Bug fix in parameter passing in the python bindings

src/cpp/flann/util/random.h

@@ -74,6 +74,14 @@ inline int rand_int(int high = RAND_MAX, int low = 0)
     return low + (int) ( double(high-low) * (std::rand() / (RAND_MAX + 1.0)));
 }
 
+
+class RandomGenerator
+{
+public:
+    ptrdiff_t operator() (ptrdiff_t i) { return rand_int(i); }
+};
+
+
 /**
  * Random number generator that returns a distinct number from
  * the [0,n) interval each time.
@@ -101,13 +109,14 @@ public:
      */
     void init(int n)
     {
+        static RandomGenerator generator;
         // create and initialize an array of size n
         vals_.resize(n);
         size_ = n;
         for (int i = 0; i < size_; ++i) vals_[i] = i;
 
         // shuffle the elements in the array
-        std::random_shuffle(vals_.begin(), vals_.end());
+        std::random_shuffle(vals_.begin(), vals_.end(), generator);
 
         counter_ = 0;
     }

src/python/pyflann/bindings/flann_ctypes.py

@@ -95,6 +95,9 @@ class FLANNParameters(CustomStructure):
         ('build_weight', c_float),
         ('memory_weight', c_float),
         ('sample_fraction', c_float),
+        ('table_number_', c_uint),
+        ('key_size_', c_uint),
+        ('multi_probe_level_', c_uint),
         ('log_level', c_int),
         ('random_seed', c_long),
     ]
@@ -112,6 +115,9 @@ class FLANNParameters(CustomStructure):
         'build_weight' : 0.01,
         'memory_weight' : 0.0,
         'sample_fraction' : 0.1,
+        'table_number_': 12,
+        'key_size_': 20,
+        'multi_probe_level_': 2,
         'log_level' : "warning",
         'random_seed' : -1
   }