/**
 * Integer quaternion-interpolation contract used by the Paper 6 conformance experiment.
 *
 * This is deliberately not the shipped AnimationClip policy (which is shortest-arc nlerp),
 * and it is not MinimaxSLERP. It is a fixed-point, CORDIC approximation of shortest-arc
 * SLERP whose claimed output is the encoded i32 byte sequence. The WebGPU implementation
 * uses only WGSL i32/u32 operations; this independent oracle uses BigInt throughout.
 */
export declare const QUATERNION_INTERPOLATION_CONTRACT_VERSION: "paper6-q14-cordic-slerp-v1";
export declare const QUATERNION_Q14_ONE = 16384;
export declare const WEIGHT_Q15_ONE = 32768;
export declare const NEAR_ALIGNED_DOT_Q15 = 32760;
export declare const CORDIC_GAIN_Q15 = 19898;
/** atan(2^-i) in BAM16, where one complete turn is 65,536 units. */
export declare const CORDIC_ATAN_BAM16: readonly [8192, 4836, 2555, 1297, 651, 326, 163, 81, 41, 20, 10, 5, 3, 1, 1];
export type QuaternionQ14 = readonly [number, number, number, number];
export interface QuaternionInterpolationCase {
    readonly id: string;
    readonly from: QuaternionQ14;
    readonly to: QuaternionQ14;
    /** Unsigned interpolation fraction on [0, 32768], where 32768 is exactly one. */
    readonly tQ15: number;
}
/**
 * Independent BigInt oracle for the integer WGSL schedule.
 *
 * The raw Q28 dot selects the shortest-arc sign before any approximation. The ordinary
 * branch computes theta=atan2(sqrt(1-dot^2), dot), evaluates the two sine weights with
 * integer CORDIC, blends in Q14, and integer-normalizes the result.
 */
export declare function slerpQuaternionQ14Oracle(testCase: QuaternionInterpolationCase): QuaternionQ14;
/** Frozen, adversarial byte-level corpus shared by the oracle and GPU receipt harness. */
export declare const PAPER6_Q14_SLERP_CASES: readonly QuaternionInterpolationCase[];
/**
 * Encode each case as a 48-byte storage-buffer row matching the independent WGSL struct:
 * from[4] i32, to[4] i32, t u32, case id u32, and two explicit padding words.
 */
export declare function encodeQuaternionInterpolationCases(cases: readonly QuaternionInterpolationCase[]): Int32Array;
export declare function encodeQuaternionInterpolationOracleResults(cases: readonly QuaternionInterpolationCase[]): Int32Array;
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