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-rw-r--r--libs/pbd/configuration_variable.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/libs/pbd/configuration_variable.cc b/libs/pbd/configuration_variable.cc
index 578114e92a..cde1d15bf1 100644
--- a/libs/pbd/configuration_variable.cc
+++ b/libs/pbd/configuration_variable.cc
@@ -107,3 +107,10 @@ ConfigVariableBase::miss ()
// is set but to the same value as it already has
}
+/* Specialisation of ConfigVariable to deal with float (-inf etc)
+ * http://stackoverflow.com/questions/23374095/should-a-stringstream-parse-infinity-as-an-infinite-value
+ */
+template<> void
+ConfigVariable<float>::set_from_string (std::string const & s) {
+ value = std::strtof (s.c_str(), NULL);
+}