bnum/
types.rs

1//! Type aliases for big signed and unsigned integers. Each is an alias for either a [`BUint`] or a [`BInt`].
2
3use crate::{BInt, BUint};
4
5macro_rules! int_type_doc {
6    ($bits: literal, $sign: literal) => {
7        concat!($bits, "-bit ", $sign, " integer type.")
8    };
9}
10
11macro_rules! int_types {
12    { $($bits: literal $u: ident $i: ident; ) *}  => {
13        $(
14            #[doc = int_type_doc!($bits, "unsigned")]
15            pub type $u = BUint::<{$bits / 64}>;
16
17            #[doc = int_type_doc!($bits, "signed")]
18            pub type $i = BInt::<{$bits / 64}>;
19        )*
20    };
21}
22
23macro_rules! call_types_macro {
24    ($name: ident) => {
25        $name! {
26            128 U128 I128;
27            256 U256 I256;
28            512 U512 I512;
29            1024 U1024 I1024;
30            2048 U2048 I2048;
31            4096 U4096 I4096;
32            8192 U8192 I8192;
33        }
34    };
35}
36
37call_types_macro!(int_types);
38
39#[cfg(test)]
40mod tests {
41    use super::*;
42
43    macro_rules! assert_int_bits {
44        { $($bits: literal $u: ident $i: ident; ) *} => {
45            $(
46                assert_eq!($u::BITS, $bits);
47                assert_eq!($i::BITS, $bits);
48            )*
49        }
50    }
51
52    #[test]
53    fn test_int_bits() {
54        call_types_macro!(assert_int_bits);
55    }
56}
bnum/types.rs

bnum/
types.rs
