本文整理汇总了C++中reference::To::get_nonzero_weight_count方法的典型用法代码示例。如果您正苦于以下问题：C++ To::get_nonzero_weight_count方法的具体用法？C++ To::get_nonzero_weight_count怎么用？C++ To::get_nonzero_weight_count使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类reference::To的用法示例。
在下文中一共展示了To::get_nonzero_weight_count方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sqrt
//! Return the signal to noise ratio
float Pulsar::AdaptiveSNR::get_snr (const Profile* profile)
{
Reference::To<PhaseWeight> baseline;
if (baseline_estimator)
baseline = baseline_estimator->operate (profile);
else
baseline = profile->baseline();
Estimate<double> mean = baseline->get_mean();
Estimate<double> variance = baseline->get_variance();
unsigned nbin = profile->get_nbin();
unsigned off_pulse = baseline->get_nonzero_weight_count();
unsigned on_pulse = nbin - off_pulse;
double energy = profile->sum() - mean.val * nbin;
double snr = energy / sqrt(variance.val*on_pulse);
if (Profile::verbose)
{
double rms = sqrt (variance.val);
cerr << "Pulsar::AdaptiveSNR::get_snr " << off_pulse << " out of " << nbin
<< " bins in baseline\n mean=" << mean << " rms=" << rms
<< " energy=" << energy << " S/N=" << snr << endl;
}
if (energy < 0)
return 0.0;
return snr;
}