update

include/amscppperm1/amscppperm1.hpp

@@ -74,8 +74,8 @@ static const int perm_failure = -1;
 int factorial(int n);
 
 //Iteratable Permutation Class
-//Provides an object for iterating over permutations of low dimension
+//Provides an object for iterating over permutations of low order (<=12)
-//These can be stepped along 
+//These can be stepped along in a loop
 class ipermutation
 {
 public:
@@ -172,8 +172,6 @@ class permutation
     int& at(const int ind);
     const int& at(const int ind) const;
     
-    
-
     static permutation first(int length);
     static permutation last(int length);
 
@@ -182,8 +180,11 @@ class permutation
 
     int _intl_calculate_mindex(int *mindex, int *wrk);
     int levi_civita();
+
+    void print(int style);
 };
 
+void test_permutation1();
 
 }; //end namespace perm
 }; //end namespace ams

src/amscppperm1/permutation.cpp

@@ -356,5 +356,32 @@ const int& permutation::at(const int ind) const
     return data[ind];
 }
 
+void permutation::print(int style)
+{
+    int I;
+    if(style==0)
+    {
+        printf("{");
+        for(I=0;I<length-1;I++) printf("%d,",data[I]);
+        printf("%d}",data[length-1]);
+    }
+    else if(style==1)
+    {
+        printf("permutation:{");
+        for(I=0;I<length-1;I++) printf("%d,",data[I]);
+        printf("%d}",data[length-1]);
+    }
+    return;
+}
+
+void test_permutation1()
+{
+    permutation a = permutation(5);
+
+    a.print(1);
+
+    return;
+}
+
 }; //end namespace perm
 }; //end namespace ams

src/main.cpp

@@ -6,6 +6,7 @@ int main(int argc, char* argv[])
     printf("ams c++ permutation library tests.\n");
     //amsperm1_test_basicperm1();
     //ams::perm::test_ipermutation1();
-    ams::perm::test_ipermutation2();
+    //ams::perm::test_ipermutation2();
+    ams::perm::test_permutation1();
     return ret;
 }