}
/* debug powers */
#ifdef DEBUG_LEVELS
for (i = 0; i < NCOEFF; i++)
printf("%d:%3d %c ", i, (int)(result[i]*100), (f1==i || f2==i)?'*':' ');
}
/* debug powers */
#ifdef DEBUG_LEVELS
for (i = 0; i < NCOEFF; i++)
printf("%d:%3d %c ", i, (int)(result[i]*100), (f1==i || f2==i)?'*':' ');