Review updates and fixes.

Author: fdiasmor

src/pke/include/cryptocontext.h

@@ -66,7 +66,9 @@
 #include <algorithm>
 #include <unordered_map>
 #include <set>
-#include <iostream>
+#ifdef DEBUG_KEY
+    #include <iostream>
+#endif
 
 namespace lbcrypto {
 

src/pke/lib/scheme/ckksrns/ckksrns-advancedshe.cpp

@@ -50,8 +50,8 @@ Ciphertext<DCRTPoly> AdvancedSHECKKSRNS::EvalMultMany(const std::vector<Cipherte
                                                       const std::vector<EvalKey<DCRTPoly>>& evalKeys) const {
     const size_t inSize = ciphertextVec.size();
 
-    if (inSize < 2)
-        OPENFHE_THROW("Input ciphertext vector size should be 1 or more");
+    if (inSize == 0)
+        OPENFHE_THROW("Input ciphertext vector is empty.");
 
     if (inSize == 1)
         return ciphertextVec[0];

src/pke/lib/schemebase/base-advancedshe.cpp

@@ -46,10 +46,10 @@ template <class Element>
 Ciphertext<Element> AdvancedSHEBase<Element>::EvalAddMany(const std::vector<Ciphertext<Element>>& ciphertextVec) const {
     const size_t inSize = ciphertextVec.size();
 
-    if (ciphertextVec.size() < 2)
-        OPENFHE_THROW("Input ciphertext vector size should be 1 or more");
+    if (inSize == 0)
+        OPENFHE_THROW("Input ciphertext vector is empty.");
 
-    if (ciphertextVec.size() == 1)
+    if (inSize == 1)
         return ciphertextVec[0];
 
     const size_t lim = inSize * 2 - 2;