On a 64-bit system, integral types are converted to 64-bit integral types, and single precision 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。
2
I have to admit, when I came across the news I'm about to share with you I did a double take and then I squirmed a bit.
我不得不承认，即将与你分享的这则新闻，我无意中发现之后，读到第二遍才看明白了，之后心理一阵别扭。
3
These are based on the IEEE 754 standard, which defines a binary standard for 32-bit floating point and 64-bitdouble precision floating point binary-decimal Numbers.