strtorQ
strtorQ(s, sp, FLT_ROUNDS, &result);
strtorQ(s, sp, FLT_ROUNDS, &result);
strtorQ(s, sp, FLT_ROUNDS, &result);
#define __strtopQ(s,se,x) strtorQ(s,se,1,x)
strtorQ(CONST char *s, char **sp, int rounding, void *L)