diff options
Diffstat (limited to 'src/corelib/global/qglobal.cpp')
-rw-r--r-- | src/corelib/global/qglobal.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index d42a7a0ea6..cbefe92eca 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -4192,8 +4192,10 @@ bool QInternal::activateCallbacks(Callback cb, void **parameters) 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. + Note that comparing values where either \a p1 or \a p2 is 0.0 will not work, + nor does comparing values where one of the values is NaN or infinity. + If one of the values is always 0.0, use qFuzzyIsNull instead. If one of the + values is likely to be 0.0, one solution is to add 1.0 to both values. \snippet code/src_corelib_global_qglobal.cpp 46 |