From bb902963fc721e0af357a46191d17f5b7f082e76 Mon Sep 17 00:00:00 2001
From: kamakiri01 <kamakiri01@users.noreply.github.com>
Date: Tue, 26 Dec 2023 15:31:44 +0900
Subject: [PATCH 1/4] fix update_quantum_state type

---
 src-ts/main/type/QulacsClass.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src-ts/main/type/QulacsClass.ts b/src-ts/main/type/QulacsClass.ts
index d9c2c46..61c91d3 100644
--- a/src-ts/main/type/QulacsClass.ts
+++ b/src-ts/main/type/QulacsClass.ts
@@ -58,7 +58,7 @@ export type DensityMatrixImpl = QuantumStateBase & {
 
 export interface QuantumCircuitImpl {
     new (qubit_count: number): QuantumCircuitImpl;
-    update_quantum_state(state: QuantumState, start_index?: number, end_index?: number): void;
+    update_quantum_state(state: QuantumStateBase, start_index?: number, end_index?: number): void;
     to_string(): string;
     copy(): QuantumCircuitImpl;
     add_gate(gate: QuantumGateBase, index?: number): void;
@@ -118,7 +118,7 @@ export interface ParametricQuantumCircuitImpl extends QuantumCircuitImpl {
 }
 
 export interface QuantumGateBase {
-    update_quantum_state(state: QuantumState): void;
+    update_quantum_state(state: QuantumStateBase): void;
     to_string(): string;
     copy(): QuantumGateMatrix;
     get_matrix(): Complex[][];

From 9f472c23c5b9f546523e5edb51d96c0d0070f78c Mon Sep 17 00:00:00 2001
From: kamakiri01 <kamakiri01@users.noreply.github.com>
Date: Tue, 26 Dec 2023 15:32:14 +0900
Subject: [PATCH 2/4] fix sample

---
 sample/node/src/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sample/node/src/index.ts b/sample/node/src/index.ts
index 58f3ba2..91d7d2f 100644
--- a/sample/node/src/index.ts
+++ b/sample/node/src/index.ts
@@ -1,7 +1,7 @@
 import * as fs from "fs";
 import * as path from "path";
 import { Worker } from "worker_threads";
-import { initQulacs } from "qulacs-wasm";
+import { initQulacs, QuantumState } from "qulacs-wasm";
 
 const USE_WORKER = false;
 if (USE_WORKER) {
@@ -17,7 +17,7 @@ if (USE_WORKER) {
 } else {
     initQulacs()
         .then(async () => {
-            const { QuantumState, QuantumCircuit } = await import("qulacs-wasm");
+            const {  QuantumCircuit } = await import("qulacs-wasm");
             const state = new QuantumState(3);
             const circuit = new QuantumCircuit(3);
             circuit.add_X_gate(0);

From 6783fa59264e5e307d3a1bba2f56e980ab2aa043 Mon Sep 17 00:00:00 2001
From: kamakiri01 <kamakiri01@users.noreply.github.com>
Date: Tue, 26 Dec 2023 15:33:53 +0900
Subject: [PATCH 3/4] bump version v0.0.5

---
 CHANGELOG.md | 3 +++
 package.json | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b560cd..47b4305 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # ChangeLog
 
+## 0.0.5
+- fix update_quantum_state type, enable to use DensityMatrix class
+
 ## 0.0.4
 - Reorganized type definition dependencies
 
diff --git a/package.json b/package.json
index a1cc0e5..7c55d6e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qulacs-wasm",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "Qulacs WebAssembly version",
   "main": "lib/bundle/index.js",
   "scripts": {

From 9ae17d89865d542812966ad0de06f326fa5fef91 Mon Sep 17 00:00:00 2001
From: kamakiri01 <kamakiri01@users.noreply.github.com>
Date: Tue, 26 Dec 2023 15:35:04 +0900
Subject: [PATCH 4/4] fix lint

---
 src-ts/main/type/QulacsClass.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src-ts/main/type/QulacsClass.ts b/src-ts/main/type/QulacsClass.ts
index 61c91d3..24e5a33 100644
--- a/src-ts/main/type/QulacsClass.ts
+++ b/src-ts/main/type/QulacsClass.ts
@@ -1,4 +1,3 @@
-import { QuantumState } from "../instance";
 import { Complex } from "./common";
 
 export interface QuantumStateBase {}