1 files changed, 6 insertions, 33 deletions

diff --git a/ising.cpp b/ising.cpp
index fffce19..1987a8f 100644
--- a/ising.cpp
+++ b/ising.cpp
@@ -54,17 +54,13 @@ int main(int argc, char* argv[]) {
 
   double pZ = 1.0 - exp(-1.0 / T);
 
-  std::function<double(spin<signed, D, signed>, spin<signed, D, signed>, spin<signed, D, signed>)> Z =
-    [L, pZ] (spin<signed, D, signed> s1, spin<signed, D, signed> s2, spin<signed, D, signed> s1_new) -> double {
+  std::function<double(spin<signed, D, signed>, spin<signed, D, signed>)> Z =
+    [L, pZ] (spin<signed, D, signed> s1, spin<signed, D, signed> s2) -> double {
       bool old_one_one = false;
       bool old_many_ones = false;
       bool old_any_two = false;
-      bool new_one_one = false;
-      bool new_many_ones = false;
-      bool new_any_two = false;
 
       vector<signed, D> old_diff = diff<signed, D>(L, s1.x, s2.x);
-      vector<signed, D> new_diff = diff<signed, D>(L, s1_new.x, s2.x);
       
       for (unsigned i = 0; i < D; i++) {
         if (old_diff(i) == 1 && !old_one_one) {
@@ -74,38 +70,15 @@ int main(int argc, char* argv[]) {
         } else if (old_diff(i) > 1) {
           old_any_two = true;
         }
-        if (new_diff(i) == 1 && !new_one_one) {
-          new_one_one = true;
-        } else if (new_diff(i) == 1 && new_one_one) {
-          new_many_ones = true;
-        } else if (new_diff(i) > 1) {
-          new_any_two = true;
-        }
       }
 
       bool were_on_someone = !old_one_one && !old_any_two;
-      bool are_on_someone = !new_one_one && !new_any_two;
       bool were_nearest_neighbors = old_one_one && !old_many_ones && !old_any_two;
-      bool are_nearest_neighbors = new_one_one && !new_many_ones && !new_any_two;
 
       if (were_on_someone) {
-        return 0.0;
-      } else if (are_on_someone) {
-        return 1.0;
-      } else if (were_nearest_neighbors && are_nearest_neighbors) {
-        return 0.0;
+        return -std::numeric_limits<double>::infinity();;
       } else if (were_nearest_neighbors) {
-        if (s1.s * s2.s == 1) {
-          return pZ;
-        } else {
-          return 0.0;
-        }
-      } else if (are_nearest_neighbors) {
-        if (s1_new.s * s2.s == -1) {
-          return pZ;
-        } else {
-          return 0.0;
-        }
+        return s1.s * s2.s;
       } else {
         return 0.0;
       }
@@ -141,7 +114,7 @@ int main(int argc, char* argv[]) {
       return nn;
     };
 
-  model<signed, D, signed> ising(L, Z, B, neighbors);
+  model<signed, D, signed> ising(L, L, Z, B, neighbors);
 
   randutils::auto_seed_128 seeds;
   std::mt19937 rng{seeds};
@@ -160,7 +133,7 @@ int main(int argc, char* argv[]) {
         ising.s.push_back({{i, j}, -1});
         down++;
       }
-      ising.dict.record<signed>({i, j}, n);
+      ising.dict.record({i, j}, n);
       n++;
     }
   }