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  1. Qt
  2. QTBUG-42419

QJsonDocument::toJson() generates extra large text.

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P4: Low P4: Low
    • 5.7.0 Alpha
    • 5.3.2
    • Other
    • None
    • Qt 5.3.2, Qt Creator, Mac OS X Yosemite, Open Suse Linux.
    • 573f87d81363a303b7005f999a283db624201db8

      QJsonDocument::toJson() generate extra large text using double values.
      Here is a code:

      QJsonObject rootObject;
      rootObject.insert("Test",0.05);
      qDebug()<<QJsonDocument(rootObject).toJson(QJsonDocument::Compact);

      Debug output is always:

      {"Test":0.050000000000000003}

      I want to get compact output like this:

      {"Test":0.05}

      If I use QJsonArray that contains a lot double values then json output is extreme large.

      Is there way to make it compact? If no, than please fix it.

        For Gerrit Dashboard: QTBUG-42419
        # Subject Branch Project Status CR V
        140502,3 Use "shortest" double conversion for JSON dev qt/qtbase Status: MERGED -2 0

            ulherman Ulf Hermann
            ighor IGHOR
            Votes:
            2 Vote for this issue
            Watchers:
            8 Start watching this issue

              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes