[camera] add epsilon in comparison test

src/aliceVision/camera/IntrinsicBase.hpp

@@ -105,14 +105,30 @@ class IntrinsicBase
    */
   inline bool operator==(const IntrinsicBase& other) const
   {
+      if(getParams().size() != other.getParams().size())
+      {
+          return false;
+      }
+      for(int i = 0; i < getParams().size(); i++)
+      {
+          const double diff = getParams()[i] - other.getParams()[i];
+          if(std::abs(diff) > 1e-8)
+          {
+              return false;
+          }
+      }
     return _w == other._w &&
            _h == other._h &&
            _sensorWidth == other._sensorWidth &&
            _sensorHeight == other._sensorHeight &&
            _serialNumber == other._serialNumber &&
            _initializationMode == other._initializationMode &&
-           getType() == other.getType() &&
-           getParams() == other.getParams();
+           getType() == other.getType();
+  }
+
+  inline bool operator!=(const IntrinsicBase& other) const
+  {
+    return !(*this == other);
   }
 
   /**