math.c

c21Examples.rar

/* Demonstrates some of C's math functions */

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

int main( void )
{

    double x;

    printf("Enter a number: ");
    scanf( "%lf", &x);

    printf("\n\nOriginal value: %lf", x);

    printf("\nCeil: %lf", ceil(x));
    printf("\nFloor: %lf", floor(x));
    if( x >= 0 )
        printf("\nSquare root: %lf", sqrt(x) );
    else
       printf("\nNegative number" );

    printf("\nCosine: %lf\n", cos(x));
    return 0;
}