various API uniformization

rlwe/src/elem.rs

@@ -0,0 +1,18 @@
+use crate::parameters::Parameters;
+use base2k::VecZnx;
+
+pub struct Elem {
+    pub value: Vec<VecZnx>,
+    pub log_scale: usize,
+}
+
+impl Parameters {
+    pub fn new_elem(&self, degree: usize, log_q: usize) -> Elem {
+        let mut value: Vec<VecZnx> = Vec::new();
+        (0..degree + 1).for_each(|_| value.push(VecZnx::new(self.n(), self.log_base2k(), log_q)));
+        Elem {
+            value: value,
+            log_scale: self.log_scale(),
+        }
+    }
+}