurveLUT(x: number, curve: CurveLUT): number;