Consider SinglePrecision - far more important for gaming graphics, and things turn rather ugly.
考虑单精度-更重要的游戏图形，事情又比较难看。
2
On a 64-bit system, integral types are converted to 64-bit integral types, and singleprecision floating point types are promoted to double precision.
在 64 位系统上，整型被转换成 64 位的整型值，单精度的浮点类型被转换成双精度的浮点类型。
3
Derby provides support for real Numbers in several formats: single-precision floating-point, double-precision floating-point, and an exact representation decimal, as presented in Table 2.