From 73f6846d622382a1c2da510e220d033c1146986d Mon Sep 17 00:00:00 2001
From: Fabien Spindler <Fabien.Spindler@inria.fr>
Date: Fri, 3 Jan 2025 11:31:39 +0100
Subject: [PATCH] Fix warning: comparing floating point with == or != is unsafe
 Warning detected on Fedora 25 ci

---
 modules/core/test/image-with-dataset/testImageFilter.cpp     | 5 +++--
 modules/core/test/math/catchParticleFilter.cpp               | 3 ++-
 .../tutorial-pf-curve-fitting-all.cpp                        | 3 ++-
 .../tutorial-pf-curve-fitting-pf.cpp                         | 3 ++-
 tutorial/particle-filter-curve-fitting/vpTutoCommonData.h    | 3 ++-
 5 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/modules/core/test/image-with-dataset/testImageFilter.cpp b/modules/core/test/image-with-dataset/testImageFilter.cpp
index 7ff6088d91..1434dbdc50 100644
--- a/modules/core/test/image-with-dataset/testImageFilter.cpp
+++ b/modules/core/test/image-with-dataset/testImageFilter.cpp
@@ -41,6 +41,7 @@
 #include <visp3/core/vpImageConvert.h>
 #include <visp3/core/vpImageFilter.h>
 #include <visp3/core/vpIoTools.h>
+#include <visp3/core/vpMath.h>
 #include <visp3/core/vpRGBa.h>
 #include <visp3/io/vpImageIo.h>
 #include <visp3/io/vpParseArgv.h>
@@ -538,7 +539,7 @@ int main(int argc, const char *argv[])
       }
       double median = vpImageFilter::median(I_median);
       double expectedMedian = 4.;
-      test = (median == expectedMedian);
+      test = vpMath::equal(median, expectedMedian);
       std::cout << "(median (=" << median << ") == expectedMedian(" << expectedMedian << "))? " << test << std::endl;
 
       if (!test) {
@@ -558,7 +559,7 @@ int main(int argc, const char *argv[])
       std::vector<float> median_rgba = vpImageFilter::median(I_median_rgba);
       std::vector<float> expected_median_rgba = { 4.f, 8.f, 12.f };
       for (unsigned int i = 0; i < 3; i++) {
-        bool test_local = (median_rgba[i] == expected_median_rgba[i]);
+        bool test_local = vpMath::equal(median_rgba[i], expected_median_rgba[i]);
         test &= test_local;
         std::cout << "(median_rgba[" << i << "] (=" << median_rgba[i] << ") == expected_median_rgba[" << i << "] ( " << expected_median_rgba[i] << "))? " << test_local << std::endl;
       }
diff --git a/modules/core/test/math/catchParticleFilter.cpp b/modules/core/test/math/catchParticleFilter.cpp
index 8a4c4f1607..2cb8871261 100644
--- a/modules/core/test/math/catchParticleFilter.cpp
+++ b/modules/core/test/math/catchParticleFilter.cpp
@@ -45,6 +45,7 @@
 
 #include <visp3/core/vpColVector.h>
 #include <visp3/core/vpImagePoint.h>
+#include <visp3/core/vpMath.h>
 #include <visp3/core/vpParticleFilter.h>
 #include <visp3/core/vpUniRand.h>
 
@@ -386,7 +387,7 @@ class vpAverageFunctor
           initPoints.push_back(pt);
         }
       }
-      else if (nbPoints == 1.) {
+      else if (vpMath::equal(nbPoints, 1.)) {
         vpParabolaModel curve(particles[i], m_height, m_width);
         double u = static_cast<double>(m_width) / 2.;
         double v = curve.eval(u);
diff --git a/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-all.cpp b/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-all.cpp
index 7ec4a7cb5d..7f09a63f90 100644
--- a/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-all.cpp
+++ b/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-all.cpp
@@ -37,6 +37,7 @@
 // ViSP includes
 #include <visp3/core/vpConfig.h>
 #include <visp3/core/vpException.h>
+#include <visp3/core/vpMath.h>
 #include <visp3/core/vpMouseButton.h>
 #include <visp3/core/vpTime.h>
 
@@ -395,7 +396,7 @@ class vpTutoAverageFunctor
           initPoints.push_back(pt);
         }
       }
-      else if (nbPoints == 1.) {
+      else if (vpMath::equal(nbPoints, 1.)) {
         // The weight of the particle make it have only one control point
         // We sample it at the middle of the image
         vpTutoParabolaModel curve(particles[i], m_height, m_width);
diff --git a/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-pf.cpp b/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-pf.cpp
index 3afc244d2e..bcdcb02ecd 100644
--- a/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-pf.cpp
+++ b/tutorial/particle-filter-curve-fitting/tutorial-pf-curve-fitting-pf.cpp
@@ -32,6 +32,7 @@
 
 #include <visp3/core/vpConfig.h>
 #include <visp3/core/vpException.h>
+#include <visp3/core/vpMath.h>
 #include <visp3/core/vpMouseButton.h>
 #include <visp3/core/vpTime.h>
 #include <visp3/core/vpUniRand.h>
@@ -391,7 +392,7 @@ class vpTutoAverageFunctor
           initPoints.push_back(pt);
         }
       }
-      else if (nbPoints == 1.) {
+      else if (vpMath::equal(nbPoints, 1.)) {
         // The weight of the particle make it have only one control point
         // We sample it at the middle of the image
         vpTutoParabolaModel curve(particles[i], m_height, m_width);
diff --git a/tutorial/particle-filter-curve-fitting/vpTutoCommonData.h b/tutorial/particle-filter-curve-fitting/vpTutoCommonData.h
index 01d422a96c..4b414aec4b 100644
--- a/tutorial/particle-filter-curve-fitting/vpTutoCommonData.h
+++ b/tutorial/particle-filter-curve-fitting/vpTutoCommonData.h
@@ -36,6 +36,7 @@
 #include <visp3/core/vpImage.h>
 #include <visp3/core/vpImageFilter.h>
 #include <visp3/core/vpIoTools.h>
+#include <visp3/core/vpMath.h>
 #include <visp3/gui/vpDisplayFactory.h>
 #include <visp3/io/vpVideoReader.h>
 
@@ -266,7 +267,7 @@ typedef struct vpTutoCommonData
 #if defined(VISP_HAVE_DISPLAY)
     const int horOffset = 20, vertOffset = 25;
     std::string skeletonTitle("Skeletonized image (");
-    skeletonTitle += (m_ratioSaltPepperNoise == 0 ? "without" : std::to_string(static_cast<unsigned int>(m_ratioSaltPepperNoise * 100.)) + "%");
+    skeletonTitle += (vpMath::equal(m_ratioSaltPepperNoise, 0.) ? "without" : std::to_string(static_cast<unsigned int>(m_ratioSaltPepperNoise * 100.)) + "%");
     skeletonTitle += " noise)";
     m_displayOrig = VISP_NAMESPACE_ADDRESSING vpDisplayFactory::createDisplay(m_I_orig, horOffset, vertOffset, "Original image");
     m_displaySegmented = VISP_NAMESPACE_ADDRESSING vpDisplayFactory::createDisplay(m_I_segmented, 2 * horOffset + m_I_orig.getWidth(), vertOffset, "Segmented image");