#5450 Increased precision for very small decimal numbers (like 1e-15).

Author: Paweł Salawa

ChangeLog.md

@@ -2,6 +2,7 @@
 
 ### 3.4.19
 - BUGFIX: #5447 Database object filtering improved - both speed (3x) and reliability (i.e. typing while filtering is in progress).
+- BUGFIX: #5450 Increased precision for very small decimal numbers (like 1e-15).
 - BUGFIX: Fixed manual updates checking in case when automatic on-startup checking is disabled.
 
 ### 3.4.18

SQLiteStudio3/coreSQLiteStudio/common/utils.cpp

@@ -966,14 +966,16 @@ QStringList concat(const QList<QStringList>& list)
 
 QString doubleToString(const QVariant& val)
 {
-    QString str = val.toString();
-    if (str.contains("e") || str.midRef(str.indexOf('.') + 1).length() > 14)
-    {
-        str = QString::number(val.toDouble(), 'f', 14).remove(QRegExp("0*$"));
-        if (str.endsWith("."))
-            str += "0";
-    }
-    else if (!str.contains('.'))
+    double d = val.toDouble();
+    QString str = QString::number(d, 'f', 17);
+
+    while (str.contains('.') && str.endsWith('0'))
+        str.chop(1);
+
+    if (str.endsWith('.'))
+        str.chop(1);
+
+    if (!str.contains('.'))
         str += ".0";
 
     return str;