E.V.E  0.1-beta

◆ sinc

eve::sinc = {}
inlineconstexpr

Callable object computing the sine cardinal.

Required header: #include <eve/function/sinc.hpp>

Members Functions

Member Effect
operator() the computation of sinc

auto operator()(floating_value auto x) const noexcept;
Definition: value.hpp:83

Parameters

x: floating value.

Return value

Returns the elementwise sine of the input divided by the input.

In particular:

  • If the element is \(\pm0\), \(1\) is returned.
  • If the element is \(\pm\infty\), 0 is returned.
  • If the element is a Nan, NaN is returned.

Supported decorators

Example

See it live on Compiler Explorer

#include <eve/function/sinc.hpp>
#include <eve/wide.hpp>
#include <eve/constant/inf.hpp>
#include <eve/constant/pi.hpp>
#include <iostream>
int main()
{
wide_ft pf = {1.0f, 0.0f, eve::inf(eve::as<float>()), eve::pi(eve::as<float>())};
std::cout << "---- simd" << '\n'
<< "<- pf = " << pf << '\n'
<< "-> sinc(pf) = " << eve::sinc(pf) << '\n';
float xf = 3.0f;
std::cout << "---- scalar" << '\n'
<< "<- xf = " << xf << '\n'
<< "-> sinc(xf) = " << eve::sinc(xf) << '\n';
return 0;
}
constexpr callable_pi_ pi
Callable object computing the value.
Definition: pi.hpp:54
constexpr callable_inf_ inf
Callable object computing the infinity ieee value.
Definition: inf.hpp:54
constexpr callable_sinc_ sinc
Callable object computing the sine cardinal.
Definition: sinc.hpp:69
Lightweight type-wrapper.
Definition: as.hpp:29
Wrapper for SIMD registers.
Definition: wide.hpp:65