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Ceil() Function | programming

credit: tutorialspoint

Use:

The C library function double ceil(double x) returns the smallest integer value greater than or equal to x.

Declaration:


double ceil( double arg );

Exaple:
#include <stdio.h>
#include <math.h>

int main () {
   float val1, val2, val3, val4;

   val1 = 1.6;
   val2 = 1.2;
   val3 = 2.8;
   val4 = 2.3;

   printf ("value1 = %.1lf\n", ceil(val1));
   printf ("value2 = %.1lf\n", ceil(val2));
   printf ("value3 = %.1lf\n", ceil(val3));
   printf ("value4 = %.1lf\n", ceil(val4));
   
   return(0);
}
Output:
value1 = 2.0
value2 = 2.0
value3 = 3.0
value4 = 3.0

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