avoid crash in GDX on changing decimals without symbol selected

(hotfix for #1112)
GAMS-dev · Aug 22, 2019 · fa51112 · fa51112
1 parent d9b909c
commit fa51112
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/gdxviewer/gdxsymbolview.cpp b/src/gdxviewer/gdxsymbolview.cpp
@@ -298,6 +298,8 @@ void GdxSymbolView::toggleColumnHidden()
 
 void GdxSymbolView::updateNumericalPrecision()
 {
+    if (!mSym)
+        return;
     this->mSym->setNumericalPrecision(ui->sbPrecision->value(), ui->cbSqueezeZeroes->isChecked());
     if (mTvModel)
         ui->tvTableView->reset();