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Done exercise 1 & 2 #10

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da53a03
done exercise 1
Nov 13, 2018
e9fa47a
done exercise 2
Nov 13, 2018
c05d47a
fali jedan noexcept
Nov 13, 2018
6c83b55
std::exchange addition
Nov 13, 2018
4662719
UPS
Nov 13, 2018
752add9
UPS 2
Nov 14, 2018
8141dd4
done exercise 3
Nov 14, 2018
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66 changes: 66 additions & 0 deletions exercise/01/color.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,66 @@
#include "stdafx.h"
#include "color.h"
#include <algorithm>
#include <type_traits>



color::color(double const & red, double const & green, double const & blue) noexcept :
red(std::clamp(red, 0., 1.)),
green(std::clamp(green, 0., 1.)),
blue(std::clamp(blue, 0., 1.))
{
}

double color::get_red() const noexcept
{
return red;
}

double color::get_green() const noexcept
{
return green;
}

double color::get_blue() const noexcept
{
return blue;
}

double color::get_luminance() const noexcept
{
return 0.2126 * red + 0.7152 * green + 0.0722 * blue;
}

COLORREF color::get_color_ref() const noexcept
{
return RGB(char(red * 255), char(green * 255), char(blue * 255));
}

void color::set_red(double const & red) noexcept
{
this->red = std::clamp(red, 0., 1.);
}

void color::set_green(double const & green) noexcept
{
this->green = std::clamp(green, 0., 1.);
}

void color::set_blue(double const & blue) noexcept
{
this->blue = std::clamp(blue, 0., 1.);
}

bool color::operator==(color const & other) const noexcept
{
return red == other.red && blue == other.blue && green == other.green;
}

color const & color::operator=(color const & other) noexcept
{
this->blue = other.blue;
this->red = other.red;
this->green = other.green;
return *this;
}
24 changes: 24 additions & 0 deletions exercise/01/color.h
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@@ -0,0 +1,24 @@
#pragma once
#include <wtypes.h>

struct color
{
color() noexcept = default;
color(double const & red, double const & green, double const & blue) noexcept;
color(color const &) noexcept = default;
color(color&&) noexcept = default;
double get_red() const noexcept;
double get_green() const noexcept;
double get_blue() const noexcept;
double get_luminance() const noexcept;
COLORREF get_color_ref() const noexcept;
void set_red(double const & red) noexcept;
void set_green(double const & green) noexcept;
void set_blue(double const & blue) noexcept;
bool operator==(color const&) const noexcept;
color const & operator=(color const &) noexcept;
private:
double red{0};
double green{0};
double blue{0};
};
72 changes: 72 additions & 0 deletions exercise/02/array.cpp
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@@ -1 +1,73 @@
#include "array.h"
#include <algorithm>
#include <stdexcept>
#include <memory>

array::array(const int size, const double element)
{
if (size < 0)
return;
p = new double[size];
n = size;
std::generate_n(p, n, [&element]() {return element; });
}

array::array(array const & other)
{
if (!other.size())
return;
p = new double[other.size()];
n = other.size();
std::copy(other.p, other.p + other.size(), p);
}

array::array(array && other) noexcept :
p(std::exchange(other.p, nullptr)),
n(std::exchange(other.n, 0))
{
}

std::size_t array::size() const noexcept
{
return std::size_t(n);
}

array::~array() noexcept
{
if (!p)
return;

delete[] p;
}

double const & array::at(int i) const
{
if (i < 0 || i > n || size() == 0)
throw std::out_of_range("index out of range");
return p[i];
}

array const & array::operator=(array const & other)
{
if (std::addressof(other) == this)
return *this;

array tmp = other;
*this = std::move(tmp);
return *this;
}

array & array::operator=(array && other) noexcept
{
if (std::addressof(other) == this)
return *this;

if (p)
delete [] p;

p = std::exchange(other.p, nullptr);
n = std::exchange(other.n, 0);
return *this;
}


14 changes: 12 additions & 2 deletions exercise/02/array.h
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@@ -1,7 +1,17 @@
// do not use standard container as member or base class
#include <utility>
class array
{
double* p;
int n;
double* p{nullptr};
int n{0};
public:
array() noexcept = default;
array(const int size, const double element);
array(array const &);
array(array&&) noexcept;
~array() noexcept;
std::size_t size() const noexcept;
double const & at(int i) const;
array const & operator=(array const &);
array& operator=(array && other) noexcept;
};
190 changes: 96 additions & 94 deletions exercise/02/array.vcxproj
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@@ -1,95 +1,97 @@
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