#include
#include
#include
#define MAX_X 32
int main()
{
FILE *pf = NULL;
int i;
double y;
pf = fopen("./data.txt", "w");
if(NULL == pf)
{
return -1;
}
for(i = 0; i <= MAX_X; i++)
{
y = sin(i / 16.0);
fprintf(pf, "y = %f\t(x = %d)\n", y, i);
}
fclose(pf);
pf = NULL;
return 0;
}