[cad] Fix invalid coordinates when x/y snapping is enabled and

subsequent segments are parallel (cherry-picked from 90d116c)
qgis · May 16, 2016 · aa6347e · aa6347e
1 parent 82a4b4d
commit aa6347e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/gui/qgsadvanceddigitizingdockwidget.cpp b/src/gui/qgsadvanceddigitizingdockwidget.cpp
@@ -574,7 +574,7 @@ bool QgsAdvancedDigitizingDockWidget::applyConstraints( QgsMapMouseEvent* e )
     }
     else if ( mXConstraint->isLocked() )
     {
-      if ( cosa == 0 )
+      if ( qgsDoubleNear( cosa, 0.0 ) )
       {
         res = false;
       }
@@ -590,7 +590,7 @@ bool QgsAdvancedDigitizingDockWidget::applyConstraints( QgsMapMouseEvent* e )
     }
     else if ( mYConstraint->isLocked() )
     {
-      if ( sina == 0 )
+      if ( qgsDoubleNear( sina, 0.0 ) )
       {
         res = false;
       }