#include <stdio.h>
#define mapRange(a1,a2,b1,b2,s) (b1 + (s-a1)*(b2-b1)/(a2-a1))
int main()
{
int i;
puts("Mapping [0,10] to [-1,0] at intervals of 1:");
for(i=0;i<=10;i++)
printf("f(%d) = %g\n",i,mapRange(0,10,-1,0,i));
}
return 0;