BloombergVector BloombergVector::operator+(double a) const{
Q_D(const BloombergVector);
BloombergVector ResultVector(*this);
for (int i = 0; i<d->m_VectVal.size(); i++) {
ResultVector.d_func()->m_VectVal[i] += a;
}
ResultVector.RepackVector();
return ResultVector;
}
SampleStatisticsEngine::ResultVector SampleStatisticsEngine::runOnBatch(const Bundle& bundle)
{
auto& input = bundle["inputActivations"].get<matrix::MatrixVector>().front();
util::log("SampleStatisticsEngine") << "Computing sample statistics over "
<< input.size().product() << " elements...\n";
for(auto element : input)
{
_samples += 1.0;
double delta = element - _mean;
_mean = _mean + delta / _samples;
_sumOfSquaresOfDifferences += delta * (element - _mean);
}
util::log("SampleStatisticsEngine") << " mean " << _mean << ", sum of squares of differences "
<< _sumOfSquaresOfDifferences << ", samples " << _samples << "\n";
return ResultVector();
}
vector<double> zeros( unsigned int n )
{
vector<double> ResultVector(n,0);
//printf("Success, VECTOR of size %d created with zeroes.\n",n);
return ResultVector;
}