diff --git a/onetensor/testDimension.c b/onetensor/testDimension.c
index b14b47e..366304a 100644
--- a/onetensor/testDimension.c
+++ b/onetensor/testDimension.c
@@ -38,7 +38,7 @@ TEST(size){
   D->shape[2]=5;
   D->shape[3]=6;
 
-  updateRankDim(D);
+  updateDim(D);
   EXPECT_EQ(D->size, 180);
 
   free_dimension(D);
@@ -50,7 +50,7 @@ TEST(SplitDim){
   D->shape[2]=5;
   D->shape[3]=6;
   
-  updateRankDim(D);
+  updateDim(D);
   printDebug_dimension(D," D root");  
 
   dimension *d_part1 = NULL,*d_part2=NULL;
@@ -80,7 +80,7 @@ TEST(SplitDim_2){
   D->shape[2]=5;
   D->shape[3]=6;
   
-  updateRankDim(D);
+  updateDim(D);
   printDebug_dimension(D," D root");  
 
   dimension *d_part1 = NULL,*d_part2=NULL;
@@ -122,8 +122,10 @@ TEST(SubDimB){
   EXPECT_EQ(d_tail2->size, 15*26);
 
   free_dimension(D);
-  free(d_tail2);
-  free(d_head2);
+  d_tail2->shape=NULL;
+  d_head2->shape=NULL;
+  free_dimension(d_tail2);
+  free_dimension(d_head2);
 }
 
 TEST(SubDim){
@@ -143,8 +145,12 @@ TEST(SubDim){
   EXPECT_EQ(d_tail2->size, 5*6);
 
   free_dimension(D);
-  free(d_tail2);
-  free(d_head2);
+  d_tail2->shape=NULL;
+  d_head2->shape=NULL;
+  free_dimension(d_tail2);
+  free_dimension(d_head2);
+  //free(d_tail2);
+  //free(d_head2);
 }
 
 TEST(Coord_linear){
@@ -154,7 +160,7 @@ TEST(Coord_linear){
   D->shape[2]=5;
   D->shape[3]=6;
 
-  updateRankDim(D);
+  updateDim(D);
 
   size_t line=255;
   size_t *coord = CoordFromLin(line,D);
@@ -175,7 +181,7 @@ TEST(signedCoord_linear){
   D->shape[2]=5;
   D->shape[3]=6;
 
-  updateRankDim(D);
+  updateDim(D);
 
   long line=-255;
   long *coord = signedCoordFromLin(line,D);
@@ -195,7 +201,7 @@ TEST(signedCoord_linearSuccessif){
   D->shape[1]=3;
   D->shape[2]=2;
 
-  updateRankDim(D);
+  updateDim(D);
 
   for(long line=-4; line < 4; ++line){
     long *coord = signedCoordFromLin(line,D);
@@ -217,7 +223,7 @@ TEST(sprint_dim){
   D->shape[2]=5;
   D->shape[3]=6;
 
-  updateRankDim(D);
+  updateDim(D);
 
   char *dimSTR =NULL;
   size_t nb=sprint_dimension(&dimSTR, D);
@@ -236,7 +242,7 @@ TEST(incrment_dim){
   D->shape[2]=5;
   D->shape[3]=6;
 
-  updateRankDim(D);
+  updateDim(D);
 
   char *dimSTR =NULL;
   size_t nb=sprint_dimension(&dimSTR, D);
diff --git a/onetensor/y_tensor_h.h b/onetensor/y_tensor_h.h
index 23d4157..34282f9 100644
--- a/onetensor/y_tensor_h.h
+++ b/onetensor/y_tensor_h.h
@@ -275,9 +275,11 @@ long diff_timespec_nanoseconds(struct timespec time_stop, struct timespec time_s
 #include "../list_t/list_t.h"
 
 struct dimension{
-  size_t size;
-  size_t *shape;
   size_t rank;
+  size_t *shape;
+  long int *basis;
+  size_t basis_rank;
+  size_t size;
 };
 
 
@@ -324,7 +326,7 @@ void min_dimension(dimension **d, dimension *d0, dimension *d1);
 void printDebug_dimension(dimension *d, char *msg);
 size_t sprint_dimension(char **dimContent, dimension *d);
 
-void updateRankDim(dimension *dim);
+void updateDim(dimension *dim);
 
 size_t LineFromCoord(size_t *coo, dimension *dim);
 size_t* CoordFromLin(size_t line, dimension *dim);
@@ -384,7 +386,9 @@ dimension* init_dim(size_t *t, size_t rnk){\
   dimension *d = malloc(sizeof(dimension));\
   d->rank=rnk;\
   d->shape=t;\
-  updateRankDim(d);\
+  d->basis=NULL;\
+  d->basis_rank=0;\
+  updateDim(d);\
   return d;\
 }\
 \
@@ -392,9 +396,11 @@ dimension* init_copy_dim(size_t *t, size_t rnk){\
   if (rnk==0) return NULL;\
   dimension *d = malloc(sizeof(dimension));\
   d->shape=malloc(rnk * sizeof(size_t));\
+  d->basis=NULL;\
+  d->basis_rank=0;\
   d->rank = rnk;\
   for(size_t i=0; i<rnk; ++i) d->shape[i]=t[i];\
-  updateRankDim(d);\
+  updateDim(d);\
   return d;\
 }\
 dimension *\
@@ -402,6 +408,8 @@ create_dim(size_t rnk){\
   if (rnk==0) return NULL;\
   dimension *d = malloc(sizeof(dimension));\
   d->shape=malloc(rnk * sizeof(size_t));\
+  d->basis=NULL;\
+  d->basis_rank=0;\
   d->rank = rnk;\
   return d;\
 }\
@@ -414,13 +422,14 @@ dimension *\
 create_reverse_dim(size_t rnk){\
   dimension *dim = create_dim(rnk);\
   for(size_t i=0;i<rnk;++i) dim->shape[i]=rnk-1-i;\
-  updateRankDim(dim);\
+  updateDim(dim);\
   return dim;\
 }\
 \
 void free_dimension(dimension *d){\
   if(d){\
-    free(d->shape);\
+    if(d->shape) free(d->shape);\
+    if(d->basis) free(d->basis);\
     free(d);\
   }\
 }\
@@ -437,7 +446,7 @@ bool is_equal_dim(dimension *d0, dimension *d1){\
 dimension* sub_copy_minus_dim_head(dimension *root, size_t minusSubdim){\
   if(minusSubdim < (root->rank)){\
     dimension *d = init_copy_dim(root->shape, (root->rank)-minusSubdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -446,7 +455,7 @@ dimension* sub_copy_minus_dim_head(dimension *root, size_t minusSubdim){\
 dimension* sub_copy_minus_dim_tail(dimension *root, size_t minusSubdim){\
   if(minusSubdim < (root->rank)){\
     dimension *d = init_copy_dim((root->shape)+minusSubdim, (root->rank)-minusSubdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -455,7 +464,7 @@ dimension* sub_copy_minus_dim_tail(dimension *root, size_t minusSubdim){\
 dimension* sub_copy_dim_head(dimension *root, size_t subdim){\
   if(subdim < (root->rank)){\
     dimension *d = init_copy_dim(root->shape, subdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -464,7 +473,7 @@ dimension* sub_copy_dim_head(dimension *root, size_t subdim){\
 dimension* sub_copy_dim_tail(dimension *root, size_t subdim){\
   if(subdim < (root->rank)){\
     dimension *d = init_copy_dim((root->shape)+(root->rank - subdim), subdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -474,7 +483,7 @@ void add_copy_dimension(dimension **d, dimension *d0, dimension *d1) {\
     (*d) = create_dim(d0->rank + d1->rank);\
     for (size_t i = 0; i < d0->rank; i++) (*d)->shape[i] = d0->shape[i];\
     for (size_t i = 0; i < d1->rank; i++) (*d)->shape[d0->rank + i] = d1->shape[i];\
-    updateRankDim(*d);\
+    updateDim(*d);\
 }\
 \
 void min_copy_dimension(dimension **d, dimension *d0, dimension *d1) {\
@@ -485,7 +494,7 @@ void min_copy_dimension(dimension **d, dimension *d0, dimension *d1) {\
             if (d0->shape[i] > d1->shape[i]) (*d)->shape[i] = d1->shape[i];\
             else (*d)->shape[i] = d0->shape[i];\
         }\
-    updateRankDim(*d);\
+    updateDim(*d);\
 }\
 \
 \
@@ -494,7 +503,7 @@ void min_copy_dimension(dimension **d, dimension *d0, dimension *d1) {\
 dimension* sub_minus_dim_head(dimension *root, size_t minusSubdim){\
   if(minusSubdim < (root->rank)){\
     dimension *d = init_dim(root->shape, (root->rank)-minusSubdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -502,7 +511,7 @@ dimension* sub_minus_dim_head(dimension *root, size_t minusSubdim){\
 dimension* sub_minus_dim_tail(dimension *root, size_t minusSubdim){\
   if(minusSubdim < (root->rank)){\
     dimension *d = init_dim((root->shape)+minusSubdim, (root->rank)-minusSubdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -510,7 +519,7 @@ dimension* sub_minus_dim_tail(dimension *root, size_t minusSubdim){\
 dimension* sub_dim_head(dimension *root, size_t subdim){\
   if(subdim < (root->rank)){\
     dimension *d = init_dim(root->shape, subdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -518,7 +527,7 @@ dimension* sub_dim_head(dimension *root, size_t subdim){\
 dimension* sub_dim_tail(dimension *root, size_t subdim){\
   if(subdim < (root->rank)){\
     dimension *d = init_dim((root->shape)+(root->rank - subdim), subdim);\
-    updateRankDim(d);\
+    updateDim(d);\
     return d;\
   }\
   return NULL;\
@@ -533,14 +542,14 @@ void split_dim_part(dimension *root, dimension **part_1, dimension **part_2, siz
     /*printf("rnk_part1 :%ld \n",rnk_part1);*/\
     *part_1 = init_copy_dim(root->shape, root->rank);\
     ((*part_1)->shape[pivotSplit]) -= rangeInPivot;\
-    updateRankDim(*part_1);\
+    updateDim(*part_1);\
     /*if(rnk_nb_minus_part <2)\
       *part_2 = init_copy_dim((root->shape), root->rank-1 );\
     else{*/\
       *part_2 = init_copy_dim((root->shape), root->rank );\
       (*part_2)->shape[pivotSplit] = rangeInPivot ;\
     /*}*/\
-    updateRankDim(*part_2);\
+    updateDim(*part_2);\
   }\
   }\
 }\
@@ -568,7 +577,7 @@ void add_dimension(dimension **d, dimension *d0, dimension *d1) {\
     (*d) = create_dim(d0->rank + d1->rank);\
     for (size_t i = 0; i < d0->rank; i++) (*d)->shape[i] = d0->shape[i];\
     for (size_t i = 0; i < d1->rank; i++) (*d)->shape[d0->rank + i] = d1->shape[i];\
-    updateRankDim(*d);\
+    updateDim(*d);\
 }\
 \
 void min_dimension(dimension **d, dimension *d0, dimension *d1) {\
@@ -584,7 +593,7 @@ void min_dimension(dimension **d, dimension *d0, dimension *d1) {\
             if (d0->shape[i] > d1->shape[i]) (*d)->shape[i] = d1->shape[i];\
         }\
     }\
-    updateRankDim(*d);\
+    updateDim(*d);\
 }\
 \
 void printDebug_dimension(dimension *d,char *msg){\
@@ -650,10 +659,21 @@ size_t sprint_dimension(char **dimContent, dimension *d){\
   return cur;\
 }\
 \
-void updateRankDim(dimension *dim){\
-  dim->size=1;\
-  for(size_t i=0; i<dim->rank; ++i)\
-    dim->size *=dim->shape[i];\
+void updateDim(dimension *dim){\
+  if(dim->basis==NULL){\
+    \
+    dim->basis_rank=dim->rank+1;\
+    dim->basis=malloc(dim->basis_rank *sizeof(long int));\
+  }else if(dim->basis_rank != dim->rank+1){\
+    free(dim->basis);\
+    dim->basis_rank=dim->rank+1;\
+    dim->basis=malloc(dim->basis_rank *sizeof(long int));\
+  }\
+  dim->basis[dim->rank]=1;\
+  for(long int j=dim->rank-1; j>=0; --j){\
+    dim->basis[j] = dim->basis[j+1]*dim->shape[j];\
+  }\
+  dim->size=dim->basis[0];\
 }\
 \
 /* signed  */\
@@ -754,7 +774,7 @@ dimension * create_dim_from_list_shape( list_shape_in_dim *l_p){\
       (dim)->shape[tmp->index]=tmp->shape;\
       tmp=tmp->next;\
     }\
-    updateRankDim(dim);\
+    updateDim(dim);\
     return dim;\
   }\
   return NULL;\
@@ -764,7 +784,7 @@ dimension * create_binary_dim(size_t dimension_rank){\
   dimension * dim = create_dim(dimension_rank);\
   for(size_t i=0; i<dimension_rank; ++i)\
     dim->shape[i]=2;\
-  updateRankDim(dim);\
+  updateDim(dim);\
   return dim;\
 }\
 \
@@ -955,7 +975,7 @@ long int decr(long int i) { return i - 1; }
 #define GEN_FUNC_TENSOR(type)\
   tensor_##type* create_tensor_##type(dimension *dim){\
     tensor_##type *r_tens=malloc(sizeof(tensor_##type));\
-    updateRankDim(dim);\
+    updateDim(dim);\
     r_tens->dim = dim;\
     r_tens->x = malloc(sizeof(type)*dim->size);\
     return r_tens;\
@@ -973,7 +993,7 @@ void _recreate_tensor_if_not_the_same_dim_or_null_##type(tensor_##type **M, dime
   }\
 tensor_##type* init_tensor_head_##type(tensor_##type *troot ,dimension *dim){\
     tensor_##type *r_tens=malloc(sizeof(tensor_##type));\
-    updateRankDim(dim);\
+    updateDim(dim);\
     r_tens->dim = dim;\
     r_tens->x = troot->x;\
     return r_tens;\
@@ -981,7 +1001,7 @@ tensor_##type* init_tensor_head_##type(tensor_##type *troot ,dimension *dim){\
 \
  tensor_##type* init_tensor_tail_##type(tensor_##type *troot ,dimension *dim){\
     tensor_##type *r_tens=malloc(sizeof(tensor_##type));\
-    updateRankDim(dim);\
+    updateDim(dim);\
     r_tens->dim = dim;\
     r_tens->x = troot->x + ((troot->dim)->size - dim->size);\
     return r_tens;\
@@ -990,7 +1010,7 @@ tensor_##type* init_tensor_head_##type(tensor_##type *troot ,dimension *dim){\
 \
 tensor_##type* init_copy_tensor_head_##type(tensor_##type *troot ,dimension *dim){\
     tensor_##type *r_tens=malloc(sizeof(tensor_##type));\
-    updateRankDim(dim);\
+    updateDim(dim);\
     r_tens->dim = dim;\
     /*r_tens->x = troot->x;*/\
     for(size_t i=0; i<dim->size;++i)\
@@ -1000,7 +1020,7 @@ tensor_##type* init_copy_tensor_head_##type(tensor_##type *troot ,dimension *dim
 \
  tensor_##type* init_copy_tensor_tail_##type(tensor_##type *troot ,dimension *dim){\
     tensor_##type *r_tens=malloc(sizeof(tensor_##type));\
-    updateRankDim(dim);\
+    updateDim(dim);\
     r_tens->dim = dim;\
     /*r_tens->x = troot->x + ((troot->dim)->size - dim->size);*/\
     r_tens->x = malloc(sizeof(type)*dim->size);\
@@ -1589,7 +1609,7 @@ void tensorContractnProd_##type(tensor_##type** MM, tensor_##type *M0, tensor_##
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
   /*printDebug_dimension(dd,"dd");*/\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -1667,7 +1687,7 @@ void tensorContractnProdOpt0_##type(tensor_##type** MM, tensor_##type *M0, tenso
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
   /*printDebug_dimension(dd,"dd");*/\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -1899,7 +1919,7 @@ void tensorContractnProdThread_##type(tensor_##type** MM, tensor_##type *M0, ten
     \
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -1996,7 +2016,7 @@ void tensorContractnProdThreadOpt0_##type(tensor_##type** MM, tensor_##type *M0,
     \
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -2104,7 +2124,7 @@ void tensorContractnPro2dThread_##type(tensor_##type** MM, tensor_##type *M0, te
     \
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -2204,7 +2224,7 @@ void tensorContractnPro2dThreadOpt0_##type(tensor_##type** MM, tensor_##type *M0
     \
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -2272,7 +2292,7 @@ void tensorContractnProdNotOpt_##type(tensor_##type** MM, tensor_##type *M0, ten
     dimension *dd;\
     add_dimension(&dd, dSub0, dSub1);\
   /*printDebug_dimension(dd,"dd");*/\
-    updateRankDim(dd);\
+    updateDim(dd);\
     _recreate_tensor_if_not_the_same_dim_or_null_##type(MM,dd);\
     tensor_##type *M= *MM;\
 \
@@ -2462,10 +2482,10 @@ void parseInputOutput_withDim_to_tensors_##type(tensor_##type **Tpart1, tensor_#
     dim2->shape[0] = dim->shape[0];\
     for(size_t i=1;i<dim2->rank;++i) dim2->shape[i] = ddim2->shape[i-1];\
     /*dim2->shape[1] = dim->shape[dim->rank - 1];*/\
-    updateRankDim(dim1);\
-    updateRankDim(ddim1);\
-    updateRankDim(ddim2);\
-    updateRankDim(dim2);\
+    updateDim(dim1);\
+    updateDim(ddim1);\
+    updateDim(ddim2);\
+    updateDim(dim2);\
     *Tpart1 = create_tensor_##type(dim1);\
     *Tpart2 = create_tensor_##type(dim2);\
   \
@@ -2517,8 +2537,8 @@ void parseInputOutput_withDim_to_tensors_##type(tensor_##type **Tpart1, tensor_#
     dimension *ddim2 = create_dim(pivotSplit);\
     for(size_t i=0;i<ddim1->rank;++i) ddim1->shape[i] = dim->shape[i];\
     for(size_t i=0;i<ddim2->rank;++i) ddim2->shape[i] = dim->shape[dim->rank - pivotSplit + i];\
-    updateRankDim(ddim1);\
-    updateRankDim(ddim2);\
+    updateDim(ddim1);\
+    updateDim(ddim2);\
     array_chainlist_##type *l_a1=NULL;\
     array_chainlist_##type *l_a2=NULL;\
     size_t i1=0, /*i=0,j=0, */ i2=0;\
@@ -2671,10 +2691,10 @@ void parse_file_InputOutput_withDim_to_tensors_##type(tensor_##type **Tpart1, te
           for(size_t i=0;i<ddim2->rank;++i) ddim2->shape[i] = dim->shape[ dim->rank - pivotSplit + i];\
           dim2->shape[0] = dim->shape[0];\
           for(size_t i=1;i<dim2->rank;++i) dim2->shape[i] = ddim2->shape[i-1];\
-          updateRankDim(dim1);\
-          updateRankDim(ddim1);\
-          updateRankDim(ddim2);\
-          updateRankDim(dim2);\
+          updateDim(dim1);\
+          updateDim(ddim1);\
+          updateDim(ddim2);\
+          updateDim(dim2);\
           *Tpart1 = create_tensor_##type(dim1);\
           *Tpart2 = create_tensor_##type(dim2);\
             initDim=true;\
@@ -2723,8 +2743,8 @@ void parse_file_InputOutput_withDim_to_tensors_##type(tensor_##type **Tpart1, te
           ddim2 = create_dim(pivotSplit);\
           for(size_t i=0;i<ddim1->rank;++i) ddim1->shape[i] = dim->shape[i];\
           for(size_t i=0;i<ddim2->rank;++i) ddim2->shape[i] = dim->shape[dim->rank - pivotSplit + i];\
-          updateRankDim(ddim1);\
-          updateRankDim(ddim2);\
+          updateDim(ddim1);\
+          updateDim(ddim2);\
           initDim=true;\
         }\
         type x= 0;\
@@ -2782,7 +2802,7 @@ tensor_##type ** fromInput_to_array_tensor_##type(tensor_##type *tens){\
   tensor_##type **re_tens=malloc((tens->dim)->shape[0]*sizeof(tensor_##type *));\
   dimension *dim=create_dim((tens->dim)->rank - 1);\
   for(size_t i=0; i<dim->rank; ++i) dim->shape[i]=(tens->dim)->shape[i+1];\
-  updateRankDim(dim);\
+  updateDim(dim);\
   for(size_t i=0; i < (tens->dim)->shape[0];++i){\
     re_tens[i]=create_tensor_from_cpy_dim_##type(dim);\
     for(size_t j=0; j<dim->size; ++j) (re_tens[i])->x[j] = tens->x[i*(dim->size) + j ] ;\
@@ -2822,7 +2842,7 @@ tensor_##type * create_tensor_from_list_array_##type( array_chainlist_##type *l_
       dim->shape[i]=miss_part_d;\
       \
     }\
-    updateRankDim(dim);\
+    updateDim(dim);\
     tensor_##type *tens= create_tensor_##type(dim);\
     tmp=l_a;\
     while(tmp){\
@@ -2847,7 +2867,7 @@ tensor_##type * transpose_notOpt_tensor_##type(tensor_##type *org){\
   size_t dimrnk = (org->dim)->rank; \
   dimension *dim_tr=create_dim(dimrnk);\
   for(size_t i=0; i<dimrnk; ++i) dim_tr->shape[i]=(org->dim)->shape[(dimrnk-1)-i];\
-  updateRankDim(dim_tr);\
+  updateDim(dim_tr);\
   printDebug_dimension(dim_tr,"dim_tr");\
   tensor_##type *tens_tr = create_tensor_##type(dim_tr);\
   size_t *coord = malloc((dimrnk)*sizeof(size_t));\
@@ -2862,11 +2882,38 @@ tensor_##type * transpose_notOpt_tensor_##type(tensor_##type *org){\
   return tens_tr;\
 }\
 \
+tensor_##type * transpose_Opt0_tensor_##type(tensor_##type *org){\
+  size_t dimrnk = org->rank;\
+  dimension *dim_tr=create_dim(dimrnk);\
+  for(size_t i=0; i<dimrnk; ++i) dim_tr->shape[i]=(org->dim)->shape[(dimrnk-1)-i];\
+  updateDim(dim_tr);\
+  printDebug_dimension(dim_tr,"dim_trOpt");\
+  tensor_##type *tens_tr = CREATE_TENSOR_##type(dim_tr);\
+  long int cur_tr=0, add_tr=0, minus_tr=0;\
+  tens_tr->x[cur_tr] = org->x[cur_tr];\
+  for(size_t i=1; i<dim_tr->size; ++i){\
+    minus_tr =0;\
+    /*printf("DEBUG: cur_tr=%ld\n",cur_tr);*/\
+    for(size_t l=0; l<dimrnk; ++l){      \
+      add_tr = minus_tr + dim_tr->base[l+1];\
+      if(cur_tr + add_tr < dim_tr->base[l]){\
+        cur_tr += add_tr;\
+        /*tens_tr->x[cur_tr] = org->x[i]*/;\
+        tens_tr->x[i] = org->x[cur_tr];\
+        break;\
+      }\
+      minus_tr -= (dim_tr->base[l]-dim_tr->base[l+1]);\
+    }\
+    /*printf("DEBUG: after cur_tr=%ld\n",cur_tr);*/\
+  }\
+  return tens_tr;\
+}\
+\
 tensor_##type * shapeute_notOpt_tensor_##type(tensor_##type *org, dimension *dshape){\
   size_t dimrnk = (org->dim)->rank; \
   dimension *dim_tr=create_dim(dimrnk);\
   for(size_t i=0; i<dimrnk; ++i) dim_tr->shape[i]=(org->dim)->shape[(dimrnk-1)-i];\
-  updateRankDim(dim_tr);\
+  updateDim(dim_tr);\
   printDebug_dimension(dim_tr,"dim_tr");\
   tensor_##type *tens_tr = create_tensor_##type(dim_tr);\
   size_t *coord = malloc((dimrnk)*sizeof(size_t));\