maths: reduce template verbosity
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@ -117,9 +117,11 @@ digits (const uint32_t &v) {
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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template <typename T>
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template <typename T>
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T
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std::enable_if_t<
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std::is_integral<T>::value, T
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>
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round_pow2 (T value) {
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round_pow2 (T value) {
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typedef typename std::enable_if<std::is_integral<T>::value, T>::type return_type;
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using return_type = std::enable_if_t<std::is_integral<T>::value, T>;
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--value;
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--value;
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34
maths.hpp
34
maths.hpp
@ -112,15 +112,23 @@ round_to (T value, U size)
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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template <typename T>
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template <typename T>
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T
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std::enable_if_t<
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std::is_integral<T>::value, T
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>
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round_pow2 (T value);
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round_pow2 (T value);
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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template <typename T, typename U>
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template <typename T, typename U>
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constexpr T
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constexpr std::enable_if_t<
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std::is_integral<T>::value &&
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std::is_integral<U>::value,
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T
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>
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divup (const T a, const U b)
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divup (const T a, const U b)
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{ return (a + b - 1) / b; }
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{
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return (a + b - 1) / b;
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}
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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@ -364,11 +372,11 @@ namespace util {
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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template <typename T, typename U, typename ...Args>
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template <typename T, typename U, typename ...Args>
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constexpr typename std::enable_if<
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constexpr std::enable_if_t<
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std::is_unsigned<typename std::decay<T>::type>::value == std::is_unsigned<typename std::decay<U>::type>::value &&
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std::is_unsigned<std::decay_t<T>>::value == std::is_unsigned<std::decay_t<U>>::value &&
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std::is_integral<typename std::decay<T>::type>::value == std::is_integral<typename std::decay<U>::type>::value,
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std::is_integral<std::decay_t<T>>::value == std::is_integral<std::decay_t<U>>::value,
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typename std::common_type<T,U>::type
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std::common_type_t<T,U>
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>::type
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>
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min (const T a, const U b, Args ...args)
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min (const T a, const U b, Args ...args)
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{
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{
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return min (a < b ? a : b, std::forward<Args> (args)...);
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return min (a < b ? a : b, std::forward<Args> (args)...);
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@ -385,11 +393,11 @@ namespace util {
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//-------------------------------------------------------------------------
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//-------------------------------------------------------------------------
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template <typename T, typename U, typename ...Args>
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template <typename T, typename U, typename ...Args>
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constexpr typename std::enable_if<
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constexpr std::enable_if_t<
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std::is_unsigned<typename std::decay<T>::type>::value == std::is_unsigned<typename std::decay<U>::type>::value &&
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std::is_unsigned<std::decay_t<T>>::value == std::is_unsigned<std::decay_t<U>>::value &&
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std::is_integral<typename std::decay<T>::type>::value == std::is_integral<typename std::decay<U>::type>::value,
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std::is_integral<std::decay_t<T>>::value == std::is_integral<std::decay_t<U>>::value,
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typename std::common_type<T,U>::type
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std::common_type_t<T,U>
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>::type
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>
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max (const T a, const U b, Args ...args)
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max (const T a, const U b, Args ...args)
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{
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{
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return max (a > b ? a : b, std::forward<Args> (args)...);
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return max (a > b ? a : b, std::forward<Args> (args)...);
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