ref: 47fa1bf8fc8b46c21db21233b43a6cde186773a8
parent: 61dee13337cd11360081205d9ea8ed84afec5854
author: Erik de Castro Lopo <[email protected]>
date: Mon Sep 27 07:47:58 EDT 2010
src/float_cast.h : Add lrint/lrintf version for Win64. Thanks to Dmitry Baikov.
--- a/src/float_cast.h
+++ b/src/float_cast.h
@@ -1,5 +1,5 @@
/*
-** Copyright (C) 2001-2009 Erik de Castro Lopo <[email protected]>
+** Copyright (C) 2001-2010 Erik de Castro Lopo <[email protected]>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
@@ -16,7 +16,7 @@
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-/* Version 1.4 */
+/* Version 1.5 */
#ifndef FLOAT_CAST_HEADER
#define FLOAT_CAST_HEADER
@@ -120,6 +120,32 @@
return retval ;
} /* float2int */
+
+#elif (defined (WIN64) || defined(_WIN64))
+
+ /* Win64 section should be places before Win32 one, because
+ ** most likely both WIN32 and WIN64 will be defined in 64-bit case.
+ */
+
+ #include <math.h>
+
+ /* Win64 doesn't seem to have these functions, nor inline assembly.
+ ** Therefore implement inline versions of these functions here.
+ */
+ #include <emmintrin.h>
+ #include <mmintrin.h>
+
+ __inline long int
+ lrint(double flt)
+ {+ return _mm_cvtsd_si32(_mm_load_sd(&flt));
+ }
+
+ __inline long int
+ lrintf(float flt)
+ {+ return _mm_cvtss_si32(_mm_load_ss(&flt));
+ }
#elif (defined (WIN32) || defined (_WIN32))