Mercurial > projects > ldc

annotate test/sieve.d @ 291:068cb3c60afb trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[svn r312] Changed assert codegen to insert an unreachable terminator after the call to the assert function, which currently calls abort(). Changed array comparison runtime support to pass the array typeinfo instead of the element typeinfo. This allows a cleaner and faster implementation.
author lindquist
date Sat, 21 Jun 2008 21:16:26 +0200
parents d9d5d59873d8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
1 /* Eratosthenes Sieve prime number calculation. */
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
2
270
d9d5d59873d8 [svn r291] Fixed a bunch of the old Phobos tests to work with Tango.
lindquist
parents: 1
diff changeset
3 extern(C) int printf(char*, ...);
d9d5d59873d8 [svn r291] Fixed a bunch of the old Phobos tests to work with Tango.
lindquist
parents: 1
diff changeset
4
1
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
5 bool flags[8191];
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
6
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
7 int main()
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
8 { int i, prime, k, count, iter;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
9
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
10 printf("10 iterations\n");
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
11 for (iter = 1;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
12 iter <= 10;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
13 iter++)
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
14 {
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
15 count = 0;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
16 flags[] = true;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
17 for (i = 0; i < flags.length; i++)
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
18 { if (flags[i])
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
19 {
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
20 prime = i + i + 3;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
21 k = i + prime;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
22 while (k < flags.length)
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
23 {
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
24 flags[k] = false;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
25 k += prime;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
26 }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
27 count += 1;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
28 }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
29 }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
30 }
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
31 printf("%d primes\n", count);
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
32 return 0;
c53b6e3fe49a [svn r5] Initial commit. Most things are very rough.
lindquist
parents:
diff changeset
33 }