1 files changed, 24 insertions, 1 deletions
diff --git a/src/solvers/mod.rs b/src/solvers/mod.rs
index 9dc210b..0615eab 100755
--- a/src/solvers/mod.rs
+++ b/src/solvers/mod.rs
@@ -1,4 +1,27 @@
 //pub mod incremental_block;
 pub mod intuitive;
 #[cfg(feature = "gpu")]
-pub mod ocl;
+pub mod opencl;
+
+lazy_static! {
+    pub static ref PERMUTATIONS: (Vec<Vec<u32>>, Vec<u64>) = {
+        let n = crate::N;
+        let mut heap = (1..=n).collect::<Vec<u32>>();
+        let heap = permutohedron::Heap::new(&mut heap);
+        let n_f = permutohedron::factorial(n as usize);
+        let mut permutations = Vec::with_capacity(n_f);
+
+        let mut masks: Vec<u64> = vec![0; n_f];
+        println!("Generating permutations");
+        for (j, data) in heap.enumerate() {
+            let mut sum = 0;
+            permutations.push(data.clone());
+            for stone in data.iter().take(n as usize - 1) {
+                sum += stone;
+                masks[j] |= 1 << sum;
+            }
+        }
+        (permutations, masks)
+    };
+}
+