add some functions to pars input char* or file to convert to tensor input output

dimension_t/src/dimension_t/dimension_t.c

@@ -28,8 +28,16 @@ dimension *
 create_dim(size_t sz){
   return CREATE_PERMUTATION_TYPE_SIZE_T(sz);
 }
+dimension *
+create_reverse_dim(size_t sz){
+  dimension *dim = CREATE_PERMUTATION_TYPE_SIZE_T(sz);
+  for(size_t i=0;i<sz;++i) dim->perm[i]=sz-1-i;
+  updateRankDim(dim);
+  return dim;
+}
+
 void free_dimension(dimension *d){
-  free_permut_TYPE_SIZE_T(d);
+  if(d) free_permut_TYPE_SIZE_T(d);
 }
 
 dimension* sub_copy_minus_dim_head(dimension *root, size_t minusSubdim){

dimension_t/src/dimension_t/dimension_t.h

@@ -17,6 +17,7 @@ long int decr(long int i) ;
 typedef struct PERMUTATION_TYPE_SIZE_T dimension ;
 
 dimension * create_dim(size_t size);
+dimension * create_reverse_dim(size_t size);
 dimension* init_dim(size_t *t, size_t sz);
 dimension* init_copy_dim(size_t *t, size_t sz);
 void free_dimension(dimension *d);