YOU SAID:

if you use double you don't get a lot of precision

INTO JAPANESE

double を使用すると、精度はあまり向上しません

BACK INTO ENGLISH

using a double does not improve accuracy much

INTO JAPANESE

倍精度を使用しても精度はあまり向上しません

BACK INTO ENGLISH

Using double precision does not improve accuracy much

INTO JAPANESE

倍精度を使用しても精度はあまり向上しません

BACK INTO ENGLISH

Using double precision does not improve accuracy much