_FP_I_TYPE
_FP_I_TYPE b, bm;
_FP_I_TYPE _up, _down, _skip, _i; \
_FP_I_TYPE _up, _down, _skip, _i; \
_FP_I_TYPE _up, _down, _skip, _i; \
_FP_I_TYPE _up, _down, _skip, _i; \
_FP_I_TYPE _up, _down, _skip, _i; \
_FP_I_TYPE _up, _down, _skip, _i; \
_FP_I_TYPE diff = X##_e - Y##_e; \
_FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \
_FP_I_TYPE _shift; \