Initial data commit

Task/Loops-With-multiple-ranges/Vala/loops-with-multiple-ranges.vala

@@ -0,0 +1,46 @@
+const int CHARBIT = 8;
+long prod = 1;
+long sum = 0;
+
+long labs(long n) {
+  long mask = n >> ((long)sizeof(long) * CHARBIT - 1);
+  return ((n + mask) ^ mask);
+}
+
+long lpow(long base_num, long exp)
+{
+  long result = 1;
+  while (true)
+  {
+    if ((exp & 1) != 0) result *= base_num;
+    exp >>= 1;
+    if (exp == 0) break;
+    base_num *= base_num;
+  }
+  return result;
+}
+
+void process(long j) {
+  sum += labs(j);
+  if (labs(prod) < (1 << 27) && j != 0) prod *= j;
+}
+
+void main() {
+  const int x = 5;
+  const int y = -5;
+  const int z = -2;
+  const int one = 1;
+  const int three = 3;
+  const int seven = 11;
+  long p = lpow(11, x);
+
+  for (int j = -three; j <= lpow(3, 3); j += three ) process(j);
+  for (int j = -seven; j <= seven; j += x) process(j);
+  for (int j = 555; j <= 550 - y; ++j) process(j);
+  for (int j = 22; j >= -28; j -= three) process(j);
+  for (int j = 1928; j <= 1939; ++j) process(j);
+  for (int j = x; j >= y; j -= -z) process(j);
+  for (long j = p; j <= p + one; ++j) process(j);
+  stdout.printf("sum  = %10ld\n", sum);
+  stdout.printf("prod = %10ld\n", prod);
+}