SchemeBitIndex FDREngineDescription::getSchemeBit(BucketIndex b,
PositionInBucket p) const {
assert(p < getBucketWidth(b));
SchemeBitIndex sbi = p * getNumBuckets() + b;
assert(sbi < getSchemeWidth());
return sbi;
}
double getLowerBound( size_t idx ) const
{
return min_val + ( (idx) * getBucketWidth() );
}
double getCenter( size_t idx ) const
{
return min_val + ( (idx+0.5) * getBucketWidth() );
}
/**
* return relative count in bin so that the integral over all bins would
* result in 1.0. Note, that this is the integral and not the sum, so it
* takes the width of the bins into account.
*/
double getRelative( size_t idx ) const
{
return operator[]( idx ) / getBucketWidth() / (double)total();
}
