Кресты – Говнокод

Кресты / Говнокод #29105

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// https://github.com/ggml-org/llama.cpp/blob/f4c3dd5daa3a79f713813cf1aabdc5886071061d/examples/simple/simple.cpp#L23

    // parse command line arguments

    {
        int i = 1;
        for (; i < argc; i++) {
            if (strcmp(argv[i], "-m") == 0) {
                if (i + 1 < argc) {
                    model_path = argv[++i];
                } else {
                    print_usage(argc, argv);
                    return 1;
                }
            } else if (strcmp(argv[i], "-n") == 0) {
                if (i + 1 < argc) {
                    try {
                        n_predict = std::stoi(argv[++i]);
                    } catch (...) {
                        print_usage(argc, argv);
                        return 1;
                    }
                } else {
                    print_usage(argc, argv);
                    return 1;
                }
            } else if (strcmp(argv[i], "-ngl") == 0) {
                if (i + 1 < argc) {
                    try {
                        ngl = std::stoi(argv[++i]);
                    } catch (...) {
                        print_usage(argc, argv);
                        return 1;
                    }
                } else {
                    print_usage(argc, argv);
                    return 1;
                }
            } else {
                // prompt starts here
                break;
            }
        }
        if (model_path.empty()) {
            print_usage(argc, argv);
            return 1;
        }
        if (i < argc) {
            prompt = argv[i++];
            for (; i < argc; i++) {
                prompt += " ";
                prompt += argv[i];
            }
        }
    }

Парсинг аргументов командной строки

j123123, 16.03.2025 (Updated 16.03.2025)

Комментарии (8, +8)

Кресты / Говнокод #29097

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Мда... Какое же всё таки говнецо это Ваше США.

3uMuCTOH, 04.03.2025 (Updated 04.03.2025)

Комментарии (3, +3)

Кресты / Говнокод #29056

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#include <iostream>

union is_odd {
  long long int number;
  bool yes : sizeof(long long int);
};

int main() {
  std::boolalpha(std::cout);
  for (long long int i = -10; i < 10; ++i) {
    std::cout << i << " is odd? "
              << is_odd{ .number = i }.yes
              << "\n";
  }
}

DEMO:
https://godbolt.org/z/5exc84eYK

shittycode43, 15.11.2024 (Updated 15.11.2024)

Комментарии (2, +2)

Кресты / Говнокод #29054

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xxx: Теперь сделайте так, чтобы цифры выводились следующим образом (используя программу из предыдущего задания):
            1
         2 1
      3 2 1
   4 3 2 1
5 4 3 2 1

yyy:

#include <print>

inline constexpr std::size_t kSize = 5;

template <std::size_t N, std::size_t NN>
constexpr auto operator+(const std::array<char, N>& first, const std::array<char, NN>& second) -> std::array<char, N + NN> {
  std::array<char, N + NN> response;  // NOLINT
  std::ranges::copy(first, response.begin());
  std::ranges::copy(second, response.begin() + first.size());
  return response;
};

auto main() -> int {
  []<std::size_t... Is>(std::index_sequence<Is...>) {
    // clang-format off
    ([&]<std::size_t... IIs, std::size_t... IIIs>(std::index_sequence<IIs...>, std::index_sequence<IIIs...>) {
      constexpr std::format_string<decltype(IIs)...> fmt = [] {
        static constexpr auto response = ((std::ignore = IIIs, std::array{' ', ' '}) + ... + ((std::ignore = IIs, std::array{'{', '}', ' '}) + ... + std::array{'\0'}));
        return response.begin();
      }();
      constexpr auto v = Is;
      std::println(fmt, (v - IIs + 1)...);
    }(std::make_index_sequence<Is + 1>(), std::make_index_sequence<kSize - Is - 1>()), ...);
    // clang-format on
  }(std::make_index_sequence<kSize>());
};

Fluttie, 06.11.2024 (Updated 06.11.2024)

Комментарии (1, +1)

Кресты / Говнокод #29035

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Админ - уебок, хранивший пароли открытым текстом

Чекайте свои мыла в утечках, ебланы

aleksusklim, 26.10.2024 (Updated 26.10.2024)

Комментарии (0)

Кресты / Говнокод #29013

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Удалите мой аккаунт

Удалите мой аккаунт

aleksusklim, 25.10.2024 (Updated 25.10.2024)

Комментарии (0)

Кресты / Говнокод #29012

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Удалите мой аккаунт

Удалите мой аккаунт

aleksusklim, 25.10.2024 (Updated 25.10.2024)

Комментарии (2, +2)

Кресты / Говнокод #28999

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template <typename T, typename... Ts>
struct StructureChain : T, StructureChain<Ts...>
{
	StructureChain(const T &t, const Ts&... a) : T(t), StructureChain<Ts...>(a...)
	{
		((T*)this)->pNext = (StructureChain<Ts...>*)this;
	}
};

template <typename T>
struct StructureChain<T> : T
{
	StructureChain(const T &t) : T(t){}
};

// Positional arguments? Im my C++?  It's more likely than you think!
template<typename T>
struct SetterFunc;
template<typename T, typename V>
struct SetterVal
{
	const SetterFunc<T> &func;
	const V &val;
	SetterVal(const SetterFunc<T> &f, const V &v) : func(f), val(v){}
};
template<typename T>
struct SetterFunc
{
	const T &func;
	SetterFunc(const T &data)
		: func(data)
	{}
	template <typename V>
	SetterVal<T,V> operator() (const V &v) {return SetterVal(*this,v);}
	template <typename V>
	SetterVal<T,V> operator= (const V &v) {return SetterVal(*this,v);}
};

template <typename T, typename... Ts>
void FillStructure(T &t, const Ts&... ts)
{
	auto filler = [](T &t, const auto &arg){
		auto T::*ptr = arg.func.func(t);
		t.*ptr = arg.val;
	};
	(filler(t,ts),...);
}
// todo: remove extra unused copy
#define $(k) SetterFunc([](auto a){return &decltype(a)::k;})

template <typename T, typename... Ts>
T $M(T t, const Ts&... ts)
{
	FillStructure(t, ts...);
	return t;
}
// ...
		VkSubresourceLayout layout = {0};
		layout.rowPitch = pitch1;

		StructureChain iinfo{
			$M(VkImageCreateInfo{VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO},
			   $(imageType) = VK_IMAGE_TYPE_2D,
			   $(format) = p010?VK_FORMAT_R16_UNORM:VK_FORMAT_R8_UNORM,
			   $(extent) = VkExtent3D{ WIDTH, HEIGHT, 1 },
			   $(mipLevels) = 1,
			   $(arrayLayers)= 1,
			   $(samples) =VK_SAMPLE_COUNT_1_BIT,
			   $(tiling) = VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT,
			   $(usage) = VK_IMAGE_USAGE_STORAGE_BIT,
			   $(sharingMode) = VK_SHARING_MODE_EXCLUSIVE
			   ),
			$M(VkExternalMemoryImageCreateInfo{VK_STRUCTURE_TYPE_EXTERNAL_MEMORY_IMAGE_CREATE_INFO},
			   $(handleTypes) = VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT
			   ),
			$M(VkImageDrmFormatModifierExplicitCreateInfoEXT{VK_STRUCTURE_TYPE_IMAGE_DRM_FORMAT_MODIFIER_EXPLICIT_CREATE_INFO_EXT},
			   $(drmFormatModifierPlaneCount) = 1,
			   $(drmFormatModifier) =  mod,
			   $(pPlaneLayouts) = &layout
			)
		};
		VK_CHECK_RESULT(vkCreateImage(dev.device, &iinfo, NULL, &texture0.image)); // create image.

Positional arguments? Im my C++? It's more likely than you think!

mittorn, 14.10.2024 (Updated 14.10.2024)

Комментарии (2, +2)

Кресты / Говнокод #28968

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Фестиваль осетинского шляпного сыра объявляется открытым.

doomginho, 04.08.2024 (Updated 04.08.2024)

Комментарии (3, +3)

Кресты / Говнокод #28953

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#define EMPTY(...)
#define DEFER(...) __VA_ARGS__ EMPTY()
#define EXPAND(...) __VA_ARGS__
#define PARENS ()
#define CONCAT_IMPL(L, R) L ## R
#define CONCAT(L, R) CONCAT_IMPL(L, R)
#define EVAL(...) __VA_ARGS__
#define EVAL_1(...) __VA_ARGS__
#define EVAL_1_1(...) __VA_ARGS__
#define EVAL_1_2(...) __VA_ARGS__
#define EVAL_2(...) EVAL_1(EVAL_1(__VA_ARGS__))
#define EVAL_4(...) EVAL_2(EVAL_2(__VA_ARGS__))
#define EVAL_8(...) EVAL_4(EVAL_4(__VA_ARGS__))
#define EVAL_16(...) EVAL_8(EVAL_8(__VA_ARGS__))
#define EVAL_32(...) EVAL_16(EVAL_16(__VA_ARGS__))
#define EVAL_64(...) EVAL_32(EVAL_32(__VA_ARGS__))
#define EVAL_128(...) EVAL_64(EVAL_64(__VA_ARGS__))
#define EVAL_256(...) EVAL_128(EVAL_128(__VA_ARGS__))
#define EVAL_512(...) EVAL_256(EVAL_256(__VA_ARGS__))
#define EVAL_1024(...) EVAL_512(EVAL_512(__VA_ARGS__))
#define FOR_EACH_64(MACRO, ...) EVAL_64(FOR_EACH_IMPL(MACRO, __VA_ARGS__))
#define FOR_EACH_128(MACRO, ...) EVAL_128(FOR_EACH_IMPL(MACRO, __VA_ARGS__))
#define FOR_EACH_256(MACRO, ...) EVAL_256(FOR_EACH_IMPL(MACRO, __VA_ARGS__))
#define FOR_EACH_512(MACRO, ...) EVAL_512(FOR_EACH_IMPL(MACRO, __VA_ARGS__))
#define FOR_EACH_1024(MACRO, ...) EVAL_1024(FOR_EACH_IMPL(MACRO, __VA_ARGS__))
#define FOR_EACH(MACRO, ...) EVAL_1024(FOR_EACH_IMPL(MACRO, __VA_ARGS__))
#define FOR_EACH_NEXT() FOR_EACH_IMPL
#define FOR_EACH_IMPL(MACRO, ARG1, ...) MACRO(ARG1)__VA_OPT__(FOR_EACH_NEXT PARENS (MACRO, __VA_ARGS__))
#define SELECT(FIRST, ...) FIRST
#define SELECT_SECOND(FIRST, ...) __VA_ARGS__
#define DISCARD_1(FIRST, ...) SELECT##__VA_OPT__(_SECOND)(FIRST, __VA_ARGS__)
#define REMOVE_PARENTHESES_IMPL(ARG, _, ...) __VA_OPT__(EVAL) ARG
#define REMOVE_PARENTHESES(ARG) EVAL_1(DEFER(REMOVE_PARENTHESES_IMPL)(ARG, CHECK_PARENTHESES ARG))
#define CHECK_PARENTHESES(...) _, __VA_ARGS__
#define MAKE_HELPER_STRUCT(COUNTER, ...) template<EVAL_1024(MAKE_HELPER_STRUCT_IMPL(COUNTER, __VA_ARGS__))
#define MEMBER_POINTER_CONCAT(_, ...) FOR_EACH_256(MEMBER_POINTER_CONCAT_ONCE, __VA_ARGS__)
#define MEMBER_POINTER_CONCAT_ONCE(ARG) auto EVAL_1_1(DEFER(DISCARD_1)(REMOVE_PARENTHESES(ARG))), EMPTY()
#define MAKE_HELPER_STRUCT_IMPL(COUNTER, ARG1, ...) EVAL_1_2(DEFER(MAKE_HELPER_STRUCT_IMPL_DISPATCH)(COUNTER, ARG1, (__VA_ARGS__), CHECK_PARENTHESES ARG1))
#define MAKE_HELPER_STRUCT_IMPL_DISPATCH(COUNTER, ARG1, ARGS, _, ...) MAKE_HELPER_STRUCT_IMPL_TASK##__VA_OPT__(_EXEC)(COUNTER, CONCAT(ARG1, EVAL ARGS), __VA_ARGS__) __VA_OPT__(MAKE_HELPER_STRUCT_NEXT PARENS (COUNTER, EVAL ARGS))
#define MAKE_HELPER_STRUCT_IMPL_TASK(COUNTER, FUNCTIONS, ...) void *> struct intrusive_function_helper_##COUNTER { FUNCTIONS };
#define MAKE_HELPER_STRUCT_IMPL_TASK_EXEC(_1, _2, ...) MEMBER_POINTER_CONCAT(__VA_ARGS__)
#define MAKE_HELPER_STRUCT_NEXT() MAKE_HELPER_STRUCT_IMPL
#define CLASS_CONCAT(CLASS, ...) EVAL_256(CLASS_CONCAT_IMPL(CLASS, __VA_ARGS__))
#define CLASS_CONCAT_IMPL(CLASS, ARG1, ...) &CLASS::EVAL(DEFER(SELECT)(REMOVE_PARENTHESES(ARG1))), __VA_OPT__(CLASS_CONCAT_NEXT PARENS (CLASS, __VA_ARGS__))
#define CLASS_CONCAT_NEXT() CLASS_CONCAT_IMPL
#define MAKE_TEMPLATE_INST(COUNTER, ...) template struct intrusive_function_helper_##COUNTER<EVAL_1024(MAKE_TEMPLATE_INST_IMPL(__VA_ARGS__)) nullptr>
#define MAKE_TEMPLATE_INST_IMPL(ARG1, ...) EVAL_1_1(DEFER(MAKE_TEMPLATE_INST_IMPL_DISPATCH)((__VA_ARGS__), CHECK_PARENTHESES ARG1))
#define MAKE_TEMPLATE_INST_IMPL_DISPATCH(ARGS, _, ...) MAKE_TEMPLATE_INST_IMPL_TASK##__VA_OPT__(_EXEC)(__VA_ARGS__) __VA_OPT__(MAKE_TEMPLATE_INST_NEXT PARENS ARGS)
#define MAKE_TEMPLATE_INST_IMPL_TASK(...)
#define MAKE_TEMPLATE_INST_IMPL_TASK_EXEC(...) CLASS_CONCAT(__VA_ARGS__)
#define MAKE_TEMPLATE_INST_NEXT() MAKE_TEMPLATE_INST_IMPL
#define DEFINE_INTRUSIVE_FUNCTIONS_IMPL(COUNTER, ...) MAKE_HELPER_STRUCT(COUNTER, __VA_ARGS__) MAKE_TEMPLATE_INST(COUNTER, __VA_ARGS__)
#define DEFINE_INTRUSIVE_FUNCTIONS(...) DEFINE_INTRUSIVE_FUNCTIONS_IMPL(__COUNTER__, __VA_ARGS__);
template<class T> T force_create() { char bytes[sizeof(T)]{}; return *reinterpret_cast<T *>(bytes); }

//=======================================================================================//
#include <iostream>
#include <tuple>

class Person {
private:
  class BankAccount { int money; } bank_account;
  int money;
  std::string name;
  std::string status;
  Person() = delete;
};

DEFINE_INTRUSIVE_FUNCTIONS((Person, name, bank_account, money, status), (Person::BankAccount, (money, bank_money)),
friend Person force_create_person(auto ...args) {
  auto p = force_create<Person>();
  std::tie(p.*name, p.*status, p.*bank_account.*bank_money, p.*money) = std::make_tuple(args...);
  return p;
}
friend void force_print(const Person &p) {
  std::cout << p.*name
            << "\n  status: "     << p.*status
            << "\n  bank_money: " << p.*bank_account.*bank_money
            << "\n  money: "      << p.*money
            << "\n";
}
friend void force_rob(Person &p) {
  p.*status                   = "poor";
  p.*bank_account.*bank_money = std::min(0, p.*bank_account.*bank_money);
  p.*money                    = std::min(0, p.*money);
})

Person force_create_person(auto ...args);
void   force_print(const Person &p);
void   force_rob(Person &p);

int main() {
  auto p = force_create_person("John", "rich", 999999, 4242);
  force_print(p);
  force_rob  (p);
  force_print(p); // John
                             //   status: poor
                             //   bank_money: 0
                             //   money: 0
}

Принудительный доступ к закрытым членам в C++

ShittyCode42, 21.07.2024 (Updated 21.07.2024)

Комментарии (3, +3)