X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Frkiss.h;h=18c1d4f69dacc8480b0894ae9de1829e5ef6a772;hb=d7f5f15d69564ef8399235e0c24806fdf84413f1;hp=47a3d4cbd6bee9affaab2a8e9508f6a8923328c7;hpb=c5ec94d0f1b128fc2c691c7231663a345409d5cc;p=stockfish

diff --git a/src/rkiss.h b/src/rkiss.h
index 47a3d4cb..18c1d4f6 100644
--- a/src/rkiss.h
+++ b/src/rkiss.h
@@ -22,7 +22,7 @@
   (at your option) any later version.
 */
 
-#if !defined(RKISS_H_INCLUDED)
+#ifndef RKISS_H_INCLUDED
 #define RKISS_H_INCLUDED
 
 #include "types.h"
@@ -43,14 +43,12 @@
 
 class RKISS {
 
-  // Keep variables always together
-  struct S { uint64_t a, b, c, d; } s;
+  struct S { uint64_t a, b, c, d; } s; // Keep variables always together
 
   uint64_t rotate(uint64_t x, uint64_t k) const {
     return (x << k) | (x >> (64 - k));
   }
 
-  // Return 64 bit unsigned integer in between [0, 2^64 - 1]
   uint64_t rand64() {
 
     const uint64_t
@@ -66,11 +64,11 @@ public:
 
     s.a = 0xf1ea5eed;
     s.b = s.c = s.d = 0xd4e12c77;
-    for (int i = 0; i < seed; i++) // Scramble a few rounds
+    for (int i = 0; i < seed; ++i) // Scramble a few rounds
         rand64();
   }
 
   template<typename T> T rand() { return T(rand64()); }
 };
 
-#endif // !defined(RKISS_H_INCLUDED)
+#endif // #ifndef RKISS_H_INCLUDED