E.V.E
v2023.02.15
 
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◆ trigamma

eve::trigamma = functor<trigamma_t>
inlineconstexpr

Header file

#include <eve/module/special.hpp>

Callable Signatures

namespace eve
{
// Regular overload
constexpr auto trigamma(floating_value auto x) noexcept; // 1
// Lanes masking
constexpr auto trigamma[conditional_expr auto c](floating_value auto x) noexcept; // 2
constexpr auto trigamma[logical_value auto m](floating_value auto x) noexcept; // 2
}
eve::conditional_expr
Specifies that a type is a Conditional Expression.
Definition conditional.hpp:28
eve::floating_value
The concept floating_value<T> is satisfied if and only if T satisfies eve::value and the element type...
Definition value.hpp:116
eve::logical_value
The concept logical_value<T> is satisfied if and only if T satisfies eve::value and the element type ...
Definition value.hpp:134
eve::trigamma
constexpr auto trigamma
elementwise_callable object computing the Trigamma function i.e. the second derivative of the functi...
Definition trigamma.hpp:70
eve::translate_t
typename decltype(detail::as_translated_type(as< T >{}))::type translate_t
Returns the final translated type of T.
Definition translation.hpp:107
eve
EVE Main Namespace.
Definition abi.hpp:19

Parameters

Return value

  1. The value of the Trigamma function: \(\psi(x) = \frac{\Gamma'(x)}{\Gamma(x)}\) is returned.
  2. The operation is performed conditionnaly.

External references

Example