How to use abs function in c++

The abs function in c is used to calculate the absolute value (non-negative value) of an integer or floating point number. Usage: #include ; abs(number); where number is an integer or floating point number whose absolute value is to be calculated. The return result is the same type as number. Negative numbers take the absolute value, zero returns 0, and positive numbers return themselves.

Usage of abs function in c

The abs function in c is used to calculate the absolute value of integer or floating point number value, that is, its non-negative value.

Usage:

#include <cstdlib>

int abs(int number);
double abs(double number);

Parameters:

• number: To calculate the absolute value an integer or floating point number.

Return value: The absolute value of

• number, the type is the same as number.

Example:

// 计算整数的绝对值
int number = -5;
int absolute_value = abs(number); // absolute_value = 5

// 计算浮点数的绝对值
double number = -3.14;
double absolute_value = abs(number); // absolute_value = 3.14

Note:

• For negative numbers, the abs function will return its Absolute value.
• For zero, the abs function returns 0.
• For positive numbers, the abs function returns itself.

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