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Annotate some core classes

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This commit is contained in:
Vinnie Falco
2013-06-23 19:31:16 -07:00
parent fca16f5c71
commit 5c21ce5b3c
12 changed files with 125 additions and 99 deletions
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51
modules/ripple_core/functional/ripple_LoadFeeTrack.cpp
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@@ -8,30 +8,6 @@ class LoadManager;
class LoadFeeTrack : public ILoadFeeTrack
{
private:
static const int lftNormalFee = 256; // 256 is the minimum/normal load factor
static const int lftFeeIncFraction = 16; // increase fee by 1/16
static const int lftFeeDecFraction = 4; // decrease fee by 1/4
static const int lftFeeMax = lftNormalFee * 1000000;
uint32 mLocalTxnLoadFee; // Scale factor, lftNormalFee = normal fee
uint32 mRemoteTxnLoadFee; // Scale factor, lftNormalFee = normal fee
int raiseCount;
boost::mutex mLock;
// VFALCO TODO Move this function to some "math utilities" file
// compute (value)*(mul)/(div) - avoid overflow but keep precision
uint64 mulDiv (uint64 value, uint32 mul, uint64 div)
{
static uint64 boundary = (0x00000000FFFFFFFF);
if (value > boundary) // Large value, avoid overflow
return (value / div) * mul;
else // Normal value, preserve accuracy
return (value * mul) / div;
}
public:
LoadFeeTrack ()
: mLocalTxnLoadFee (lftNormalFee)
@@ -171,6 +147,33 @@ public:
return j;
}
private:
// VFALCO TODO Move this function to some "math utilities" file
// compute (value)*(mul)/(div) - avoid overflow but keep precision
uint64 mulDiv (uint64 value, uint32 mul, uint64 div)
{
// VFALCO TODO replace with beast::literal64bitUnsigned ()
//
static uint64 boundary = (0x00000000FFFFFFFF);
if (value > boundary) // Large value, avoid overflow
return (value / div) * mul;
else // Normal value, preserve accuracy
return (value * mul) / div;
}
private:
static const int lftNormalFee = 256; // 256 is the minimum/normal load factor
static const int lftFeeIncFraction = 16; // increase fee by 1/16
static const int lftFeeDecFraction = 4; // decrease fee by 1/4
static const int lftFeeMax = lftNormalFee * 1000000;
uint32 mLocalTxnLoadFee; // Scale factor, lftNormalFee = normal fee
uint32 mRemoteTxnLoadFee; // Scale factor, lftNormalFee = normal fee
int raiseCount;
boost::mutex mLock;
};
//------------------------------------------------------------------------------