'roundf()' wasn't introduced in MSVC until VS2013 - so for the time being, let's emulate it using 'floorf()'

2 files changed, 19 insertions, 0 deletions

diff --git a/libs/pbd/msvc/msvc_pbd.cc b/libs/pbd/msvc/msvc_pbd.cc
index f49ac5393c..68596e3463 100644
--- a/libs/pbd/msvc/msvc_pbd.cc
+++ b/libs/pbd/msvc/msvc_pbd.cc
@@ -225,6 +225,24 @@ ssize_t ret;
 
 //***************************************************************
 //
+//	roundf()
+//
+// Emulates roundf() using floorf().
+//
+//	Returns:
+//
+//    On Success: The largest integer that is less than or
+//                equal to 'x'.
+//    On Failure: None
+//
+LIBPBD_API float PBD_APICALLTYPE
+roundf(float x)
+{
+	return (floorf(x));
+}
+
+//***************************************************************
+//
 //	round()
 //
 // Emulates round() using floor().
diff --git a/libs/pbd/pbd/msvc_pbd.h b/libs/pbd/pbd/msvc_pbd.h
index 5a6b550242..1a017fcb8a 100644
--- a/libs/pbd/pbd/msvc_pbd.h
+++ b/libs/pbd/pbd/msvc_pbd.h
@@ -230,6 +230,7 @@ LIBPBD_API int				__cdecl         gettimeofday(struct timeval *__restrict tv, __
 LIBPBD_API ssize_t			PBD_APICALLTYPE pread(int handle, void *buf, size_t nbytes, off_t offset);
 LIBPBD_API ssize_t			PBD_APICALLTYPE pwrite(int handle, const void *buf, size_t nbytes, off_t offset);
 LIBPBD_API int				PBD_APICALLTYPE poll(struct pollfd *fds, nfds_t nfds, int timeout);
+LIBPBD_API float			PBD_APICALLTYPE roundf(float x);
 LIBPBD_API double			PBD_APICALLTYPE round(double x);
 LIBPBD_API double			PBD_APICALLTYPE trunc(double x);