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xerus
a general purpose tensor library
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xerus
a general purpose tensor library
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Header file for some additional math functions. More...
Go to the source code of this file.
Namespaces | |
| xerus | |
| The main namespace of xerus. | |
| xerus::misc | |
| Collection of classes and functions that provide elementary functionality that is not special to xerus as a tensor library. | |
Functions | |
| template<class T , typename std::enable_if< std::is_floating_point< T >::value, bool >::type = true> | |
| bool | xerus::misc::approx_equal (T _a, T _b, T _eps=4 *std::numeric_limits< T >::epsilon()) noexcept |
| : Checks whether the relative difference between _a and _b (i.e. |a-b|/(|a|/2+|b|/2)) is smaller than _eps. More... | |
| template<class T , typename std::enable_if<!std::is_floating_point< T >::value, bool >::type = true> | |
| bool | xerus::misc::approx_equal (T _a, T _b) |
| : Checks whether _a and _b are equal (for non floating point types). More... | |
| template<class T > | |
| constexpr bool | xerus::misc::hard_equal (const T _a, const T _b) noexcept |
| : Checks for hard equality ( == operator) without compiler warnings. More... | |
| template<class T > | |
| constexpr bool | xerus::misc::hard_not_equal (const T _a, const T _b) noexcept |
| : Checks for hard inequality ( != operator) without compiler warnings. More... | |
| template<class T > | |
| constexpr T | xerus::misc::pow (const T &_base, const uint32 _exp) noexcept |
| : Calculates _base^_exp by binary exponentiation More... | |
| template<class T > | |
| constexpr T | xerus::misc::pow (const T &_base, const uint64 _exp) noexcept |
| : Calculates _base^_exp by binary exponentiation More... | |
| template<class T > | |
| constexpr T | xerus::misc::pow (const T &_base, const int64 _exp) noexcept |
| : Calculates _base^_exp by binary exponentiation More... | |
| template<class T > | |
| constexpr T | xerus::misc::pow (const T &_base, const int32 _exp) noexcept |
| : Calculates _base^_exp by binary exponentiation More... | |
| template<class T > | |
| constexpr int | xerus::misc::sgn (const T _value) noexcept |
| : Calculates the signum (-1, 0, 1) of a given value. More... | |
| template<class T > | |
| constexpr T | xerus::misc::sqr (const T &_a) noexcept |
| : Calculates _a*_a. More... | |
Header file for some additional math functions.
Definition in file math.h.