45 class CParzenWindowHistogram
57 CParzenWindowHistogram(
double low,
double high,
size_t output_knots,
const std::vector<double>& samples);
60 ~CParzenWindowHistogram();
63 double operator [] (
double x)
const;
66 double derivative (
double x)
const;
68 struct CParzenWindowHistogramImpl *impl;