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made calcBackproject slightly more robust.

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This commit is contained in:
Vadim Pisarevsky 2010-11-07 13:58:15 +00:00
parent d2516c4512
commit 378af78e6a
1 changed files with 1 additions and 1 deletions
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modules/imgproc/src/histogram.cpp
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@ -903,7 +903,7 @@ calcBackProj_( vector<uchar*>& _ptrs, const vector<int>& _deltas,
for( i = 0; i < dims; i++ )
{
int idx = cvFloor(*ptrs[i]*uniranges[i*2] + uniranges[i*2+1]);
if( (unsigned)idx >= (unsigned)size[i] )
if( (unsigned)idx >= (unsigned)size[i] || (_ranges && *ptrs[i] >= _ranges[i][1]))
break;
ptrs[i] += deltas[i*2];
Hptr += idx*hstep[i];