From d4bf2e41fab0adce629308de75b3e1763dfadccb Mon Sep 17 00:00:00 2001
From: Tor Egge <Tor.Egge@broadpark.no>
Date: Sat, 25 Apr 2020 22:51:49 +0200
Subject: Reduce code duplication. Rand48 class is in vespalib.

---
 vespalib/src/tests/btree/btree_test.cpp            |  2 +-
 vespalib/src/tests/btree/btreeaggregation_test.cpp |  2 +-
 vespalib/src/tests/btree/frozenbtree_test.cpp      |  2 +-
 vespalib/src/vespa/vespalib/util/rand48.h          | 10 ++++++----
 4 files changed, 9 insertions(+), 7 deletions(-)

(limited to 'vespalib')

diff --git a/vespalib/src/tests/btree/btree_test.cpp b/vespalib/src/tests/btree/btree_test.cpp
index 4090283c10f..042a1f69bb2 100644
--- a/vespalib/src/tests/btree/btree_test.cpp
+++ b/vespalib/src/tests/btree/btree_test.cpp
@@ -673,7 +673,7 @@ void
 generateData(std::vector<LeafPair> & data, size_t numEntries)
 {
     data.reserve(numEntries);
-    Rand48 rnd;
+    vespalib::Rand48 rnd;
     rnd.srand48(10);
     for (size_t i = 0; i < numEntries; ++i) {
         int num = rnd.lrand48() % 10000000;
diff --git a/vespalib/src/tests/btree/btreeaggregation_test.cpp b/vespalib/src/tests/btree/btreeaggregation_test.cpp
index 92d8955ab93..b64bbb105c5 100644
--- a/vespalib/src/tests/btree/btreeaggregation_test.cpp
+++ b/vespalib/src/tests/btree/btreeaggregation_test.cpp
@@ -709,7 +709,7 @@ void
 generateData(std::vector<LeafPair> & data, size_t numEntries)
 {
     data.reserve(numEntries);
-    Rand48 rnd;
+    vespalib::Rand48 rnd;
     rnd.srand48(10);
     for (size_t i = 0; i < numEntries; ++i) {
         int num = rnd.lrand48() % 10000000;
diff --git a/vespalib/src/tests/btree/frozenbtree_test.cpp b/vespalib/src/tests/btree/frozenbtree_test.cpp
index 597c2ffdc90..42410d824e8 100644
--- a/vespalib/src/tests/btree/frozenbtree_test.cpp
+++ b/vespalib/src/tests/btree/frozenbtree_test.cpp
@@ -47,7 +47,7 @@ private:
     NodeAllocator *_allocator;
     Tree *_tree;
 
-    Rand48 _randomGenerator;
+    vespalib::Rand48 _randomGenerator;
 
     void allocTree();
     void freeTree(bool verbose);
diff --git a/vespalib/src/vespa/vespalib/util/rand48.h b/vespalib/src/vespa/vespalib/util/rand48.h
index 441f8e6e10f..3ebfe00ba35 100644
--- a/vespalib/src/vespa/vespalib/util/rand48.h
+++ b/vespalib/src/vespa/vespalib/util/rand48.h
@@ -2,8 +2,10 @@
 
 #pragma once
 
+#include <cstdlib>
+#include <cstdint>
 
-namespace search {
+namespace vespalib {
 
 /*
  * Simple random generator based on lrand48() spec.
@@ -19,19 +21,19 @@ public:
         _state = ((static_cast<uint64_t>(seed & 0xffffffffu)) << 16) + 0x330e;
     }
 
-    Rand48(void)
+    Rand48()
         : _state(0)
     {
         srand48(0x1234abcd);
     };
-    void iterate(void) {
+    void iterate() {
         _state = (UINT64_C(0x5DEECE66D) * _state + 0xb) &
                  UINT64_C(0xFFFFFFFFFFFF);
     }
     /*
      * Return value from 0 to 2^31 - 1
      */
-    long lrand48(void) {
+    long lrand48() {
         iterate();
         return static_cast<long>(_state >> 17);
     }
-- 
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