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How to express absolute value in c language

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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.

How to express absolute value in c language

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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