◆ next()

Value boost::simd::next ( Value const &  x)

This function object returns the smallest representable value strictly greater than the parameter except:

  • for entries of floating types
    • next(Valmax) is Inf
    • next(-Inf) is Valmin
    • next(Inf) is Inf
    • next(Nan) is Nan
  • for entries of integral type
    • next(Valmax) is Valmin
Header <boost/simd/function/next.hpp>
See also
nextafter, prev, successor, predecessor
Example:
#include <boost/simd/ieee.hpp>
#include <boost/simd/pack.hpp>
#include <iostream>
namespace bs = boost::simd;
using pack_ft = bs::pack <float, 4>;
int main()
{
pack_ft pf = {1.0f, 2.0f, -1.0f, 0.5f};
std::cout
<< "---- simd" << '\n'
<< "<- pf = " << pf << '\n'
<< "-> bs::next(pf) = " << bs::next(pf) << '\n';
float xf = 2.0f;
std::cout
<< "---- scalar" << '\n'
<< "<- xf = " << xf << '\n'
<< "-> bs::next(xf) = " << bs::next(xf) << '\n';
return 0;
}
Possible output:
---- simd
<- pf = (1, 2, -1, 0.5)
-> bs::next(pf) = (1, 2, -1, 0.5)
---- scalar
<- xf = 2
-> bs::next(xf) = 2