/**
 * Shared parallel array-evaluation helpers for the typed math surfaces.
 *
 * `kernelSource` and `mapArray` were previously duplicated verbatim in
 * `typed/special.ts` and `typed/distributions.ts`; they now live here once.
 *
 * Both helpers run on the MAIN THREAD (they build the kernel source string and
 * dispatch it), so they may freely import — they are never themselves
 * serialized into a worker. The scalar functions whose `.toString()` is
 * embedded by `kernelSource` are what must stay self-contained, not these.
 *
 * @packageDocumentation
 */
/** 64-bit float (default for decimals) */
type f64 = number;
/**
 * Build a self-contained kernel source string: dependency function
 * declarations followed by an expression that evaluates to `(x) => number`.
 */
export declare function kernelSource(deps: Array<(...args: never[]) => unknown>, body: string): string;
/**
 * Evaluate a scalar function across an array, dispatching large inputs to the
 * worker pool. Falls back to a sequential loop when the pool is not
 * initialized or the input is below the parallel threshold.
 */
export declare function mapArray(x: Float64Array, scalar: (v: f64) => f64, buildKernel: () => string): Promise<Float64Array>;
export {};
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