1 /**

     2  *     $Id: floating.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $

     3  * $Source: /development/c/demos/floating.c,v $

     4  *

     5  */

     6 

     7 #include <stdio.h>

     8 #include <stdlib.h>

     9 #include <math.h>

    10 

    11 double *getValues (int elements)

    12 {

    13     double *values;

    14     int i;

    15 

    16     if ((values = calloc (elements + 1, sizeof (double))) == NULL)

    17         return NULL;

    18     for (i = elements; i >= 0; i--)

    19         values[i] = cos (i);

    20     return values;

    21 }

    22 

    23 #define MAX 40

    24 

    25 int main (int argc, char **argv)

    26 {

    27     double *values = getValues (MAX);

    28     int i;

    29 

    30     for (i = 0; i < MAX; i++) {

    31         if (fabs (cos (i) - values[i]) < 0.001)

    32             printf ("COS(%d) = %3.2g = %3.2g\n", i, values[i], cos (i));

    33     }

    34 

    35     if (values != NULL)

    36         free (values);

    37     return EXIT_SUCCESS;

    38 }