How to express absolute value in c language

The abs() function is used in C language to represent absolute values. This function supports int, double and float type data and returns the absolute value of the same input data type.

Representation of absolute value in C language

How to express absolute value?

In C language, the abs() function is used directly to represent absolute values.

Function definition

<code class="c">#include <stdlib.h>

int abs(int x);
double abs(double x);
float abs(float x);</code>

Function parameters

• x: To take the absolute value Number (can be of type int, double or float)

Return value

# Absolute value of

##x (same type as
• x)

Example

<code class="c">#include <stdio.h>
#include <stdlib.h>

int main() {
  int x = -5;
  double y = -3.14;
  float z = -2.5f;

  printf("绝对值 %d = %d\n", x, abs(x));
  printf("绝对值 %f = %f\n", y, abs(y));
  printf("绝对值 %f = %f\n", z, abs(z));
  return 0;
}</code>

Output

<code>绝对值 -5 = 5
绝对值 -3.140000 = 3.140000
绝对值 -2.500000 = 2.500000</code>

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