wip on gadget product

rlwe/src/plaintext.rs

@@ -64,6 +64,10 @@ impl Plaintext {
         self.0.log_scale()
     }
 
+    pub fn zero(&mut self){
+        self.0.zero()
+    }
+
     pub fn as_ciphertext(&self) -> Ciphertext {
         unsafe { Ciphertext(std::ptr::read(&self.0)) }
     }