/** F8 — Float64 monomers: MC_64–MC_71 */
/** MC_64 — FADD: f64 addition. */
export declare const fadd: (a: number, b: number) => number;
/** MC_65 — FSUB: f64 subtraction. */
export declare const fsub: (a: number, b: number) => number;
/** MC_66 — FMUL: f64 multiplication. */
export declare const fmul: (a: number, b: number) => number;
/** MC_67 — FDIV: f64 division. Division by zero → NaN. */
export declare const fdiv: (a: number, b: number) => number;
/** MC_68 — FABS: f64 absolute value. */
export declare const fabs: (a: number) => number;
/** MC_69 — FNEG: f64 negate. */
export declare const fneg: (a: number) => number;
/** MC_70 — FSQRT: f64 square root. */
export declare const fsqrt: (a: number) => number;
/** MC_71 — FMOD: f64 modulo. */
export declare const fmod: (a: number, b: number) => number;
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