From ed57e8bcef3f40a7d4de949fd4ab2832f4d68598 Mon Sep 17 00:00:00 2001
From: Hao Zhang <hzhangxyz@outlook.com>
Date: Mon, 16 Jun 2025 17:51:24 +0800
Subject: [PATCH] Fix wrong return type in `set_bit` in cuda kernel.

---
 qmb/_hamiltonian_cuda.cu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qmb/_hamiltonian_cuda.cu b/qmb/_hamiltonian_cuda.cu
index 3f3f88c..c54647d 100644
--- a/qmb/_hamiltonian_cuda.cu
+++ b/qmb/_hamiltonian_cuda.cu
@@ -42,7 +42,7 @@ __device__ bool get_bit(std::uint8_t* data, std::uint8_t index) {
     return ((*data) >> index) & 1;
 }
 
-__device__ bool set_bit(std::uint8_t* data, std::uint8_t index, bool value) {
+__device__ void set_bit(std::uint8_t* data, std::uint8_t index, bool value) {
     if (value) {
         *data |= (1 << index);
     } else {