std::hash< lsst::afw::image::pixel::SinglePixel< ImagePixelT, MaskPixelT, VariancePixelT > > Struct Template Reference

#include <Pixel.h>

Public Types
using	argument_type = lsst::afw::image::pixel::SinglePixel< ImagePixelT, MaskPixelT, VariancePixelT >
using	result_type = size_t

Public Member Functions
size_t	operator() (argument_type const &obj) const noexcept

Detailed Description

template<typename ImagePixelT, typename MaskPixelT, typename VariancePixelT>
struct std::hash< lsst::afw::image::pixel::SinglePixel< ImagePixelT, MaskPixelT, VariancePixelT > >

Definition at line 680 of file Pixel.h.

Member Typedef Documentation

argument_type

template<typename ImagePixelT , typename MaskPixelT , typename VariancePixelT >

using std::hash< lsst::afw::image::pixel::SinglePixel< ImagePixelT, MaskPixelT, VariancePixelT > >::argument_type = lsst::afw::image::pixel::SinglePixel<ImagePixelT, MaskPixelT, VariancePixelT>

Definition at line 681 of file Pixel.h.

result_type

template<typename ImagePixelT , typename MaskPixelT , typename VariancePixelT >

using std::hash< lsst::afw::image::pixel::SinglePixel< ImagePixelT, MaskPixelT, VariancePixelT > >::result_type = size_t

Definition at line 682 of file Pixel.h.

Member Function Documentation

operator()()

template<typename ImagePixelT , typename MaskPixelT , typename VariancePixelT >

size_t std::hash< lsst::afw::image::pixel::SinglePixel< ImagePixelT, MaskPixelT, VariancePixelT > >::operator() ( argument_type const &  obj ) const

inlinenoexcept

Definition at line 683 of file Pixel.h.

                                                               {
        // Don't want to define SinglePixel::hash_value when SinglePixel::operator== doesn't exist
        using EquivalentPixel = lsst::afw::image::pixel::Pixel<ImagePixelT, MaskPixelT, VariancePixelT>;
        // Work around Pixel needing references to external data
        ImagePixelT image = obj.image();
        MaskPixelT mask = obj.mask();
        VariancePixelT variance = obj.variance();
        return EquivalentPixel(image, mask, variance).hash_value();
    }

---

The documentation for this struct was generated from the following file:

• /j/snowflake/release/lsstsw/stack/Linux64/afw/18.1.0/include/lsst/afw/image/Pixel.h