Directory
1. What is a floating point number?
2. IEEE floating point number
3. Transformation between a real number and a floating point number
4. Special values
4.1. Nan
4.2. Infinite
Http://www.cnblogs.com/kingwolfofsky/archive/2011/07/21/2112299.html
floating point numbers
1. What are floating point numbers
In the process of computer system development, several methods have been proposed to express real numbers. Typically, for
This article reprinted address : http://www.cnblogs.com/zuoxiaolong/p/computer11.html2.6 We have a binary integer operation of the last battle, this LZ will join you into the floating point of the world, there is no unsigned, no complement, but
1.A few days ago, I was reading a C language textbook, and I had an example:# Include Void main (void ){Int num = 9;/* num is an integer variable, set to 9 */Float * pFloat = & num;/* pFloat indicates the memory address of num, but it is set to a
Directory
Code Restoration Technology
I. Introduction code Restoration
Ii. Data Type representation in code Restoration
1. Integer type
2. unsigned integer
3. signed integer
4. Floating Point Data Type
5.
Both int and float are 4-byte, 32-bit representations. Why is the range of float greater than int?Float precision is 6~7 bit. 1.66*10^10 's numerical results are not 166 0000 0000, the larger the error.These problems are caused by the way
Storage Method of floating point and floating point in memory, floating point
First, let's talk about how to convert decimal places to binary decimal places. The computer doesn't even know the decimal data. He only knows 0 and 1. So, decimal decimal
Although almost every processor andProgramming LanguageAll support floating point operations, but mostProgramStaff seldom pay attention to it. This is easy to understand-most of us seldom need non-integer types. In addition to scientific computing
Although almost every processor and programming language supports floating point operations, most programmers seldom pay attention to it. This is easy to understand-most of us seldom need non-integer types. In addition to scientific computing and
First, let's look at a piece of code (in VC, in C ++ ):
int a = 2; int b = 3; int c = 6; if(1.0 / a + 1.0 / 3 + 1.0 / c >= 1.0) cout
Is yes output or no output?Answer:In the console, after several seconds, no is output.The problem arises.
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