RFloat            402 gc.c           	struct RFloat  flonum;
RFloat            539 internal.h     #define RFLOAT(obj)  (R_CAST(RFloat)(obj))
RFloat           1142 internal.h         return ((struct RFloat *)v)->float_value;
RFloat            746 numeric.c          NEWOBJ_OF(flt, struct RFloat, rb_cFloat, T_FLOAT | (RGENGC_WB_PROTECTED_FLOAT ? FL_WB_PROTECTED : 0));