From c7ddedc5b86ead3d74ffe2061ff850bf02c46edc Mon Sep 17 00:00:00 2001
From: John Emmas <johne53@tiscali.co.uk>
Date: Mon, 24 Nov 2014 12:56:07 +0000
Subject: Simulate 'trunc()' which isn't available in MSVC

(needed by 'gtk2_ardour/editor.cc')
---
 libs/pbd/msvc/msvc_pbd.cc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'libs/pbd/msvc')

diff --git a/libs/pbd/msvc/msvc_pbd.cc b/libs/pbd/msvc/msvc_pbd.cc
index 5b9c9d449a..ddef968569 100644
--- a/libs/pbd/msvc/msvc_pbd.cc
+++ b/libs/pbd/msvc/msvc_pbd.cc
@@ -241,6 +241,27 @@ round(double x)
 	return (floor(x));
 }
 
+//***************************************************************
+//
+//	trunc()
+//
+// Emulates trunc() using floor() and ceil().
+//
+//	Returns:
+//
+//    On Success: The largest integer whose magnitude is less
+//                than or equal to 'x' (regardless of sign).
+//    On Failure: None
+//
+LIBPBD_API double PBD_APICALLTYPE
+trunc(double x)
+{
+	if (x < 0)
+		return (ceil(x));
+
+	return (floor(x));
+}
+
 namespace PBD {
 
 //***************************************************************
-- 
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