--- a
+++ b/Tests/test_helper_templates.any
@@ -0,0 +1,126 @@
+#include "libdef.any"
+
+Main = 
+{
+     
+   
+   AnyFolder Test_MESHGRID = {
+      AnyVector x_ = {0.0,1,2,3};
+      AnyVector y_ = {10.0, 20.0, 30.0};
+      AnyVector z_ = {100.0, 200.0};
+      
+      AnyFloat meshgrid = MESHGRID(x_,y_,z_); 
+      // Note the dimension is supposed to flip x and y in dimensions. See indexing option for meshgrid in the 
+      // numpy documentation.
+      AnyInt test_meshgrid_dim = expect(eqfun(SizesOf(meshgrid), {3,3,4,2}));
+      
+      AnyInt test_xx = expect(eqfun(flatten(meshgrid[0]), {0, 0, 1, 1, 2, 2, 3, 3, 0, 0, 1, 1, 2, 2, 3, 3, 0, 0, 1, 1, 2, 2, 3, 3} ));
+      AnyInt test_yy = expect(eqfun(flatten(meshgrid[1]), {10, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 20, 20, 20, 30, 30, 30, 30, 30, 30, 30, 30} ));
+      AnyInt test_zz = expect(eqfun(flatten(meshgrid[2]), {100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200, 100, 200} ));
+
+      AnyMatrix meshtripels = MESHTRIPLES(x_,y_,z_);
+      AnyInt test_meshtriples_dim = expect(eqfun(SizesOf(meshtripels), {24,3}));
+      
+      
+ };
+
+  AnyFolder Test_NON_UNIQUE = {
+    AnyIntArray A = {1,1,3,3,5};
+    AnyIntArray B = {1,2,3,3,4};
+    AnyIntArray C = {0,1,1};
+    
+    AnyObjectPtrArray P1 = {&A, &A, &B, &B};
+    AnyObjectPtrArray P2 = {&A, &B, &B, &A};
+    AnyObjectPtrArray P3 = {&A, &B, &B};
+    AnyObjectPtrArray P4 = {&A, &B, &C, &C};
+  
+    // Tests
+    AnyIntArray test_01 = assert(eqfun(NON_UNIQUE_VALUES(A), {1, 3}));
+    AnyInt test_02 = assert(eqfun(NON_UNIQUE_VALUES(B)[0], 3));
+    AnyInt test_03 = assert(eqfun(NON_UNIQUE_VALUES(C), {1}));
+
+    AnyIntArray test_04 = assert(eqfun(NON_UNIQUE_POINTERS(P1), {&A, &B}));
+    AnyIntArray test_05 = assert(eqfun(NON_UNIQUE_POINTERS(P2), {&A, &B}));
+    AnyIntArray test_06 = assert(eqfun(NON_UNIQUE_POINTERS(P3), {&B}));
+    AnyIntArray test_07 = assert(eqfun(NON_UNIQUE_POINTERS(P4), {&C}));
+  };
+  
+  
+  AnyFolder Test_DIFFMAT = {
+    AnyFloat diffmat = DIFFMAT(5);
+    AnyInt test_01 = assert(eqfun(diffmat[1], {0,-1,1,0,0}));
+    AnyInt test_02 = assert(eqfun(diffmat[2], {0,0,-1,1,0})); 
+    AnyInt test_03 = assert(eqfun(SizesOf(diffmat),{4,5}));
+  };
+  
+  AnyFolder Test_PDIST = {
+    AnyFloat Mat = {
+      {0,0,0},
+      {1,1,1},
+      {2,2,2},
+    };
+    AnyFloat length = PDIST(Mat);
+    AnyInt test = assert(eqfun(PDIST(Mat), 2*sqrt(3)));
+  };
+
+  AnyFolder Test_TOTAL_POLYLINE_LENGTH ={
+     AnyFloat P = {
+      {0,0,0},
+      {1,0,0},
+      {1,1,0},
+      {1,1,1}
+     };
+    AnyFloat length = TOTAL_POLYLINE_LENGTH(P);
+    AnyInt test = assert(eqfun(length, 3)); 
+  };
+
+  AnyFolder Test_TRIU_TRIL_TRI = {
+
+   AnyFloat test_TRI = assert(
+                  eqfun(TRI(4),
+                  {{1.0, 0.0, 0.0, 0.0},
+                   {1.0, 1.0, 0.0, 0.0},
+                   {1.0, 1.0, 1.0, 0.0},
+                   {1.0, 1.0, 1.0, 1.0}}
+                  )
+              );
+  
+   AnyFloat M_wide = ones(3,5);
+   AnyFloat M_tall = ones(6,3);
+   AnyInt test_TRIU_wide = assert(
+             eqfun(TRIU(M_wide),
+              {{1.0, 1.0, 1.0, 1.0, 1.0},
+               {0.0, 1.0, 1.0, 1.0, 1.0},
+               {0.0, 0.0, 1.0, 1.0, 1.0}}
+             )
+          );
+   AnyInt test_TRIU_tall = assert(
+             eqfun(TRIU(M_tall),
+              {{1.0, 1.0, 1.0},
+               {0.0, 1.0, 1.0},
+               {0.0, 0.0, 1.0},
+               {0.0, 0.0, 0.0},
+               {0.0, 0.0, 0.0}}
+             )
+          );
+   AnyInt test_TRIL_wide = assert(
+             eqfun(TRIL(M_wide),
+              {{1.0, 0.0, 0.0, 0.0, 0.0},
+               {1.0, 1.0, 0.0, 0.0, 0.0},
+               {1.0, 1.0, 1.0, 0.0, 0.0}}
+             )
+          );
+   AnyInt test_TRIL_tall = assert(
+             eqfun(TRIL(M_tall),
+              {{1.0, 0.0, 0.0},
+               {1.0, 1.0, 0.0},
+               {1.0, 1.0, 1.0},
+               {1.0, 1.0, 1.0},
+               {1.0, 1.0, 1.0}}
+             )
+          );
+  };
+  
+  
+};
+