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-rw-r--r--gtk2_ardour/automation_line.cc6
1 files changed, 1 insertions, 5 deletions
diff --git a/gtk2_ardour/automation_line.cc b/gtk2_ardour/automation_line.cc
index 2551b40c75..9fe1e0fa19 100644
--- a/gtk2_ardour/automation_line.cc
+++ b/gtk2_ardour/automation_line.cc
@@ -19,13 +19,9 @@
#ifdef COMPILER_MSVC
#include <float.h>
-
-// 'std::isinf()' and 'std::isnan()' are not available in MSVC.
+/* isinf() & isnan() are C99 standards, which older MSVC doesn't provide */
#define isinf(val) !((bool)_finite((double)val))
#define isnan(val) (bool)_isnan((double)val)
-#else
-using std::isnan;
-using std::isinf;
#endif
#include <cmath>