Emulate 'log1p()' and 'expm1()' using 'log()' and 'exp()'

[ardour.git] / libs / pbd / pbd / epa.h

diff --git a/libs/pbd/pbd/epa.h b/libs/pbd/pbd/epa.h
index ffcd78504a93e4806b5b443175b2278e65e5dd11..8727fad08e115931475485fa5c0b65ce4e0031fb 100644 (file)
--- a/libs/pbd/pbd/epa.h
+++ b/libs/pbd/pbd/epa.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2010 Paul Davis 
+    Copyright (C) 2010 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -23,21 +23,25 @@
 #include <map>
 #include <string>
 
+#include "pbd/libpbd_visibility.h"
+
 namespace PBD {
 
-class EnvironmentalProtectionAgency {
+class LIBPBD_API EnvironmentalProtectionAgency {
   public:
         EnvironmentalProtectionAgency (bool arm = true, const std::string& envname = std::string());
         ~EnvironmentalProtectionAgency ();
-        
+
         void arm ();
         void save ();
         void restore () const;
-        
+
         static EnvironmentalProtectionAgency* get_global_epa () { return _global_epa; }
         static void set_global_epa (EnvironmentalProtectionAgency* epa) { _global_epa = epa; }
-        
+
   private:
+        void clear () const;
+
         bool _armed;
         std::string _envname;
         std::map<std::string,std::string> e;