E.V.E
v2022.09.01

◆ real

eve::real = {}
inlineconstexpr

Callable object computing real part of values.

Required header: #include <eve/module/complex.hpp>

Members Functions

Member Effect
operator() the computation of real part

auto operator()(value auto x) const noexcept;
Definition: value.hpp:31

Parameters

x: value.

Return value 0 if x is real or the real part of x if x is an instance of eve::complex.

Example

#include <eve/module/complex.hpp>
#include <eve/wide.hpp>
#include <iostream>
using z_t = eve::as_complex_t<wide_ft>;
int main()
{
wide_ft ref = { 0.0f, 1.0f, -1.0f, eve::pi(eve::as(1.0f))};
wide_ft imf = { eve::pi(eve::as(1.0f)), 0.0f, 1.0f, -1.0f};
z_t z{ref, imf};
std::cout
<< "---- simd" << '\n'
<< "<- z = " << z << '\n'
<< "-> real(z) = " << eve::real(z) << '\n';
auto scz = eve::as_complex_t<float>(1, 2);
std::cout
<< "---- scalar" << '\n'
<< "<- scz = " << scz << '\n'
<< "-> real(scz) = " << eve::real(scz) << '\n';
return 0;
}
constexpr callable_real_ real
Callable object computing real part of values.
Definition: real.hpp:52
constexpr callable_pi_ pi
Callable object computing the constant .
Definition: pi.hpp:49
Lightweight type-wrapper.
Definition: as.hpp:29
Wrapper for SIMD registers.
Definition: wide.hpp:65