E.V.E
v2022.03.00

◆ erf_inv

eve::erf_inv = {}
inlineconstexpr

Computes the inverse of the error function.

Defined in header

#include <eve/module/special.hpp>

Callable Signatures

namespace eve
{
template< eve::floating_real_value T >
T erf_inv(T x) noexcept;
}
constexpr callable_erf_inv_ erf_inv
Computes the inverse of the error function.
Definition: erf_inv.hpp:50
Definition: all_of.hpp:22

Parameters

Return value

The value y such that erf(y)==x is returned. For x outside of \([-1,1]\), the result is NaN.

Example

#include <eve/module/special.hpp>
#include <eve/wide.hpp>
#include <iostream>
int main()
{
wide_ft pf = { 0.0f, 1.0f, -1.0f, -0.5f};
std::cout
<< "---- simd" << '\n'
<< "<- pf = " << pf << '\n'
<< "-> eve::erf_inv(pf) = " << eve::erf_inv(pf) << '\n'
;
float xf = 1.0f;
float yf = 2.0f;
std::cout
<< "---- scalar" << '\n'
<< "<- xf = " << xf << '\n'
<< "-> eve::erf_inv(xf) = " << eve::erf_inv(xf) << '\n'
<< "<- yf = " << yf << '\n'
<< "-> eve::erf_inv(yf) = " << eve::erf_inv(yf) << '\n';
return 0;
}
Wrapper for SIMD registers.
Definition: wide.hpp:65