hypot函數(shù)

C ++ hypot()函數(shù) (C++ hypot() function)

hypot() function is a library function of cmath header, it is used to find the hypotenuse of the given numbers, it accepts two numbers and returns the calculated result of hypotenuse i.e. sqrt(x*x + y*y).

hypot()函數(shù)是cmath標(biāo)頭的庫函數(shù)，用于查找給定數(shù)字的斜邊，接受兩個數(shù)字并返回斜邊的計(jì)算結(jié)果，即sqrt(x * x + y * y) 。

Syntax of hypot() function:

hypot()函數(shù)的語法：

hypot(x, y);

Parameter(s): x, y – numbers to be calculated hypotenuse (or sqrt(x*x + y*y))

參數(shù)： x，y –要計(jì)算的斜邊數(shù)(或sqrt(x * x + y * y) )

Return value: double – it returns double value that is the result of the expression sqrt(x*x + y*y).

返回值： double-它返回double值，該值是表達(dá)式sqrt(x * x + y * y)的結(jié)果 。

Example:

例：

Input:float x = 10.23;float y = 2.3;Function call:hypot(x, y);Output:10.4854

C ++代碼演示hypot()函數(shù)的示例 (C++ code to demonstrate the example of hypot() function)

// C++ code to demonstrate the example of // hypot() function#include <iostream> #include <cmath> using namespace std;// main code section int main() {float x = 10.23;float y = 2.3;// calculate the hypotenuse float result = hypot(x, y);cout<<"hypotenuse of "<<x<<" and "<<y<<" is = "<<result;cout<<endl;//using sqrt() functionresult = sqrt((x*x + y*y));cout<<"hypotenuse of "<<x<<" and "<<y<<" is = "<<result;cout<<endl;return 0; }

Output

輸出量

hypotenuse of 10.23 and 2.3 is = 10.4854 hypotenuse of 10.23 and 2.3 is = 10.4854

翻譯自: https://www.includehelp.com/cpp-tutorial/hypot-function-with-example.aspx

hypot函數(shù)

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