Base implementation of signed numbers and EGCD, with tests.

src/signed/mod.rs

@@ -0,0 +1,27 @@
+#[macro_use]
+mod add;
+#[macro_use]
+mod base;
+#[macro_use]
+mod compare;
+#[macro_use]
+mod conversion;
+#[macro_use]
+mod egcd;
+#[macro_use]
+mod modinv;
+#[macro_use]
+mod shift;
+#[macro_use]
+mod subtraction;
+
+use std::cmp::{Ord,Ordering,PartialOrd};
+use std::fmt;
+use std::ops::{Add,AddAssign};
+use std::ops::{Shl,ShlAssign,Shr,ShrAssign};
+use std::ops::{Sub,SubAssign};
+use unsigned::*;
+
+pub use self::egcd::EGCD;
+
+include!("invoc.rs");