round : round « math.h « C Tutorial






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Header filemath.h
Declaratoinfloat roundf(float arg);
double round(double arg);
long double roundl(long double arg);
Returnreturns 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;
  }

3.000000








19.60.round
19.60.1.round