X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmersenne.cpp;h=fee3027fe8f5d47d4c7831e8da2931fbce017e61;hp=2213e4ac9f3abc65c06e8c5e9fed04b65702db7e;hb=72c7595f8ac72c7831ee319b8b0bc46404c5fc27;hpb=bb751d6c890f5c50c642366d601740366cfae8d0

diff --git a/src/mersenne.cpp b/src/mersenne.cpp
index 2213e4ac..fee3027f 100644
--- a/src/mersenne.cpp
+++ b/src/mersenne.cpp
@@ -1,12 +1,12 @@
-/* 
+/*
    A C-program for MT19937, with initialization improved 2002/1/26.
    Coded by Takuji Nishimura and Makoto Matsumoto.
 
-   Before using, initialize the state by using init_genrand(seed)  
+   Before using, initialize the state by using init_genrand(seed)
    or init_by_array(init_key, key_length).
 
    Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
-   All rights reserved.                          
+   All rights reserved.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
@@ -19,8 +19,8 @@
         notice, this list of conditions and the following disclaimer in the
         documentation and/or other materials provided with the distribution.
 
-     3. The names of its contributors may not be used to endorse or promote 
-        products derived from this software without specific prior written 
+     3. The names of its contributors may not be used to endorse or promote
+        products derived from this software without specific prior written
         permission.
 
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
@@ -42,8 +42,9 @@
 */
 
 #include "types.h"
+#include "mersenne.h"
 
-/* Period parameters */  
+/* Period parameters */
 #define N 624
 #define M 397
 #define MATRIX_A 0x9908b0dfUL   /* constant vector a */
@@ -54,12 +55,12 @@ static unsigned long mt[N]; /* the array for the state vector  */
 static int mti=N+1; /* mti==N+1 means mt[N] is not initialized */
 
 /* initializes mt[N] with a seed */
-void init_genrand(unsigned long s)
+static void init_genrand(unsigned long s)
 {
     mt[0]= s & 0xffffffffUL;
     for (mti=1; mti<N; mti++) {
-        mt[mti] = 
-            (1812433253UL * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti); 
+        mt[mti] =
+            (1812433253UL * (mt[mti-1] ^ (mt[mti-1] >> 30)) + mti);
         /* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */
         /* In the previous versions, MSBs of the seed affect   */
         /* only MSBs of the array mt[].                        */
@@ -73,7 +74,7 @@ void init_genrand(unsigned long s)
 /* init_key is the array for initializing keys */
 /* key_length is its length */
 /* slight change for C++, 2004/2/26 */
-void init_by_array(unsigned long init_key[], int key_length)
+static void init_by_array(unsigned long init_key[], int key_length)
 {
     int i, j, k;
     init_genrand(19650218UL);
@@ -95,7 +96,7 @@ void init_by_array(unsigned long init_key[], int key_length)
         if (i>=N) { mt[0] = mt[N-1]; i=1; }
     }
 
-    mt[0] = 0x80000000UL; /* MSB is 1; assuring non-zero initial array */ 
+    mt[0] = 0x80000000UL; /* MSB is 1; assuring non-zero initial array */
 }
 
 /* generates a random number on [0,0xffffffff]-interval */
@@ -123,7 +124,7 @@ uint32_t genrand_int32(void) {
 
     mti = 0;
   }
-  
+
   y = mt[mti++];
 
   /* Tempering */