exp2_neg()

u32 fl::detail::gamma_constexpr::exp2_neg ( u32 pos_val )

constexpr

Definition at line 146 of file gamma_lut.h.

                                                 {
    return ((pos_val >> FRAC) + 1) >= 32 ? 0
        : static_cast<u32>(
            exp2_pos(SCALE - (pos_val & (SCALE - 1)))
            >> ((pos_val >> FRAC) + 1)
          );
}

References exp2_pos(), fl::FL_NO_EXCEPT, FRAC, and SCALE.

Referenced by exp2_fp().

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