Method log1p

samples/common/half.h:1816–1823

Logarithm implementation. \param arg function argument \return function value stored in single-preicision

    /// \param arg function argument
    /// \return function value stored in single-preicision
    static expr log1p(float arg)
    {
#if HALF_ENABLE_CPP11_CMATH
        return expr(std::log1p(arg));
#else
        return expr(static_cast<float>(std::log(1.0 + arg)));
#endif
    }

    /// Binary logarithm implementation.
    /// \param arg function argument