sublibc.h

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#pragma once
#include <string.h>
#include <cstddef>
#include <cstdio>
#include <string>
#include <beep8.h>
#include <mt.h>
 
template < typename TYPE, std::size_t SIZE >
std::size_t numof(const TYPE (&)[SIZE]) {
    return SIZE;
}
 
template <class T>
constexpr auto wrap_at(const T& c, std::size_t i) -> const typename T::value_type&
{
  return c[i % c.size()];
}
 
template <class T>
constexpr auto clamp_to_edge(const T& c, std::size_t i) -> const typename T::value_type& {
    if (i >= c.size()) {
        return c.back(); // 最後の要素
    }
    return c[i];
}
 
template <typename T, std::size_t N>
constexpr const T& random_at(const T (&array)[N]) {
    uint32_t random_value = genrand_int32();
    std::size_t index = random_value % N;
    return array[index];
}
 
template <typename T>
constexpr const typename T::value_type& random_at(const T& container, const typename T::value_type& default_value = typename T::value_type{}) {
    if (container.empty()) {
        return default_value;
    }
    uint32_t random_value = genrand_int32();
    std::size_t index = random_value % container.size();
    return container[index];
}
 
#define memsetz(addr_,bytesize_)  memset(addr_,0x00,bytesize_)
 
extern  std::string fs(const char* format, ...);
 
extern  void* mallocz( size_t bytesize_ );
 
extern  void  print_mallinfo();