Make sure we do not crash here in release mode.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38720 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/mathed/InsetMathFrac.cpp b/src/mathed/InsetMathFrac.cpp
index 90937619bf2a8d46f93710a20db708bc9f84ea17..2a00e1c573461d972e25cfc32aac8d5159f71f13 100644 (file)
--- a/src/mathed/InsetMathFrac.cpp
+++ b/src/mathed/InsetMathFrac.cpp
@@ -22,6 +22,7 @@
 #include "MetricsInfo.h"
 #include "TextPainter.h"
 
+#include "support/lassert.h"
 #include "frontends/Painter.h"
 
 using namespace std;
@@ -366,23 +367,32 @@ bool InsetMathFrac::extraBraces() const
 }
 
 
-// FIXME This will crash on unitone and is wrong in other cases.
 void InsetMathFrac::maple(MapleStream & os) const
 {
+       if (nargs() != 2) {
+               // Someone who knows about maple should fix this.
+               LASSERT(false, return);
+       }
        os << '(' << cell(0) << ")/(" << cell(1) << ')';
 }
 
 
-// FIXME This will crash on unitone and is wrong in other cases.
 void InsetMathFrac::mathematica(MathematicaStream & os) const
 {
+       if (nargs() != 2) {
+               // Someone who knows about mathematica should fix this.
+               LASSERT(false, return);
+       }
        os << '(' << cell(0) << ")/(" << cell(1) << ')';
 }
 
 
-// FIXME This will crash on unitone and is wrong in other cases.
 void InsetMathFrac::octave(OctaveStream & os) const
 {
+       if (nargs() != 2) {
+               // Someone who knows about octave should fix this.
+               LASSERT(false, return);
+       }
        os << '(' << cell(0) << ")/(" << cell(1) << ')';
 }