misc.h

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#ifndef MF_UTILITY_MISC_H_
#define MF_UTILITY_MISC_H_

#include <string>
#include <vector>

namespace mf {

bool file_exists(const std::string& filename);

template<typename Numeric>
Numeric sq(Numeric n) { return n * n; }


template<typename T>
T* advance_raw_ptr(T* ptr, std::ptrdiff_t diff) noexcept;

template<typename T>
T clamp(T value, T minimum, T maximum);

template<typename T>
T gcd(T a, T b);

template<typename T>
bool is_power_of_two(T x) {
    return (x != 0) && !(x & (x - 1));
}

template<typename T>
bool is_multiple_of(T x, T base) {
    return (x % base == 0);
}

template<typename T>
bool is_nonzero_multiple_of(T x, T base) {
    return (x != 0) && is_multiple_of(x, base);
}

template<typename T>
bool is_odd(T x) { return (x % 2) != 0; }

template<typename T>
bool is_even(T x) { return (x % 2) == 0; }

}

#include "misc.tcc"

#endif