ch = 'c';
else
ch = (a <= b) ? 'd' : 'a';
+#if 0
+ switch (ch) {
+ case 'c':
+ fetch(ixold, lowa, a - 1, f1, ' ');
+ fetch(ixold, a, b, f1, '-');
+ fetch(ixnew, c, d, f2, '+');
+ break;
+ case 'd':
+ fetch(ixold, lowa, a - 1, f1, ' ');
+ fetch(ixold, a, b, f1, '-');
+ break;
+ case 'a':
+ fetch(ixnew, lowc, c - 1, f2, ' ');
+ fetch(ixnew, c, d, f2, '+');
+ break;
+ }
+#else
if (ch == 'c' || ch == 'd') {
fetch(ixold, lowa, a - 1, f1, ' ');
fetch(ixold, a, b, f1, '-');
fetch(ixnew, lowc, c - 1, f2, ' ');
if (ch == 'c' || ch == 'a')
fetch(ixnew, c, d, f2, '+');
+#endif
lowa = b + 1;
lowc = d + 1;
}