diff --git a/include_ytest/include/tools_t/tools_t.h b/include_ytest/include/tools_t/tools_t.h
index e4be195..6f20a20 100644
--- a/include_ytest/include/tools_t/tools_t.h
+++ b/include_ytest/include/tools_t/tools_t.h
@@ -41,15 +41,22 @@ long diff_timespec_nanoseconds(struct timespec time_stop, struct timespec time_s
 void gotoxy(int x, int y);
 //void get_cursor_position(int *col, int *rows);
 
+#if DEBUG
 
 #define debug_print(fmt, ...) \
-  do { if (DEBUG) fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \
+  do { /*if (DEBUG)*/ fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \
       __LINE__, __func__, __VA_ARGS__); } while (0)
 
 #define PRINT_DEBUG_(fmt, ...) \
-  do { if (DEBUG) fprintf(F_ERR, "%s:%d:%s(): " fmt, __FILE__, \
+  do { /*if (DEBUG)*/ fprintf(F_ERR, "%s:%d:%s(): " fmt, __FILE__, \
       __LINE__, __func__, __VA_ARGS__); } while (0)
 
+#else
+#define debug_print(fmt, ...) {} 
+
+#define PRINT_DEBUG_(fmt, ...) {}
+
+#endif
 
 #define error_print(fmt, ...) \
    fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \
diff --git a/libytest.so b/libytest.so
index 476fef4..7acc81b 100644
Binary files a/libytest.so and b/libytest.so differ
diff --git a/permutation_test/compile.sh b/permutation_test/compile.sh
index 80e9ab9..af85642 100644
--- a/permutation_test/compile.sh
+++ b/permutation_test/compile.sh
@@ -13,7 +13,7 @@ fi
 
 
 
-gcc -o launch_is_good_c $1 -L$PWD/../ $2 -lytest -I../include_ytest/include src/permutation_t/permutation_t.o src/set_theoric_t/set_theoric_t.o -I./src 
+gcc -o launch_is_good_c $1 -L$PWD/../ $2 -lytest -I../include_ytest/include src/permutation_t/permutation_t.c src/set_theoric_t/set_theoric_t.c -I./src 
 #gcc -o launch_is_good_c $1 $2 -lytest -I../include_ytest src/permutation_t/permutation_t.o src/set_theoric_t/set_theoric_t.o -I./src 
 
 export LD_LIBRARY_PATH=$PWD/../:LD_LIBRARY_PATH
diff --git a/permutation_test/is_good.c b/permutation_test/is_good.c
index 6de9953..48e3e41 100644
--- a/permutation_test/is_good.c
+++ b/permutation_test/is_good.c
@@ -12,13 +12,11 @@
 #include "ftest/ftest.h"
 #include "fmock/fmock.h"
 
-#if 1
 
 #include "permutation_t/permutation_t.h"
 
 
 TEST(size_permutation2){
-  sleep(4);
   PRINTF("another size_permutation2 again\n");
   ASSERT_TRUE(false);
 }
@@ -29,10 +27,86 @@ TEST(size_permutation)
   
   PRINTF(" size = %lu \n",p->size);
   EXPECT_EQ(p->size, 3);
+
   PRINTF("test size_permutation2\n");
 }
 
-#endif
+
+TEST(permutation_t_float_trans)
+{
+  int n =8;
+  PERMUTATION_TYPE_FLOAT *p = CREATE_PERMUTATION_TYPE_FLOAT(n);
+
+  PRINTF(" size = %lu \n",p->size);
+  EXPECT_EQ(p->size, n);
+
+  p->perm[0]=0.001;
+  p->perm[1]=0.01;
+  p->perm[2]=0.00101;
+  p->perm[3]=0.02;
+  p->perm[4]=0.1;
+  p->perm[5]=0.1;
+
+  PERMUTATION_TYPE_SIZE_T *translate_p = TRANSLATE_TO_SET_THEORIC_SIZE_T_TYPE_FLOAT(p);
+
+  for(int i = 0; i < translate_p->size; ++i) PRINTF(" ([%d] %ld) ,",i,translate_p->perm[i]);
+  PRINTF("\n");
+  for(int i = 0; i < p->size; ++i) PRINTF(" (%d: %f) ,",i,p->perm[i]);
+  PRINTF("\n");
+  
+ 
+//  sleep(n);
+
+}
+
+TEST(not_permutation_)
+{
+  int n =8;
+  PERMUTATION_TYPE_FLOAT *p = CREATE_PERMUTATION_TYPE_FLOAT(n);
+
+  PRINTF(" size = %lu \n",p->size);
+  EXPECT_EQ(p->size, n);
+
+  p->perm[0]=0.001;
+  p->perm[1]=0.01;
+  p->perm[2]=0.00101;
+  p->perm[3]=0.02;
+  p->perm[4]=0.1;
+  p->perm[5]=0.1;
+  
+  EXPECT_FALSE(IS_PERMUTATION_TYPE_FLOAT(p));
+
+
+//  sleep(n);
+
+}
+
+
+
+TEST(is_permutation_)
+{
+  int n =6;
+  PERMUTATION_TYPE_FLOAT *p = CREATE_PERMUTATION_TYPE_FLOAT(n);
+
+  PRINTF(" size = %lu \n",p->size);
+  EXPECT_EQ(p->size, n);
+
+  p->perm[0]=0.001;
+  p->perm[1]=0.01;
+  p->perm[2]=0.00101;
+  p->perm[3]=0.02;
+  p->perm[4]=0.2;
+  p->perm[5]=0.1;
+  
+  EXPECT_TRUE(IS_PERMUTATION_TYPE_FLOAT(p));
+
+
+//  sleep(n);
+
+}
+
+
+
 
 TEST(size_permutation2){
   PRINTF("another size_permutation2 again false\n");
@@ -135,6 +209,7 @@ TEST(){
   PRINTF("p_char == %s\n",p_char->perm);
 }
 
+#if 0
 TEST(lessThan){
   long int a=1,b=2;
   EXPECT_LT(a,b);
@@ -142,6 +217,7 @@ TEST(lessThan){
 
 }
 
+#if 0
 TEST(sleep){sleep(2);}
 TEST(sleep){sleep(2);}
 TEST(sleep){sleep(2);}
@@ -170,7 +246,6 @@ TEST(sleep){sleep(1);}
 TEST(sleep){sleep(1);}
 TEST(sleep){sleep(1);}
 
-
 TEST(sleep){sleep(1);}
 TEST(sleep){sleep(1);}
 TEST(sleep){sleep(1);}
@@ -185,6 +260,7 @@ TEST(sleep){sleep(1);}
 TEST(sleep){sleep(1);}
 TEST(sleep){sleep(1);}
 
+#endif
 
 MOCK_FUNC(int, f_mock, (), ())
   
@@ -358,6 +434,7 @@ TEST(f7_mock_test){
 
 }
 
+#endif
 
 int main(int argc, char **argv){
   
diff --git a/permutation_test/src/permutation_t/permutation_t.c b/permutation_test/src/permutation_t/permutation_t.c
index f6b87f2..d8a2bd1 100644
--- a/permutation_test/src/permutation_t/permutation_t.c
+++ b/permutation_test/src/permutation_t/permutation_t.c
@@ -7,14 +7,21 @@
     type j;\
     size_t *count_array_i = calloc(size, sizeof(size_t));\
     if(count_array_i == NULL){\
-      printf("can't alloc count_array_i\n"); return false;}\
+      printf("can't alloc count_array_i\n"); \
+      return false;\
+    }\
     for(size_t i = 0; i < size; ++i){\
       j = p->perm[i];\
       if((COMPARE_N_##type(&j, (type*)&size) >= 0) || count_array_i[j]){\
-        free(count_array_i); return false; }\
-      ++count_array_i[j];}\
+        free(count_array_i); \
+        return false;\
+      }\
+      ++count_array_i[j];\
+    }\
     free(count_array_i);\
-    return true; }\
+    return true; \
+  }\
+
 
 GENERATE_PERMUTATION_FUNCTIONS_UNSIGNED(TYPE_U_CHAR)
 GENERATE_PERMUTATION_FUNCTIONS_UNSIGNED(TYPE_U_INT)
@@ -40,24 +47,15 @@ GENERATE_PERMUTATION_FUNCTIONS_UNSIGNED(TYPE_SIZE_T)
     type *sorted_perm = malloc(size * sizeof(type));\
     COPY_ARRAY_##type(sorted_perm,(const type*)p->perm, size);\
     qsort(sorted_perm, size, sizeof(type), COMPARE_N_##type);\
-    size_t *rec_index_visited = malloc(size * sizeof(size_t));\
-    size_t cur_rec = 0; bool found_rec;\
-    for(size_t i = 0; i < size; ++i){\
-      for(size_t j = 0; j < size; ++j){\
+    for(size_t i=0; i< size; ++i)\
+      PRINT_DEBUG_("sorted_perm[%ld] : %s \n",i, type##_TO_STR(sorted_perm[i]));\
+    for(size_t j = 0; j < size; ++j){\
+      for(size_t i = 0; i < size; ++i){\
         if(COMPARE_N_##type(&(p->perm[j]), &(sorted_perm[i])) == 0){\
-          found_rec = false;\
-          for(size_t k = 0; k < cur_rec; ++k){\
-            if(rec_index_visited[k] == j){\
-              found_rec == true; break; } } \
-          if(found_rec == false){\
-            /*t_p->perm[i] = j;*/\
-            t_p->perm[j] = i;\
-            rec_index_visited[cur_rec++] = j; \
-            break; }\
+          t_p->perm[j]=i; break;\
         }\
       }\
     }\
-    free(rec_index_visited);\
     free(sorted_perm);\
     return t_p; \
   }\
@@ -94,6 +92,8 @@ GENERATE_PERMUTATION_FUNCTIONS(TYPE_STRING)
  *it is equivalent of 1,3,2,0 in set_theoric(4)=0,1,2,3
  this function calculate the permutation equivalent in set_theoric
  2,4,2,5 is translate to 0,1,0,2
+ 2,4,7,5 is translate to 0,1,3,2
+ PERMUTATION_TYPE_SIZE_T * TRANSLATE_TO_SET_THEORIC_SIZE_T_##type(const PERMUTATION_##type *p );
  * */
 
 
diff --git a/permutation_test/src/permutation_t/permutation_t.h b/permutation_test/src/permutation_t/permutation_t.h
index 2b27ca0..3bfd566 100644
--- a/permutation_test/src/permutation_t/permutation_t.h
+++ b/permutation_test/src/permutation_t/permutation_t.h
@@ -13,12 +13,14 @@
 #define GENERATE_PERMUTATION(type)\
   struct PERMUTATION_##type{\
     size_t size;\
+    size_t rank;\
     type * perm; \
   };\
 \
   typedef struct PERMUTATION_##type PERMUTATION_##type;\
   PERMUTATION_##type * CREATE_PERMUTATION_##type(size_t size);\
-PERMUTATION_TYPE_SIZE_T * TRANSLATE_TO_SET_THEORIC_SIZE_T_##type(const PERMUTATION_##type *p );\
+  PERMUTATION_TYPE_SIZE_T * TRANSLATE_TO_SET_THEORIC_SIZE_T_##type(const PERMUTATION_##type *p );\
+  bool IS_PERMUTATION_##type(const PERMUTATION_##type *p );\
 
 
 GENERATE_PERMUTATION(TYPE_SIZE_T)
diff --git a/ytools_t/include/tools_t/tools_t.h b/ytools_t/include/tools_t/tools_t.h
index e4be195..6f20a20 100644
--- a/ytools_t/include/tools_t/tools_t.h
+++ b/ytools_t/include/tools_t/tools_t.h
@@ -41,15 +41,22 @@ long diff_timespec_nanoseconds(struct timespec time_stop, struct timespec time_s
 void gotoxy(int x, int y);
 //void get_cursor_position(int *col, int *rows);
 
+#if DEBUG
 
 #define debug_print(fmt, ...) \
-  do { if (DEBUG) fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \
+  do { /*if (DEBUG)*/ fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \
       __LINE__, __func__, __VA_ARGS__); } while (0)
 
 #define PRINT_DEBUG_(fmt, ...) \
-  do { if (DEBUG) fprintf(F_ERR, "%s:%d:%s(): " fmt, __FILE__, \
+  do { /*if (DEBUG)*/ fprintf(F_ERR, "%s:%d:%s(): " fmt, __FILE__, \
       __LINE__, __func__, __VA_ARGS__); } while (0)
 
+#else
+#define debug_print(fmt, ...) {} 
+
+#define PRINT_DEBUG_(fmt, ...) {}
+
+#endif
 
 #define error_print(fmt, ...) \
    fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \