IEEE-754标准，英文版Abstract: This standard specifies interchange and arithmetic formats and methods for binary and decimal floating-point arithmetic in computer programming environments. This standard specifies exception conditions and their default hand
IEEE 754 为便于软件的移植，浮点数的表示格式应该有统一标准（定义）。1985年IEEE（Institute of Electrical and Electronics Engineers）提出了IEEE754标准。该标准规定基数为2，阶码E用移码表示，尾数M用原码表示，根据原码的规格化方法，最高数字位总是1，该标准将这个1缺省存储，使得尾数表示范围比实际存储的多一位
IEEE754 浮点标准 英文 (IEEE Standard 754 for Binary Floating-Point Arithmetic) Prof. W. Kahan Elect. Eng. & Computer Science University of California Berkeley CA 94720-1776
