Adding note to the qFuzzyCompare doc

Adding note about how comparing using 0.0 will fail, and
an example on how to do it.

Reviewed-by: David Boddie
Reviewed-by: Geir Vattekar

1 files changed, 6 insertions, 1 deletions

diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 68c213e..69d0a53 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2942,7 +2942,12 @@ bool QInternal::callFunction(InternalFunction func, void **args)
 
  Compares the floating point value \a p1 and \a p2 and
  returns \c true if they are considered equal, otherwise \c false.
-
+ 
+ Note that comparing values where either \a p1 or \a p2 is 0.0 will not work. 
+ The solution to this is to compare against values greater than or equal to 1.0
+ 
+ \snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 46
+ 
  The two numbers are compared in a relative way, where the
  exactness is stronger the smaller the numbers are.
  */