45 class CParzenWindowHistogram {
56 CParzenWindowHistogram(
double low,
double high,
size_t output_knots,
const std::vector<double>& samples);
59 ~CParzenWindowHistogram();
62 double operator [] (
double x)
const;
65 double derivative (
double x)
const;
67 struct CParzenWindowHistogramImpl *impl;