fix some

qulacs · Jan 18, 2024 · 61b50b1 · 61b50b1
1 parent 9c6f128
commit 61b50b1
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/qulacs/gate/gate_npair_qubit.hpp b/qulacs/gate/gate_npair_qubit.hpp
@@ -13,7 +13,7 @@ class FusedSWAP : public QuantumGate {
         : qubit_index1(_qubit_index1), qubit_index2(_qubit_index2), block_size(_block_size) {
         UINT upper_index = std::max(_qubit_index1, _qubit_index2);
         UINT lower_index = std::min(_qubit_index1, _qubit_index2);
-        if (upper_index > (lower_index + block_size - 1)) {
+        if (upper_index <= (lower_index + block_size - 1)) {
             throw std::runtime_error(
                 "FusedSwap: upper index must be bigger than lower_index + block_size - 1");
         }

diff --git a/qulacs/gate/update_ops_npair_qubit.cpp b/qulacs/gate/update_ops_npair_qubit.cpp
@@ -14,7 +14,7 @@ void fusedswap_gate(UINT target_qubit_index_0,
     UINT upper_index, lower_index;
     upper_index = std::max(target_qubit_index_0, target_qubit_index_1);
     lower_index = std::min(target_qubit_index_0, target_qubit_index_1);
-    if (n_qubits > (upper_index + block_size - 1)) {
+    if (n_qubits <= (upper_index + block_size - 1)) {
         throw std::runtime_error(
             "FusedSwap: num of qubits must be bigger than upper_index + block_size - 1");
     }