ENH: two boolean constants

Modules/Core/Common/include/otbUtils.h

@@ -51,6 +51,9 @@ namespace Utils
   /** Function that prints nothing (useful to disable libsvm logs)*/
   void OTBCommon_EXPORT PrintNothing(const char *s);
 
+  extern OTBCommon_EXPORT bool const TrueConstant;
+
+  extern OTBCommon_EXPORT bool const FalseConstant;
 }
 
 } // namespace otb

Modules/Core/Common/src/otbUtils.cxx

@@ -41,6 +41,10 @@ void PrintNothing(const char * /* s */)
 {
 }
 
+bool const TrueConstant = true;
+
+bool const FalseConstant = false;
+
 }
 
 }