Update code

include/IsingModel.hpp

@@ -21,7 +21,6 @@
 #include <random>
 #include <unordered_map>
 
-// Faster modulo
 #define INDEX(I, N) (I + N) % N
 
 // Indeces for the neighbor matrix.
@@ -50,7 +49,7 @@ private:
      *  for the left and upper neighbor, and we can use the same column for the
      *  right and lower neighbor.
      * */
-    arma::Mat<uint> neighbors;
+    arma::Mat<int> neighbors;
 
     /** @brief A hash map containing all possible energy changes.
      * */
@@ -62,15 +61,15 @@ private:
 
     /** @brief Size of the lattice.
      * */
-    uint L;
+    int L;
 
     /** @brief The current energy state. unit: \f$ J \f$.
      * */
-    double E;
+    int E;
 
     /** @brief The current magnetic strength. unit: Unitless.
      * */
-    double M;
+    int M;
 
     /** @brief Initialize the lattice with a random distribution of 1s and
      *  -1s.
@@ -103,7 +102,7 @@ public:
      *  @param L The size of the lattice.
      *  @param T The temperature for the system.
      * */
-    IsingModel(uint L, double T);
+    IsingModel(int L, double T);
 
     /** @brief Constructor for the Ising model.
      *
@@ -111,23 +110,23 @@ public:
      *  @param T The temperature for the system.
      *  @param val The value to set for all spins.
      * */
-    IsingModel(uint L, double T, int val);
+    IsingModel(int L, double T, int val);
 
     /** @brief The Metropolis algorithm.
      * */
-    data_t Metropolis(std::mt19937 &engine);
+    data_t Metropolis();
 
     /** @brief Get the current energy.
      *
      *  @return double
      * */
-    double get_E();
+    int get_E();
 
     /** @brief Get the current magnetization.
      *
      *  @return double
      * */
-    double get_M();
+    int get_M();
 };
 
 #endif