Basic mathematics for unsigned integers ported over, tests pass.

src/unsigned/modmul.rs

@@ -13,4 +13,27 @@ macro_rules! modmul_impls {
             }
         }
     };
+}
+
+#[cfg(test)]
+macro_rules! generate_modmul_tests {
+    ($name: ident, $lname: ident) => {
+        #[test]
+        fn $lname() {
+            let fname = format!("testdata/modmul/{}.tests", stringify!($name));
+            run_test(fname.to_string(), 4, |case| {
+                let (neg0, abytes) = case.get("a").unwrap();
+                let (neg1, bbytes) = case.get("b").unwrap();
+                let (neg2, mbytes) = case.get("m").unwrap();
+                let (neg3, cbytes) = case.get("c").unwrap();
+                assert!(!neg0 && !neg1 && !neg2 && !neg3);
+
+                let a = $name::from_bytes(abytes);
+                let b = $name::from_bytes(bbytes);
+                let m = $name::from_bytes(mbytes);
+                let c = $name::from_bytes(cbytes);
+                assert_eq!(c, a.modmul(&b, &m));
+            });
+        }
+    };
 }