From 90ca4fb07edcf65355342738cd70e57230889fed Mon Sep 17 00:00:00 2001
From: joaquintides <joaquin@tid.es>
Date: Thu, 2 May 2024 09:49:11 +0200
Subject: [PATCH] avoided float-equal warnings

---
 test/unordered/stats_tests.cpp | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/test/unordered/stats_tests.cpp b/test/unordered/stats_tests.cpp
index 98ca10c6..651ac1eb 100644
--- a/test/unordered/stats_tests.cpp
+++ b/test/unordered/stats_tests.cpp
@@ -15,6 +15,7 @@
 #include "../helpers/helpers.hpp"
 #include "../helpers/random_values.hpp"
 #include "../helpers/test.hpp"
+#include <cstring>
 
 template <class T> struct unequal_allocator
 {
@@ -40,26 +41,39 @@ template <class T> struct unequal_allocator
   int n_;
 };
 
+bool exact_same(double x, double y)
+{
+  return std::memcmp(
+    reinterpret_cast<void*>(&x), reinterpret_cast<void*>(&y),
+    sizeof(double))==0;
+}
+
+bool not_exact_same(double x, double y)
+{
+  return !exact_same(x, y);
+}
+
 template <class Stats> void check_stat(const Stats& s, bool full)
 {
   if (full) {
-    BOOST_TEST_NE(s.average, 0.0);
-    if(s.variance) {
-      BOOST_TEST_NE(s.deviation, 0.0);
+    BOOST_TEST_GT(s.average, 0.0);
+    if(not_exact_same(s.variance, 0.0)) {
+      BOOST_TEST_GT(s.variance, 0.0);
+      BOOST_TEST_GT(s.deviation, 0.0);
     }
   }
   else {
-    BOOST_TEST_EQ(s.average, 0.0);
-    BOOST_TEST_EQ(s.variance, 0.0);
-    BOOST_TEST_EQ(s.deviation, 0.0);
+    BOOST_TEST(exact_same(s.average, 0.0));
+    BOOST_TEST(exact_same(s.variance, 0.0));
+    BOOST_TEST(exact_same(s.deviation, 0.0));
   }
 }
 
 template <class Stats> void check_stat(const Stats& s1, const Stats& s2)
 {
-  BOOST_TEST_EQ(s1.average, s2.average);
-  BOOST_TEST_EQ(s1.variance, s2.variance);
-  BOOST_TEST_EQ(s1.deviation, s2.deviation);
+  BOOST_TEST(exact_same(s1.average, s2.average));
+  BOOST_TEST(exact_same(s1.variance, s2.variance));
+  BOOST_TEST(exact_same(s1.deviation, s2.deviation));
 }
 
 template <class Stats> void check_insertion_stats(const Stats& s, bool full)