diff --git a/onetensor/tesTensor.c b/onetensor/tesTensor.c
index f1cb74d..449a095 100644
--- a/onetensor/tesTensor.c
+++ b/onetensor/tesTensor.c
@@ -60,7 +60,7 @@ void print_tensor_float(tensor_TYPE_FLOAT *M, char *msg){
   }
   LOG("================= %s ===============\n",msg);
 
-  /*for(size_t i=0; i<M->dim->size;++i)
+  /*for(long i=0; i<M->dim->size;++i)
       LOG("[%ld]: %f ",i,M->x[i]);
   */
   print_tensor_msg_TYPE_FLOAT(M,msg);
@@ -72,7 +72,7 @@ void print_tensor_double(tensor_TYPE_DOUBLE *M, char *msg){
   LOG("================= %s ===============\n",msg);
 #if VALGRIND_
   /*
-  for(size_t i=0; i<M->dim->size;++i)
+  for(long i=0; i<M->dim->size;++i)
       LOG("[%ld]: %lf ",i,M->x[i]);
   */
   print_tensor_msg_TYPE_DOUBLE(M,msg);
@@ -94,10 +94,10 @@ TEST(tensorMinusSubhead_ ){
   tensor_TYPE_FLOAT *M0 = create_tensor_TYPE_FLOAT(d0);
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
   //littleEndian=false;
-  size_t rnkId = 1;
+  long rnkId = 1;
   tensor_TYPE_FLOAT *s2h = sub_copy_minus_tensor_head_TYPE_FLOAT(M0,1,rnkId);
 
   print_tensor_float(M0, "M0 for sub");
@@ -107,10 +107,10 @@ TEST(tensorMinusSubhead_ ){
   printDebug_dimension(s2h->dim," s2h dimension  ");
  //EXPECT_ARRAY_EQ_TYPE_FLOAT(M0->x,s2h->dim->size,s2h->x,s2h->dim->size);
  
-  for(size_t i1=0; i1<d0->shape[1];++i1){
-    for(size_t i0=0; i0<d0->shape[0];++i0){
-      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((size_t[]){i0,i1,rnkId},M0->dim),rnkId,i0,i1,LineFromCoord((size_t[]){i0,i1},s2h->dim),i0,i1);
-      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((size_t[]){i0,i1,rnkId},M0->dim)],s2h->x[LineFromCoord((size_t[]){i0,i1},s2h->dim)]);
+  for(long i1=0; i1<d0->shape[1];++i1){
+    for(long  i0=0; i0<d0->shape[0];++i0){
+      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((long[]){i0,i1,rnkId},M0->dim),rnkId,i0,i1,LineFromCoord((long[]){i0,i1},s2h->dim),i0,i1);
+      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((long[]){i0,i1,rnkId},M0->dim)],s2h->x[LineFromCoord((long[]){i0,i1},s2h->dim)]);
     }  
   }
 
@@ -132,7 +132,7 @@ TEST(tensorMinusSubtail ){
   tensor_TYPE_FLOAT *M0 = create_tensor_TYPE_FLOAT(d0);
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
   tensor_TYPE_FLOAT *s1t = sub_copy_minus_tensor_tail_TYPE_FLOAT(M0,1,5);
 
@@ -158,10 +158,10 @@ TEST(tensorMinusSubtail ){
   tensor_TYPE_FLOAT *M0 = create_tensor_TYPE_FLOAT(d0);
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
   //littleEndian=false;
-  size_t rnkId=3;
+  long rnkId=3;
   tensor_TYPE_FLOAT *s2t = sub_copy_minus_tensor_tail_TYPE_FLOAT(M0,1,rnkId);
 
 
@@ -169,10 +169,10 @@ TEST(tensorMinusSubtail ){
   print_tensor_float(M0, "M0 for sub");
   print_tensor_float(s2t, "sub s2t of M0 from 3");
 
-  for(size_t i1=0; i1<d0->shape[1];++i1){
-    for(size_t i2=0; i2<d0->shape[2];++i2){
-      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((size_t[]){rnkId,i1,i2},M0->dim),rnkId,i1,i2,LineFromCoord((size_t[]){i1,i2},s2t->dim),i1,i2);
-      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((size_t[]){rnkId,i1,i2},M0->dim)],s2t->x[LineFromCoord((size_t[]){i1,i2},s2t->dim)]);
+  for(long i1=0; i1<d0->shape[1];++i1){
+    for(long i2=0; i2<d0->shape[2];++i2){
+      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((long[]){rnkId,i1,i2},M0->dim),rnkId,i1,i2,LineFromCoord((long[]){i1,i2},s2t->dim),i1,i2);
+      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((long[]){rnkId,i1,i2},M0->dim)],s2t->x[LineFromCoord((long[]){i1,i2},s2t->dim)]);
     }  
   }
 
@@ -194,10 +194,10 @@ TEST(tensorSubhead_ ){
   tensor_TYPE_FLOAT *M0 = create_tensor_TYPE_FLOAT(d0);
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
   //littleEndian=false;
-  size_t rnkId = 1;
+  long rnkId = 1;
   tensor_TYPE_FLOAT *s2h = sub_copy_tensor_head_TYPE_FLOAT(M0,2,rnkId);
 
   print_tensor_float(M0, "M0 for sub");
@@ -207,10 +207,10 @@ TEST(tensorSubhead_ ){
   printDebug_dimension(s2h->dim," s2h dimension  ");
  //EXPECT_ARRAY_EQ_TYPE_FLOAT(M0->x,s2h->dim->size,s2h->x,s2h->dim->size);
  
-  for(size_t i1=0; i1<d0->shape[1];++i1){
-    for(size_t i0=0; i0<d0->shape[0];++i0){
-      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((size_t[]){i0,i1,rnkId},M0->dim),rnkId,i0,i1,LineFromCoord((size_t[]){i0,i1},s2h->dim),i0,i1);
-      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((size_t[]){i0,i1,rnkId},M0->dim)],s2h->x[LineFromCoord((size_t[]){i0,i1},s2h->dim)]);
+  for(long i1=0; i1<d0->shape[1];++i1){
+    for(long i0=0; i0<d0->shape[0];++i0){
+      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((long[]){i0,i1,rnkId},M0->dim),rnkId,i0,i1,LineFromCoord((long[]){i0,i1},s2h->dim),i0,i1);
+      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((long[]){i0,i1,rnkId},M0->dim)],s2h->x[LineFromCoord((long[]){i0,i1},s2h->dim)]);
     }  
   }
   free_tensor_TYPE_FLOAT(M0);
@@ -230,7 +230,7 @@ TEST(tensorSubtail ){
   tensor_TYPE_FLOAT *M0 = create_tensor_TYPE_FLOAT(d0);
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
 
   tensor_TYPE_FLOAT *s1t = sub_copy_tensor_tail_TYPE_FLOAT(M0,2,5);
@@ -258,10 +258,10 @@ TEST(tensorSubtail ){
   tensor_TYPE_FLOAT *M0 = create_tensor_TYPE_FLOAT(d0);
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
   //littleEndian=false;
-  size_t rnkId=3;
+  long rnkId=3;
   tensor_TYPE_FLOAT *s2t = sub_copy_tensor_tail_TYPE_FLOAT(M0,2,rnkId);
 
 
@@ -269,10 +269,10 @@ TEST(tensorSubtail ){
   print_tensor_float(M0, "M0 for sub");
   print_tensor_float(s2t, "sub s2t of M0 from 3");
 
-  for(size_t i1=0; i1<d0->shape[1];++i1){
-    for(size_t i2=0; i2<d0->shape[2];++i2){
-      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((size_t[]){rnkId,i1,i2},M0->dim),rnkId,i1,i2,LineFromCoord((size_t[]){i1,i2},s2t->dim),i1,i2);
-      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((size_t[]){rnkId,i1,i2},M0->dim)],s2t->x[LineFromCoord((size_t[]){i1,i2},s2t->dim)]);
+  for(long i1=0; i1<d0->shape[1];++i1){
+    for(long i2=0; i2<d0->shape[2];++i2){
+      printf("EXPECT_EQ_TYPE_FLOAT c0[%ld](%ld,%ld,%ld) : s[%ld](%ld,%ld) \n",LineFromCoord((long[]){rnkId,i1,i2},M0->dim),rnkId,i1,i2,LineFromCoord((long[]){i1,i2},s2t->dim),i1,i2);
+      EXPECT_EQ_TYPE_FLOAT(M0->x[LineFromCoord((long[]){rnkId,i1,i2},M0->dim)],s2t->x[LineFromCoord((long[]){i1,i2},s2t->dim)]);
     }  
   }
 
@@ -317,7 +317,7 @@ TEST(printT_init_false){
   LOG("M0->dim->size = %ld\n",M0->dim->size);
 
   //init_random_x_TYPE_FLOAT(M0,2,5,50);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
 
 //  print_tensor_float(M0, "M0 ");
@@ -344,7 +344,7 @@ TEST(printT_Init_true){
   LOG("M0->dim->size = %ld\n",M0->dim->size);
 
   //init_random_x_TYPE_FLOAT(M0,2,5,50);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
 
 
 //  print_tensor_float(M0, "M0 ");
@@ -372,7 +372,7 @@ TEST(sprinttens){
 
   //print_tensor_double(M0, "test print M0");
   char *tensCont = NULL;
-  size_t nbChar = sprint_tensor_TYPE_DOUBLE(&tensCont, M0, false);
+  long nbChar = sprint_tensor_TYPE_DOUBLE(&tensCont, M0, false);
 
   LOG(" avec Sprint_tensor sans index, M0 est : \n%s \n, il y a %ld charactères\n",tensCont, nbChar);
   
@@ -515,7 +515,7 @@ TEST(SplitOne_randomInit){
   printDebug_dimension(Tpart2->dim,"dim part2 ");
   printDebug_dimension(M0->dim,"dim root ");
 
-  for(size_t i=0;i<(Tpart1->dim)->size;++i) Tpart1->x[i]=0;
+  for(long i=0;i<(Tpart1->dim)->size;++i) Tpart1->x[i]=0;
   print_tensor_float(Tpart1, "Tpart1 0");
   print_tensor_float(M0, "M0 Tpart1 0");
 
@@ -554,8 +554,8 @@ TEST(tensorProdNoOpt){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_float(M0,"M0");
   print_tensor_float(M1,"M1");
@@ -654,8 +654,8 @@ TEST(tensorProd ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_float(M0,"M0");
   print_tensor_float(M1,"M1");
@@ -714,8 +714,8 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_float(M0,"M0");
   print_tensor_float(M1,"M1");
@@ -792,7 +792,7 @@ printDebug_dimension(MnO->dim, "dim Contr 1");
   //print_tensor_float(M,"M");
   print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //  EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   //EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -838,8 +838,8 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_float(M0,"M0");
   print_tensor_float(M1,"M1");
@@ -908,7 +908,7 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt2 ){
   //print_tensor_float(M,"M");
   print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //  EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   //EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -954,8 +954,8 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt3littleEndianFalse ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*2.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*1.3 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*2.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*1.3 + 2;
 
   print_tensor_float(M0,"M0");
   print_tensor_float(M1,"M1");
@@ -972,7 +972,7 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt3littleEndianFalse ){
   for(long int i1=0;i1<d0->shape[1];++i1){
   for(long int i2=0;i2<d0->shape[2];++i2){
     coord3[0]=i0; coord3[1]=i1; coord3[2]=i2;
-    size_t z=signedLineFromCoord(coord3, d0);
+    long z=signedLineFromCoord(coord3, d0);
     MMM0[i0][i1][i2]=M0->x[z];
     //MMM0[i0][i1][i2]=M0->x[signedLineFromCoord(coord3, d0)];
     printf("[[%ld]] M0[%ld][%ld][%ld] = %f \n",z,i0,i1,i2,MMM0[i0][i1][i2]);
@@ -986,7 +986,7 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt3littleEndianFalse ){
   for(long int j1=0;j1<d1->shape[1];++j1){
   for(long int j2=0;j2<d1->shape[2];++j2){
     coord23[0]=j0; coord23[1]=j1; coord23[2]=j2;
-    size_t z =signedLineFromCoord(coord23, d1);
+    long z =signedLineFromCoord(coord23, d1);
     MMM1[j0][j1][j2]=M1->x[z];
     //MMM1[j0][j1][j2]=M1->x[signedLineFromCoord(coord23, d1)];
     printf("[[%ld]] M1[%ld][%ld][%ld] = %f \n",z,j0,j1,j2,MMM1[j0][j1][j2]);
@@ -1015,7 +1015,7 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt3littleEndianFalse ){
   for(long int i0=0;i0<d0->shape[0];++i0){
   for(long int j2=0;j2<d1->shape[2];++j2){
     coord52[0]=i0; coord52[1]=j2;
-    size_t z = signedLineFromCoord(coord52, MnO->dim);
+    long z = signedLineFromCoord(coord52, MnO->dim);
     EXPECT_EQ_TYPE_FLOAT(MMMm[i0][j2], MnO->x[z] );
     //EXPECT_EQ_TYPE_FLOAT(MMMm[i0][j2], MnO->x[signedLineFromCoord(coord52, MnO->dim)] );
   
@@ -1033,7 +1033,7 @@ TEST(tensorContractnProd_TYPE_FLOATNoOpt3littleEndianFalse ){
   //print_tensor_float(M,"M");
   print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //  EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   //EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1082,8 +1082,8 @@ TEST(tensorContractnProd_TYPE_FLOAT ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_float(M0,"M0");
   print_tensor_float(M1,"M1");
@@ -1098,7 +1098,7 @@ TEST(tensorContractnProd_TYPE_FLOAT ){
   print_tensor_float(M,"M");
   print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //  EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1143,8 +1143,8 @@ TEST(tensorContractnProd_TYPE_FLOAT2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 //  print_tensor_float(M0,"M0");
 //  print_tensor_float(M1,"M1");
@@ -1159,7 +1159,7 @@ TEST(tensorContractnProd_TYPE_FLOAT2 ){
 
 //  print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1204,8 +1204,8 @@ TEST(tensorContractnProdOpt0_TYPE_FLOAT2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 //  print_tensor_float(M0,"M0");
 //  print_tensor_float(M1,"M1");
@@ -1220,7 +1220,7 @@ TEST(tensorContractnProdOpt0_TYPE_FLOAT2 ){
 
 //  print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1269,8 +1269,8 @@ TEST(tensorContractnProdThreadOpt0_TYPE_FLOAT2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 //  print_tensor_float(M0,"M0");
 //  print_tensor_float(M1,"M1");
@@ -1285,7 +1285,7 @@ TEST(tensorContractnProdThreadOpt0_TYPE_FLOAT2 ){
 
 //  print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1332,8 +1332,8 @@ TEST(tensorContractnPro2dThreadOpt0_TYPE_FLOAT2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 //  print_tensor_float(M0,"M0");
 //  print_tensor_float(M1,"M1");
@@ -1348,7 +1348,7 @@ TEST(tensorContractnPro2dThreadOpt0_TYPE_FLOAT2 ){
 
 //  print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1393,8 +1393,8 @@ TEST(tensorContractnPro2dThread_TYPE_FLOAT2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 //  print_tensor_float(M0,"M0");
 //  print_tensor_float(M1,"M1");
@@ -1409,7 +1409,7 @@ TEST(tensorContractnPro2dThread_TYPE_FLOAT2 ){
 
 //  print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1456,8 +1456,8 @@ TEST(tensorContractnProdThread_TYPE_FLOAT2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 //  print_tensor_float(M0,"M0");
 //  print_tensor_float(M1,"M1");
@@ -1472,7 +1472,7 @@ TEST(tensorContractnProdThread_TYPE_FLOAT2 ){
 
 //  print_tensor_float(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_FLOAT(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_FLOAT(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1509,8 +1509,8 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_1 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_double(M0,"M0");
   print_tensor_double(M1,"M1");
@@ -1525,7 +1525,7 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_1 ){
 
   print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1565,8 +1565,8 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_1 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_double(M0,"M0");
   print_tensor_double(M1,"M1");
@@ -1581,7 +1581,7 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_1 ){
 
   print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1622,8 +1622,8 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_double(M0,"M0");
   print_tensor_double(M1,"M1");
@@ -1638,7 +1638,7 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_2 ){
 
   print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1684,8 +1684,8 @@ TEST(tensorContractnProd_TYPE_DOUBLE2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   //print_tensor_double(M0,"M0");
   //print_tensor_double(M1,"M1");
@@ -1700,7 +1700,7 @@ TEST(tensorContractnProd_TYPE_DOUBLE2 ){
 
   //print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1745,8 +1745,8 @@ TEST(VStensorContractnProd_TYPE_DOUBLE2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   //print_tensor_double(M0,"M0");
   //print_tensor_double(M1,"M1");
@@ -1761,7 +1761,7 @@ TEST(VStensorContractnProd_TYPE_DOUBLE2 ){
 
   //print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1807,8 +1807,8 @@ TEST(Pthread_tensorContractnPro2d_TYPE_DOUBLE2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   //print_tensor_double(M0,"M0");
   //print_tensor_double(M1,"M1");
@@ -1816,7 +1816,7 @@ TEST(Pthread_tensorContractnPro2d_TYPE_DOUBLE2 ){
   tensor_TYPE_DOUBLE *M=NULL;
   tensor_TYPE_DOUBLE *MnO=NULL;
 
-  size_t nbthread = 5;
+  long nbthread = 5;
 
   tensorContractnProd_TYPE_DOUBLE(&M, M0,M1,2);
   //print_tensor_double(M,"M");
@@ -1825,7 +1825,7 @@ TEST(Pthread_tensorContractnPro2d_TYPE_DOUBLE2 ){
 
   //print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1866,8 +1866,8 @@ TEST(contract_dim1){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   print_tensor_double(M0,"M0");
   print_tensor_double(M1,"M1");
@@ -1875,7 +1875,7 @@ TEST(contract_dim1){
   tensor_TYPE_DOUBLE *M=NULL;
   tensor_TYPE_DOUBLE *MnO=NULL;
 
-  size_t nbthread = 5;
+  long nbthread = 5;
 
   tensorContractnProd_TYPE_DOUBLE(&M, M0,M1,1);
   //print_tensor_double(M,"M");
@@ -1889,7 +1889,7 @@ printDebug_dimension(M1->dim," M1 dimension  ");
 printDebug_dimension(M->dim," M dimension  ");
 
 
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1934,8 +1934,8 @@ TEST(Pthread_tensorContractnProd_TYPE_DOUBLE2 ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
   //print_tensor_double(M0,"M0");
   //print_tensor_double(M1,"M1");
@@ -1943,7 +1943,7 @@ TEST(Pthread_tensorContractnProd_TYPE_DOUBLE2 ){
   tensor_TYPE_DOUBLE *M=NULL;
   tensor_TYPE_DOUBLE *MnO=NULL;
 
-  size_t nbthread = 5;
+  long nbthread = 5;
 
   tensorContractnProd_TYPE_DOUBLE(&M, M0,M1,2);
   //print_tensor_double(M,"M");
@@ -1952,7 +1952,7 @@ TEST(Pthread_tensorContractnProd_TYPE_DOUBLE2 ){
 
   //print_tensor_double(MnO,"MnO");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
   EXPECT_ARRAY_EQ_TYPE_DOUBLE(M->x,M->dim->size,MnO->x,MnO->dim->size);
@@ -1997,8 +1997,8 @@ TEST(tensorProd_vs ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 
   tensor_TYPE_FLOAT *M=NULL; 
@@ -2051,15 +2051,15 @@ TEST(tensorProd_vsThread ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.1 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 
 
   tensor_TYPE_FLOAT *M=NULL; 
   tensor_TYPE_FLOAT *Mn=NULL; 
 
-  size_t nbthread = 5;
+  long nbthread = 5;
 
   tensorProdThread_TYPE_FLOAT(&M,M0,M1,nbthread);
   //tensorProdNotOpt_TYPE_FLOAT(&Mn,M0,M1);
@@ -2109,14 +2109,14 @@ TEST(tensorProd_vsThread2d ){
 
   LOG("M0->dim->size = %ld\n",M0->dim->size);
   LOG("M1->dim->size = %ld\n",M1->dim->size);
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=i*0.01 +1;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=i*0.01 +1;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=i*0.003 + 2;
 
 
   tensor_TYPE_FLOAT *M=NULL; 
   tensor_TYPE_FLOAT *Mn=NULL; 
 
-  size_t nbthread = 5;
+  long nbthread = 5;
 
   tensorProdThrea2d_TYPE_FLOAT(&M,M0,M1,nbthread);
   //tensorProdNotOpt_TYPE_FLOAT(&Mn,M0,M1);
@@ -2578,21 +2578,21 @@ TEST(array_from_parseInputOutput_file_knownpart1dimInput_1output_to_tensor){
   tensor_TYPE_FLOAT **arrt1 =  fromInput_to_array_tensor_TYPE_FLOAT(t1);
 
 
-  size_t sz0=(t0->dim)->shape[0];
-  size_t sz1=(t1->dim)->shape[0];
+  long sz0=(t0->dim)->shape[0];
+  long sz1=(t1->dim)->shape[0];
   char msg[256];
 
-  for(size_t i=0; i< sz0; ++i){
+  for(long i=0; i< sz0; ++i){
     sprintf(msg," array t0 [%ld ] ",i);
     print_tensor_msg_TYPE_FLOAT(arrt0[i],msg);
   }
-  for(size_t i=0; i< sz1; ++i){
+  for(long i=0; i< sz1; ++i){
     sprintf(msg," array t1 [%ld ] ",i);
     print_tensor_msg_TYPE_FLOAT(arrt1[i],msg);
   }
 
-  for(size_t i=0; i< sz0; ++i) free_tensor_TYPE_FLOAT(arrt0[i]);
-  for(size_t i=0; i< sz1; ++i) free_tensor_TYPE_FLOAT(arrt1[i]);
+  for(long i=0; i< sz0; ++i) free_tensor_TYPE_FLOAT(arrt0[i]);
+  for(long i=0; i< sz1; ++i) free_tensor_TYPE_FLOAT(arrt1[i]);
   
   free(arrt0);
   free(arrt1);
@@ -2714,8 +2714,8 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_2 ){
   tensor_TYPE_DOUBLE *M0 = create_tensor_TYPE_DOUBLE(d0);
   tensor_TYPE_DOUBLE *M1 = create_tensor_TYPE_DOUBLE(d1);
 
-  for(size_t i=0; i<M0->dim->size;++i) M0->x[i]=2 ;
-  for(size_t i=0; i<M1->dim->size;++i) M1->x[i]=3;
+  for(long i=0; i<M0->dim->size;++i) M0->x[i]=2 ;
+  for(long i=0; i<M1->dim->size;++i) M1->x[i]=3;
 
   print_tensor_double(M0,"M0");
   print_tensor_double(M1,"M1");
@@ -2726,7 +2726,7 @@ TEST(tensorContractnProd_TYPE_DOUBLE_2_2 ){
 
   print_tensor_double(M,"M");
  
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
 
@@ -2770,11 +2770,11 @@ TEST(scalProduct){
   tensor_TYPE_DOUBLE *M_0 = create_tensor_TYPE_DOUBLE(d_0);
   tensor_TYPE_DOUBLE *M_1 = create_tensor_TYPE_DOUBLE(d_1);
   
-  for(size_t i=0; i<M0->dim->size;++i) {
+  for(long i=0; i<M0->dim->size;++i) {
     M0->x[i]=2 ;
     M_0->x[i]=2 ;
   }
-  for(size_t i=0; i<M1->dim->size;++i) {
+  for(long i=0; i<M1->dim->size;++i) {
     M1->x[i]=3;
     M_1->x[i]=3;
   }
@@ -2791,7 +2791,7 @@ TEST(scalProduct){
 
   EXPECT_EQ_TYPE_DOUBLE(dotProd, M->x[0]);
 
-  // for(size_t i=0;i<M->dim->size;++i)
+  // for(long i=0;i<M->dim->size;++i)
   //    EXPECT_EQ_TYPE_DOUBLE(M->x[i],MnO->x[i]);
     
 
diff --git a/onetensor/testDimension.c b/onetensor/testDimension.c
index 366304a..51da84c 100644
--- a/onetensor/testDimension.c
+++ b/onetensor/testDimension.c
@@ -162,10 +162,10 @@ TEST(Coord_linear){
 
   updateDim(D);
 
-  size_t line=255;
-  size_t *coord = CoordFromLin(line,D);
+  long line=255;
+  long *coord = CoordFromLin(line,D);
 
-  for(size_t i=0; i<D->rank; ++i){
+  for(long i=0; i<D->rank; ++i){
     LOG("coo[%ld]=%ld\n",i,coord[i]);
   }
   
@@ -186,7 +186,7 @@ TEST(signedCoord_linear){
   long line=-255;
   long *coord = signedCoordFromLin(line,D);
 
-  for(size_t i=0; i<D->rank; ++i){
+  for(long i=0; i<D->rank; ++i){
     LOG("coo[%ld]=%ld\n",i,coord[i]);
   }
   
@@ -206,7 +206,7 @@ TEST(signedCoord_linearSuccessif){
   for(long line=-4; line < 4; ++line){
     long *coord = signedCoordFromLin(line,D);
 
-    for(size_t i=0; i<D->rank; ++i){
+    for(long i=0; i<D->rank; ++i){
       LOG("coo[%ld]=%ld\n",i,coord[i]);
     }
   
@@ -226,7 +226,7 @@ TEST(sprint_dim){
   updateDim(D);
 
   char *dimSTR =NULL;
-  size_t nb=sprint_dimension(&dimSTR, D);
+  long nb=sprint_dimension(&dimSTR, D);
 
   LOG(" nb char : %ld\n, dim print:\n%s\n",nb, dimSTR);
 
@@ -245,7 +245,7 @@ TEST(incrment_dim){
   updateDim(D);
 
   char *dimSTR =NULL;
-  size_t nb=sprint_dimension(&dimSTR, D);
+  long nb=sprint_dimension(&dimSTR, D);
 
   LOG(" nb char : %ld\n, dim print:\n%s\n",nb, dimSTR);
 
@@ -263,7 +263,7 @@ TEST(incrment_dim){
 TEST(list_shape_in_dim){
   list_shape_in_dim *l_p=NULL;
 
-  for(size_t i=1;i<5; ++i){
+  for(long i=1;i<5; ++i){
     append_in_list_shape(&l_p, i);
   }