Function UnpackFloat

src/codec/memcomparable_format.h:286–291

Function of type rdb_index_field_unpack_t Unpack a float by doing the reverse action of Field_float::make_sort_key (sql/field.cc). Note that this only works on IEEE values. Note also that this code assumes that NaN and +/-Infinity are never allowed in the database. */

   allowed in the database.
*/
__attribute__((unused)) static int UnpackFloat(const void *src, void *dst) {
    static float zero_val = 0.0;
    static const uchar zero_pattern[4] = {128, 0, 0, 0};
    return UnpackFloatingPoint(src, sizeof(float), FLT_EXP_DIG, zero_pattern,
                               (const uchar *)&zero_val, SwapFloatBytes, dst);
}

/*
   Function of type rdb_index_field_unpack_t