qgraphicsscenebsptreeindex.cpp File Reference

#include <QtCore/qglobal.h>
#include <private/qgraphicsscene_p.h>
#include <private/qgraphicsscenebsptreeindex_p.h>
#include <private/qgraphicssceneindex_p.h>
#include <QtCore/qmath.h>
#include <QtCore/qdebug.h>
#include "moc_qgraphicsscenebsptreeindex_p.cpp"

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Functions
static int	intmaxlog (int n)

Function Documentation

intmaxlog()

static int intmaxlog ( int  n )

inlinestatic

Definition at line 93 of file qgraphicsscenebsptreeindex.cpp.

Referenced by QGraphicsSceneBspTreeIndexPrivate::_q_updateIndex().

{
    return  (n > 0 ? qMax(qCeil(qLn(qreal(n)) / qLn(qreal(2))), 5) : 0);
}