double significant digits

0)Test instructionsTest instructions is very simple, give a map of the island surrounded by the sea, the island with a vertex (the title data to ensure that the island is a convex polygon-the so-called convex polygons and concave polygonal

Original URL: http://blog.sina.com.cn/s/blog_827d041701017ctm.htmlQuestions raised: 12.0f-11.9f=0.10000038, "Lose The Endless" why?An explanation from MSDN:Http://msdn.microsoft.com/zh-cn/c151dt3s.aspxWhy floating-point numbers may lose precision

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

It's been weird. Why is a decimal added to the predefined data types of C #, and is it enough to have float and double? Come and dig a hole today. Floating-point type Name CTS Type De script ion Significant figures Range

Transferred from: http://www.cnblogs.com/lovewife/articles/2466543.htmlSingle precision refers to a 4-byte floating-point number, which is the floatA double is a 8-byte floating-point number, which is doubleDecimal is a high precisionFloating point

Floating point Type name cts Type description significant Figures range (approximate) float system.single 32-bit single-precision floating point 7

It's always strange why a decimal is added to the pre-defined data type of C #. Isn't float and double enough? I am going to dig it out today. Floating Point Type    Name  CTS Type  De script ion  Significant Figures  Range

[CPP]View Plaincopy #include #include #include Using namespace std; int main () { cout "type: \t\t" "************size**************" cout "bool: \t\t" "occupied bytes:" sizeof (bool); cout "\ t max:" Bool>::max) ();

1. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ￥0.20 (English operating system results: $0.20)The default formatting retains two decimal

[CPP] View Plaincopy #include #include #include Using namespace std; int main () { cout "type: \t\t" "************size**************" cout "bool: \t\t" "occupied bytes:" sizeof (bool); cout "\ t max:" Bool>::max) ();