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#ifndef LLMR_UTIL_VEC
#define LLMR_UTIL_VEC
#include <limits>
#include <type_traits>
#include <cmath>
namespace llmr {
template <typename T = double>
struct vec2 {
struct null {};
T x, y;
inline vec2() {}
inline vec2(null) : x(std::numeric_limits<T>::quiet_NaN()), y(std::numeric_limits<T>::quiet_NaN()) {}
inline vec2(const vec2& o) : x(o.x), y(o.y) {}
inline vec2(T x, T y) : x(x), y(y) {}
inline bool operator==(const vec2& rhs) const {
return x == rhs.x && y == rhs.y;
}
template<typename U = T, typename std::enable_if<std::numeric_limits<U>::has_quiet_NaN, int>::type = 0>
inline operator bool() const {
return !isnan(x) && !isnan(y);
}
};
template <typename T = double>
struct vec3 {
T x, y, z;
inline vec3() {}
inline vec3(const vec3& o) : x(o.x), y(o.y), z(o.z) {}
inline vec3(T x, T y, T z) : x(x), y(y), z(z) {}
inline bool operator==(const vec3& rhs) const {
return x == rhs.x && y == rhs.y && z == rhs.z;
}
};
template <typename T = double>
struct vec4 {
T x, y, z, w;
inline vec4() {}
inline vec4(const vec4& o) : x(o.x), y(o.y), z(o.z), w(o.w) {}
inline vec4(T x, T y, T z, T w) : x(x), y(y), z(z), w(w) {}
inline bool operator==(const vec4& rhs) const {
return x == rhs.x && y == rhs.y && z == rhs.z && w == rhs.w;
}
};
struct box {
vec2<double> tl, tr, bl, br;
};
}
#endif
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