small_powers.rs - mozsearch

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// Adapted from https://github.com/Alexhuszagh/rust-lexical.

//! Pre-computed small powers.

// 32 BIT

#[cfg(limb_width_32)]

pub(crate) const POW5_32: [u32; 14] = [

    1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625, 48828125, 244140625,

    1220703125,

];

#[cfg(limb_width_32)]

pub(crate) const POW10_32: [u32; 10] = [

    1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000,

];

// 64 BIT

#[cfg(limb_width_64)]

pub(crate) const POW5_64: [u64; 28] = [

1,

5,

25,

    125,

    625,

    3125,

    15625,

    78125,

    390625,

    1953125,

    9765625,

    48828125,

    244140625,

    1220703125,

    6103515625,

    30517578125,

    152587890625,

    762939453125,

    3814697265625,

    19073486328125,

    95367431640625,

    476837158203125,

    2384185791015625,

    11920928955078125,

    59604644775390625,

    298023223876953125,

    1490116119384765625,

    7450580596923828125,

];

pub(crate) const POW10_64: [u64; 20] = [

1,

10,

    100,

    1000,

    10000,

    100000,

    1000000,

    10000000,

    100000000,

    1000000000,

    10000000000,

    100000000000,

    1000000000000,

    10000000000000,

    100000000000000,

    1000000000000000,

    10000000000000000,

    100000000000000000,

    1000000000000000000,

    10000000000000000000,

];