X-Git-Url: http://woldlab.caltech.edu/gitweb/?p=mussa.git;a=blobdiff_plain;f=mussa_exceptions.hpp;h=3c44e6061705d1c370d4158eb8aa70791e6fd23f;hp=9027a079a3b709552cec72272d50834d81476a94;hb=7d4fbcb6060a60a8ea25ca1303fcaaaf8574f24a;hpb=ba0d9d232948802b2117e5fbd08289d9ebaac4f9

diff --git a/mussa_exceptions.hpp b/mussa_exceptions.hpp
index 9027a07..3c44e60 100644
--- a/mussa_exceptions.hpp
+++ b/mussa_exceptions.hpp
@@ -63,6 +63,14 @@ public:
     sequence_load_error(msg) {};
 };
 
+//! Incomprehensible comparison
+class sequence_invalid_comparison : public mussa_error
+{
+public:
+  explicit sequence_invalid_comparison(const std::string& msg) :
+    mussa_error(msg) {};
+};
+
 //! Error loading sequence annotation
 class annotation_load_error : public sequence_load_error
 {