SNG_EXPBITS
exp = (i >> (32 - 1 - SNG_EXPBITS)) & mask(SNG_EXPBITS);
exp = (hi >> (32 - 1 - SNG_EXPBITS)) & mask(SNG_EXPBITS);
exp = (i >> (32 - 1 - SNG_EXPBITS)) & mask(SNG_EXPBITS);
unsigned int sng_exp:SNG_EXPBITS;
unsigned int sng_exp:SNG_EXPBITS;