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added some more comments

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This commit is contained in:
Volker Fischer 2009-12-31 16:58:48 +00:00
parent 70a90f908b
commit 52fc35357e
1 changed files with 10 additions and 2 deletions
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12
src/buffer.cpp
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@ -253,12 +253,19 @@ if ( bUseRandomInit )
const int iNumBlocks = iMemSize / iBlockSize; const int iNumBlocks = iMemSize / iBlockSize;
if ( iNumBlocks < iNumBlocksBoundForRandom ) // just for very small buffers if ( iNumBlocks < iNumBlocksBoundForRandom ) // just for very small buffers
{ {
// overwrite fill level with random value // overwrite fill level with random value, the range
// is 0 to (iMemSize - iBlockSize)
iNewFillLevel = static_cast<int> ( static_cast<double> ( rand() ) * iNewFillLevel = static_cast<int> ( static_cast<double> ( rand() ) *
iNumBlocks / RAND_MAX ) * iBlockSize; iNumBlocks / RAND_MAX ) * iBlockSize;
} }
} }
/*
// TEST
static FILE* pFile = fopen ( "test.dat", "w" );
fprintf ( pFile, "%d %d %d\n", iMemSize, iBlockSize, iNewFillLevel );
fflush ( pFile );
*/
} }
// different behaviour for get and put corrections // different behaviour for get and put corrections
@ -267,7 +274,8 @@ if ( bUseRandomInit )
// clear buffer since we had a buffer underrun // clear buffer since we had a buffer underrun
vecbyMemory.Reset ( 0 ); vecbyMemory.Reset ( 0 );
// reset buffer pointers so that they are at maximum distance // reset buffer pointers so that they are at maximum distance after
// the get operation (assign new fill level value to the get pointer)
iPutPos = 0; iPutPos = 0;
iGetPos = iNewFillLevel; iGetPos = iNewFillLevel;