double-precision floating point [ˈdʌbəl prɪˈsɪʒən ˈflotɪŋ pɔɪnt] 释义 双精度浮点 实用场景例句 全部 Rounds a double - precision floating - point value to the specified number of fractional digits. 将双 精度浮 点值按指定的小数位数舍入. 互联网 Rounds a do...
Double指的是双精度浮点数（Double Precision Floating Point），它使用64位来存储一个数字，其中52位表示该数字的小数部分，而11位则表示指数。使用双精度浮点数的好处在于，它可以存储非常大或非常小的数值，并且可以具有一定的精度。在Matlab中，double是默认数据类型，并且通常比单精度浮点数更加精确。在...
6) double-precision floating macro-order 双倍精度浮点宏指令补充资料:螺纹参数的精度与经济精度的分别 螺纹参数的精度与经济精度的分别 螺纹参数也有其精度与经济精度之分别吗? 零件的参数有精度与经济精度的概念,螺纹作为零件的一种,其参数自然也有精度与经济精度的概念。搞清楚具体螺纹参数的精度与经济精度的分别...
“double precision数据类型”这句话的意思是,double precision是一种数据类型。 在计算机科学中,数据类型是用于定义变量或数据结构中存储的数据的种类。不同的数据类型有不同的存储大小和精度。 “double precision”通常指的是双精度浮点数(double-precision floating-point number)。这是一种用于存储实数的数据类型,具...
Note that while decimals can accurately represent non-repeating decimal fractions, their precision isn't any better than that of floating-point numbers; choosing decimals merely means you get exact representations of numbers that can be represented exactly in a decimal system (just like floats can...
FP64, or double-precision floating point, uses 64 bits to represent a floating point number. It consists of 1 bit for the sign, 11 bits for the exponent, and 52 bits for the mantissa. Representation The FP64 format can be represented as: ...
Double-precision floating-point operationSystems and methods for using single-precision floating-point operation digital signal processing (DSP) blocks in conjunction to perform double-precision floating-point operations.CZAJKOWSKI, Tomasz Sebastian
The term floating point refers to the fact that the radix point can "float"; that is, it can placed anywhere with respect to the significant digits of the number. Double precision floating point, also known as double, is a commonly used format on PCs due to its wider range over single ...
[1]http://en.wikipedia.org/wiki/Double-precision_floating-point_format#cite_note-whyieee-1 [2]深入理解计算机系统,Randal E. Bryant, 机械工业出版社 [3]http://stackoverflow.com/questions/4738768/printing-double-without-losing-precision
Floating-point precision of intermediate values are controlled by the functions _control87, _controlfp, __control87_2. By default,_controlfp'sprecision control is set to 53 bits (_PC_53). Linking with FP10.OBJ changes the default precision control to 64 bits (_PC_64). On the linker co...