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0xFEEDC0DE64
2021-01-05 17:08:33 +01:00
parent 9cd9b64c0e
commit 3423f5023f
1 changed files with 69 additions and 12 deletions
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81
esputils.h
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@@ -65,18 +65,6 @@
} // namespace
namespace espcpputils {
template<class T>
constexpr const T& clamp( const T& v, const T& lo, const T& hi )
{
// assert( !(hi < lo) );
return (v < lo) ? lo : (hi < v) ? hi : v;
}
template<typename T>
T mapValue(T x, T in_min, T in_max, T out_min, T out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
template<typename... T>
class Signal
@@ -106,4 +94,73 @@ public:
private:
std::vector<Slot> m_slots;
};
namespace {
template<typename T>
T vmin(T&&t)
{
return std::forward<T>(t);
}
template<typename T0, typename T1, typename... Ts>
typename std::common_type<T0, T1, Ts...>::type vmin(T0&& val1, T1&& val2, Ts&&... vs)
{
if (val1 < val2)
return vmin(val1, std::forward<Ts>(vs)...);
else
return vmin(val2, std::forward<Ts>(vs)...);
}
template<class T>
constexpr const T& clamp( const T& v, const T& lo, const T& hi )
{
// assert( !(hi < lo) );
return (v < lo) ? lo : (hi < v) ? hi : v;
}
template<typename T>
T mapValue(T x, T in_min, T in_max, T out_min, T out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
template <typename... Args>
struct EspNonConstOverload
{
template <typename R, typename T>
constexpr auto operator()(R (T::*ptr)(Args...)) const noexcept -> decltype(ptr)
{ return ptr; }
template <typename R, typename T>
static constexpr auto of(R (T::*ptr)(Args...)) noexcept -> decltype(ptr)
{ return ptr; }
};
template <typename... Args>
struct EspConstOverload
{
template <typename R, typename T>
constexpr auto operator()(R (T::*ptr)(Args...) const) const noexcept -> decltype(ptr)
{ return ptr; }
template <typename R, typename T>
static constexpr auto of(R (T::*ptr)(Args...) const) noexcept -> decltype(ptr)
{ return ptr; }
};
template <typename... Args>
struct EspOverload : EspConstOverload<Args...>, EspNonConstOverload<Args...>
{
using EspConstOverload<Args...>::of;
using EspConstOverload<Args...>::operator();
using EspNonConstOverload<Args...>::of;
using EspNonConstOverload<Args...>::operator();
template <typename R>
constexpr auto operator()(R (*ptr)(Args...)) const noexcept -> decltype(ptr)
{ return ptr; }
template <typename R>
static constexpr auto of(R (*ptr)(Args...)) noexcept -> decltype(ptr)
{ return ptr; }
};
template <typename... Args> constexpr __attribute__((__unused__)) EspOverload<Args...> espOverload = {};
template <typename... Args> constexpr __attribute__((__unused__)) EspConstOverload<Args...> espConstOverload = {};
template <typename... Args> constexpr __attribute__((__unused__)) EspNonConstOverload<Args...> espNonConstOverload = {};
} // namespace
} // namespace espcpputils