From bb221d876e4a238103549bfd8d4b7587143585e8 Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Sat, 3 Sep 2005 15:32:12 +0000
Subject: fix compile with MSVC 6 without Processor Pack

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@207 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 hrtimer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'hrtimer.cpp')

diff --git a/hrtimer.cpp b/hrtimer.cpp
index 38763fb..b29f745 100644
--- a/hrtimer.cpp
+++ b/hrtimer.cpp
@@ -23,7 +23,13 @@ double TimerBase::ConvertTo(word64 t, Unit unit)
 	static unsigned long unitsPerSecondTable[] = {1, 1000, 1000*1000, 1000*1000*1000};
 
 	assert(unit < sizeof(unitsPerSecondTable) / sizeof(unitsPerSecondTable[0]));
+#if defined(_MSC_VER) && (_MSC_VER < 1300)
+	// MSVC 6 workaround
+	return (double)(__int64)t * unitsPerSecondTable[unit] / (__int64)TicksPerSecond();
+#else
 	return (double)t * unitsPerSecondTable[unit] / TicksPerSecond();
+#endif
+		
 }
 
 void TimerBase::StartTimer()
-- 
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