小优化

Author: fasiondog

hikyuu_cpp/hikyuu/DataType.h

@@ -149,8 +149,7 @@ using std::isinf;
 using std::isnan;
 
 inline bool iszero(price_t num) {
-    const price_t epsilon = std::numeric_limits<price_t>::epsilon();
-    return std::abs(num) < epsilon;
+    return std::abs(num) < std::numeric_limits<price_t>::epsilon();
 }
 
 using fmt::format;

hikyuu_cpp/hikyuu/trade_sys/system/System.cpp

@@ -475,6 +475,11 @@ TradeRecord System::_runMoment(const KRecord& today, const KRecord& src_today) {
         return result;
     }
 
+    if (iszero(today.transAmount) || iszero(today.transCount)) {
+        HKU_INFO_IF(trace, "[{}] ignore current amount == 0 or count == 0", name());
+        return result;
+    }
+
     // 处理当前已有的交易请求
     result = _processRequest(today, src_today);