Rename to piar

src/bbp.rs

@@ -91,3 +91,15 @@ fn expm(p: f64, ak: f64) -> f64 {
 
     r
 }
+
+#[cfg(test)]
+mod tests { // TODO: use a tests directory instead?
+    use super::get_byte;
+
+    #[test]
+    fn test_get_byte() {
+        assert_eq!(36, get_byte(0));
+        assert_eq!(163, get_byte(10));
+        assert_eq!(41, get_byte(100));
+    }
+}