scale_pow2_() [2/2]

float fl::detail::scale_pow2_ ( float p, int k )

inline

Definition at line 107 of file math.cpp.hpp.

                                                      {
    const int a = k / 2;
    const int b = k - a;
    FloatBits fa, fb;
    fa.u = static_cast<u32>(a + 127) << 23;
    fb.u = static_cast<u32>(b + 127) << 23;
    return (p * fa.f) * fb.f;
}

References fl::detail::FloatBits::f, fl::FL_NO_EXCEPT, and fl::detail::FloatBits::u.

Referenced by exp_reduced_(), and exp_reduced_().

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