doubleToString: Fix assert when double is NaN

wholePartSpace asserts that its input is >= 0, but NaN is not a number Change-Id: Iafc075663d5f8841f21edf0a3d4d36694287a51f Reviewed-by: Edward Welbourne <[email protected]>
o3de · Jul 27, 2021 · 3b8127c · 3b8127c
1 parent 62b33b6
commit 3b8127c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/corelib/text/qlocale.cpp b/src/corelib/text/qlocale.cpp
@@ -3384,7 +3384,7 @@ QString QLocaleData::doubleToString(double d, int precision, DoubleForm form,
     int bufSize = 1;
     if (precision == QLocale::FloatingPointShortest)
         bufSize += std::numeric_limits<double>::max_digits10;
-    else if (form == DFDecimal)
+    else if (form == DFDecimal && qIsFinite(d))
         bufSize += wholePartSpace(qAbs(d)) + precision;
     else // Add extra digit due to different interpretations of precision. Also, "nan" has to fit.
         bufSize += qMax(2, precision) + 1;