C Tutorial/math.h/round

round

Item Value Header file math.h Declaratoin float roundf(float arg);double round(double arg);long double roundl(long double arg); Return returns the value of arg rounded to the nearest integer.

Values precisely between two values, such as 3.5, are rounded up.

#include <math.h>
  #include <stdio.h>
  int main(void)
  {
    printf("%f\n", round (3.2));
    return 0;
  }