From 8b5474b9e13fde1ec6632c32f65a39ecffc5d1d5 Mon Sep 17 00:00:00 2001
From: John Emmas <johne53@tiscali.co.uk>
Date: Fri, 24 Apr 2015 19:11:10 +0100
Subject: [PATCH] For MSVC builds, implement 'rint()' and 'rintf()' to
 supplement the ones that were already implemented

---
 gtk2_ardour/export_video_dialog.cc            |  4 ----
 gtk2_ardour/processor_box.cc                  |  4 ----
 .../ardourext/float_cast.h.input              | 24 +++++++++++++++++++
 msvc_extra_headers/ardourext/misc.h.input     |  5 ----
 4 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/gtk2_ardour/export_video_dialog.cc b/gtk2_ardour/export_video_dialog.cc
index e8b823dc90..13f1f8fe4d 100644
--- a/gtk2_ardour/export_video_dialog.cc
+++ b/gtk2_ardour/export_video_dialog.cc
@@ -57,10 +57,6 @@
 #include "utils_videotl.h"
 #include "i18n.h"
 
-#ifdef COMPILER_MSVC
-#define rintf(x) round((x) + 0.5)
-#endif
-
 using namespace Gtk;
 using namespace std;
 using namespace PBD;
diff --git a/gtk2_ardour/processor_box.cc b/gtk2_ardour/processor_box.cc
index d4c240feaf..e801aaeb74 100644
--- a/gtk2_ardour/processor_box.cc
+++ b/gtk2_ardour/processor_box.cc
@@ -21,10 +21,6 @@
 #include "gtk2ardour-config.h"
 #endif
 
-#ifdef COMPILER_MSVC
-#define rintf(x) round((x) + 0.5)
-#endif
-
 #include <cmath>
 #include <iostream>
 #include <set>
diff --git a/msvc_extra_headers/ardourext/float_cast.h.input b/msvc_extra_headers/ardourext/float_cast.h.input
index 2ba3bbbe62..94433da965 100644
--- a/msvc_extra_headers/ardourext/float_cast.h.input
+++ b/msvc_extra_headers/ardourext/float_cast.h.input
@@ -56,6 +56,18 @@
 		return intgr ;
 	}
 
+	__inline double
+	rint (double flt)
+	{	long long int intgr;
+
+		_asm
+		{	fld flt
+			fistp intgr
+			} ;
+
+		return (double) intgr ;
+	}
+
 	__inline long int
 	lrintf (float flt)
 	{	int intgr;
@@ -68,6 +80,18 @@
 		return intgr ;
 	}
 
+	__inline float
+	rintf (float flt)
+	{	int intgr;
+
+		_asm
+		{	fld flt
+			fistp intgr
+			} ;
+
+		return (float) intgr ;
+	}
+
 	__inline long long int 
 	llrint (double flt)
 	{	long long int intgr;
diff --git a/msvc_extra_headers/ardourext/misc.h.input b/msvc_extra_headers/ardourext/misc.h.input
index 5da7c41564..9bcba6f327 100644
--- a/msvc_extra_headers/ardourext/misc.h.input
+++ b/msvc_extra_headers/ardourext/misc.h.input
@@ -247,11 +247,6 @@ inline int64_t abs(int64_t val) throw()
 	extern bool operator == (const Type& lhs, const Type& rhs);
 #endif
 
-// round().... Unlike Linux, Windows doesn't seem to support the
-// concept of a system-wide (or programmable) rounding direction.
-// Fortunately, 'round to nearest' seems to be the default action
-// under Linux, so let's copy that until we find out otherwise.
-#define rint(value)  round(value)
 #if !defined(LIBPBD_API) || defined(PBD_IS_IN_WIN_STATIC_LIB)
 extern  double round(double x);