diff --git a/org/qmckl_blas.org b/org/qmckl_blas.org
index ee878fe..b0a70fc 100644
--- a/org/qmckl_blas.org
+++ b/org/qmckl_blas.org
@@ -52,7 +52,10 @@
 #include "config.h"
 #endif
 
+#include "qmckl_memory_private_type.h"
 #include "qmckl_blas_private_type.h"
+
+#include "qmckl_memory_private_func.h"
 #include "qmckl_blas_private_func.h"
 
 int main() {
@@ -406,6 +409,7 @@ qmckl_tensor_of_vector(const qmckl_vector vector,
   }
   assert (prod_size == vector.size);
 
+  result.order = order;
   result.data = vector.data;
 
   return result;
@@ -604,7 +608,7 @@ qmckl_tensor
 qmckl_tensor_set(qmckl_tensor tensor, double value)
 {
   qmckl_vector vector = qmckl_vector_of_tensor(tensor);
-  for (int32_t i=0 ; i<vector.size ; ++i) {
+  for (int64_t i=0 ; i<vector.size ; ++i) {
     qmckl_vec(vector, i) = value;
   }
   return qmckl_tensor_of_vector(vector, tensor.order, tensor.size);
@@ -788,6 +792,74 @@ qmckl_tensor_of_double(const qmckl_context context,
 }
     #+end_src
 
+** Allocate and copy to ~double*~
+
+    #+begin_src c :comments org :tangle (eval h_private_func)
+double* qmckl_alloc_double_of_vector(const qmckl_context context,
+                                     const qmckl_vector vector);
+    #+end_src
+
+    #+begin_src c :comments org :tangle (eval c) :exports none
+double* qmckl_alloc_double_of_vector(const qmckl_context context,
+                                     const qmckl_vector vector)
+{
+  /* Always true by construction */
+  assert (qmckl_context_check(context) != QMCKL_NULL_CONTEXT);
+  assert (vector.size > (int64_t) 0);
+
+  qmckl_memory_info_struct mem_info = qmckl_memory_info_struct_zero;
+  mem_info.size = vector.size * sizeof(double);
+
+  double* target = (double*) qmckl_malloc(context, mem_info);
+  if (target == NULL) {
+     return NULL;
+  }
+  
+  qmckl_exit_code rc;
+  rc = qmckl_double_of_vector(context, vector, target, vector.size);
+  assert (rc == QMCKL_SUCCESS);
+  if (rc != QMCKL_SUCCESS) {
+    rc = qmckl_free(context, target);
+    target = NULL;
+  }
+
+  return target;
+}
+    #+end_src
+
+
+    #+begin_src c :comments org :tangle (eval h_private_func)
+double* qmckl_alloc_double_of_matrix(const qmckl_context context,
+                                     const qmckl_matrix matrix);
+    #+end_src
+
+
+    #+begin_src c :comments org :tangle (eval c) :exports none
+double* qmckl_alloc_double_of_matrix(const qmckl_context context,
+                               const qmckl_matrix matrix)
+{
+  qmckl_vector vector = qmckl_vector_of_matrix(matrix);
+  return qmckl_alloc_double_of_vector(context, vector);
+}
+    #+end_src
+
+
+    #+begin_src c :comments org :tangle (eval h_private_func)
+double* qmckl_alloc_double_of_tensor(const qmckl_context context,
+                                     const qmckl_tensor tensor);
+    #+end_src
+
+    #+begin_src c :comments org :tangle (eval c) :exports none
+double* qmckl_alloc_double_of_tensor(const qmckl_context context,
+                                     const qmckl_tensor tensor)
+{
+  qmckl_vector vector = qmckl_vector_of_tensor(tensor);
+  return qmckl_alloc_double_of_vector(context, vector);
+}
+    #+end_src
+
+
+    
 ** Tests                                                           :noexport:
 
     #+begin_src c :comments link :tangle (eval c_test) :exports none
@@ -803,6 +875,8 @@ qmckl_tensor_of_double(const qmckl_context context,
   for (int64_t i=0 ; i<p ; ++i)
     assert( vec.data[i] == (double) i );
 
+  printf("qmckl_vector ok\n");
+
   qmckl_matrix mat = qmckl_matrix_of_vector(vec, m, n);
   assert (mat.size[0] == m);
   assert (mat.size[1] == n);
@@ -812,13 +886,28 @@ qmckl_tensor_of_double(const qmckl_context context,
     for (int64_t i=0 ; i<m ; ++i)
       assert ( qmckl_mat(mat, i, j) == qmckl_vec(vec, i+j*m)) ;
 
+  printf("qmckl_matrix_of_vector ok\n");
+
   qmckl_vector vec2 = qmckl_vector_of_matrix(mat);
   assert (vec2.size == p);
   assert (vec2.data == vec.data);
   for (int64_t i=0 ; i<p ; ++i)
       assert ( qmckl_vec(vec2, i) == qmckl_vec(vec, i) ) ;
 
+  printf("qmckl_vector_of_matrix ok\n");
+
+  double* dbl = qmckl_alloc_double_of_matrix(context, mat);
+  for (int64_t i=0 ; i<p ; ++i)
+      assert ( dbl[i] == qmckl_vec(vec, i) ) ;
+
+  printf("qmckl_double_of_matrix ok\n");
+
+  qmckl_exit_code rc = qmckl_free(context, dbl);
+  assert (rc == QMCKL_SUCCESS);
+  printf("qmckl_free ok\n");
+
   qmckl_vector_free(context, &vec);
+  printf("qmckl_vector_free ok\n");
 
 }
     #+end_src
@@ -980,9 +1069,9 @@ integer function qmckl_dgemm_f(context, TransA, TransB, &
        A1, int(LDA1,8), B1, int(LDB1,8), C1, int(LDC1,8))
 
   do j=1,n
-  do i=1,m
-     C(i,j) = alpha*C1(j,i) + beta*C(i,j)
-  end do
+     do i=1,m
+transpose         C(i,j) = alpha*C1(j,i) + beta*C(i,j)
+     end do
   end do
 
   deallocate(A1,B1,C1)
@@ -1105,7 +1194,8 @@ integer(qmckl_exit_code) function test_qmckl_dgemm(context) bind(C)
      end do
   end do
 
-  test_qmckl_dgemm = qmckl_dgemm(context, TransA, TransB, m, n, k, alpha, A, LDA, B, LDB, beta, C, LDC)
+  test_qmckl_dgemm = qmckl_dgemm(context, TransA, TransB, m, n, k, &
+       alpha, A, LDA, B, LDB, beta, C, LDC)
 
   if (test_qmckl_dgemm /= QMCKL_SUCCESS) return
 
@@ -1133,6 +1223,7 @@ end function test_qmckl_dgemm
     #+begin_src c :comments link :tangle (eval c_test) :exports none
 qmckl_exit_code test_qmckl_dgemm(qmckl_context context);
 assert(QMCKL_SUCCESS == test_qmckl_dgemm(context));
+printf("qmckl_dgemm ok\n");
     #+end_src
 
 ** ~qmckl_dgemm_safe~
@@ -1586,28 +1677,32 @@ print(C.T)
                    58., 136., 214.,
                    59., 141., 223. };
 
-  double cnew[15];
-
   qmckl_exit_code rc;
   qmckl_matrix A = qmckl_matrix_alloc(context, 3, 4);
   rc = qmckl_matrix_of_double(context, a, 12, &A);
   assert(rc == QMCKL_SUCCESS);
+  printf("A ok\n");
 
   qmckl_matrix B = qmckl_matrix_alloc(context, 4, 5);
   rc = qmckl_matrix_of_double(context, b, 20, &B);
   assert(rc == QMCKL_SUCCESS);
+  printf("B ok\n");
 
   qmckl_matrix C = qmckl_matrix_alloc(context, 3, 5);
   rc = qmckl_matmul(context, 'N', 'N', 0.5, A, B, 0., &C);
+  printf("C ok\n");
   assert(rc == QMCKL_SUCCESS);
 
-  rc = qmckl_double_of_matrix(context, C, cnew, 15);
+  double cnew[15];
+  rc = qmckl_double_of_matrix(context, C, &(cnew[0]), 15);
   assert(rc == QMCKL_SUCCESS);
+  printf("cnew ok\n");
 
   for (int i=0 ; i<15 ; ++i) {
     printf("%f %f\n", cnew[i], c[i]);
     assert (c[i] == cnew[i]);
   }
+  printf("qmckl_matmul ok\n");
 }
     #+end_src
 ** ~qmckl_adjugate~
@@ -2491,6 +2586,7 @@ end function test_qmckl_adjugate
     #+begin_src c :comments link :tangle (eval c_test)
 qmckl_exit_code test_qmckl_adjugate(qmckl_context context);
 assert(QMCKL_SUCCESS == test_qmckl_adjugate(context));
+printf("qmckl_adjugate ok\n");
     #+end_src
 
 ** ~qmckl_adjugate_safe~
@@ -2724,6 +2820,7 @@ qmckl_transpose (qmckl_context context,
     for (int i=0 ; i<2 ; ++i)
       assert (qmckl_mat(A, i, j) == qmckl_mat(At, j, i));
 
+printf("qmckl_transpose ok\n");
   qmckl_matrix_free(context, &A);
   qmckl_matrix_free(context, &At);
 }