抛弃GdCpp*.dll/pdb历史重新建库。libhv和Sqlite的dll保留

source/CTic.cpp

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+#include "pch.h"
+#include "CTic.h"
+
+// 高精度定时器的频率，单位Hz，调用Init()确定
+// 目前测到频率在2.5M - 10M
+int64_t CTic::Freq = 0;
+// 高精度定时器的频率，单位kHz，调用Init()确定
+int64_t CTic::Freq_1k = 0;
+int64_t CTic::Freq_10k = 0;
+int64_t CTic::Freq_100k = 0;
+int64_t CTic::Freq_M10 =0;	//0.1Hz
+int64_t CTic::Freq_M100 =0;	//0.01Hz
+// 记录启动软件时的时间戳
+int64_t CTic::AppStartTick = 0;
+
+
+bool CTic::Init()
+{
+	if (Freq == 0) { // 确保只调用一次，避免多次调用后AppStartTick发生变化
+		QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(&Freq));
+		QueryCnt(AppStartTick);
+	}
+	Freq_1k   = Freq / 1000;
+	Freq_10k  = Freq / 10000;
+	Freq_100k = Freq / 100000;
+	
+	Freq_M10 = Freq * 10;
+	Freq_M100 = Freq * 100;
+
+	bool ok = (Freq_100k * 100000 == Freq);
+	_ASSERT_EXPR(ok, "Freq_100k * 100000 == Freq"); // 必须满足频率是100k的倍数
+	return ok; 
+}
+
+int64_t CAvgDiffTick::add(int64_t newvalue)
+{
+	if (!Buf) return 0;
+	if (Cnt == 0) {
+		index = 0;
+		_Avg = 0;
+	}
+	else if (Cnt < N) {
+		_Avg = int((newvalue - Buf[0]) / Cnt);
+	}
+	else {
+		if (index >= N) index = 0;
+		_Avg = int(((newvalue - Buf[index]) + N / 2) / N);
+	}
+	Buf[index] = newvalue;
+	index++;
+	Cnt++;
+	return _Avg;
+}
+
+// 测试代码
+void CAvgDiffTick::Test1(int avgnum)
+{
+	CAvgDiffTick Avg(avgnum);
+	int64_t x = 0;
+	for (int i = 0; i < 100; i++)
+	{
+		x += 1000 + rand() % 10 - 5;
+		std::cout << Avg.add(x) << std::endl;
+	}
+}
+
+void CAvgDiffTick::Test2(int avgnum)
+{
+	CAvgDiffTick Avg(avgnum);
+	int64_t x = 0;
+	for (int i = 0; i < 100; i++)
+	{
+		std::cout << Avg.add(Avg.appRun_100us()) << std::endl;
+		Sleep(100);
+	}
+}