ZYM/BH-Bookstore-2023
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fix: fix float point error in show

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ZhuangYumin
2023-12-14 04:10:27 +00:00
parent 67b681d1dd
commit 4cfbbc2991
1 changed files with 1 additions and 1 deletions
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2
backend/src/engine.cpp
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@ -240,7 +240,7 @@ std::vector<std::string> BookStoreEngineClass::ExecuteShow(
tmp += '\t'; tmp += '\t';
tmp += i.keyword; tmp += i.keyword;
tmp += '\t'; tmp += '\t';
unsigned long long price_tmp = i.price * 100; unsigned long long price_tmp = i.price * 100 + 0.5;
tmp += std::to_string(price_tmp / 100) + "." + tmp += std::to_string(price_tmp / 100) + "." +
std::to_string(price_tmp % 100 / 10) + std::to_string(price_tmp % 100 / 10) +
std::to_string(price_tmp % 10); std::to_string(price_tmp % 10);