import type { Vec3 } from '../math';
export type ScalarGridArray = Float32Array | Float64Array;
export type ScalarGridOrder = `x_fastest` | `z_fastest`;
export interface ScalarGrid3D<ArrayType extends ScalarGridArray = ScalarGridArray> {
    values: ArrayType;
    dims: Vec3;
    order: ScalarGridOrder;
}
export declare function grid_dimensions(grid: ScalarGrid3D): Vec3;
export declare function scalar_grid_strides({ dims: [nx, ny, nz], order }: ScalarGrid3D): Vec3;
export declare function flatten_grid(grid: number[][][]): ScalarGrid3D<Float64Array>;
export declare function transpose_x_fastest(data: ArrayLike<number>, [nx, ny, nz]: Vec3, divisor: number): Float64Array;