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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_PORTS_MSVC_H_
#define AOM_PORTS_MSVC_H_
#ifdef _MSC_VER
#include "./aom_config.h"
#if _MSC_VER < 1900 // VS2015 provides snprintf
#define snprintf _snprintf
#endif // _MSC_VER < 1900
#if _MSC_VER < 1800 // VS2013 provides round
#include <math.h>
static INLINE double round(double x) {
if (x < 0)
return ceil(x - 0.5);
else
return floor(x + 0.5);
}
static INLINE float roundf(float x) {
if (x < 0)
return (float)ceil(x - 0.5f);
else
return (float)floor(x + 0.5f);
}
static INLINE long lroundf(float x) {
if (x < 0)
return (long)(x - 0.5f);
else
return (long)(x + 0.5f);
}
#endif // _MSC_VER < 1800
#if HAVE_AVX
#include <immintrin.h>
// Note:
// _mm256_insert_epi16 intrinsics is available from vs2017.
// We define this macro for vs2015 and earlier. The
// intrinsics used here are in vs2015 document:
// https://msdn.microsoft.com/en-us/library/hh977022.aspx
// Input parameters:
// a: __m256i,
// d: int16_t,
// indx: imm8 (0 - 15)
#if _MSC_VER <= 1900
#define _mm256_insert_epi16(a, d, indx) \
_mm256_insertf128_si256( \
a, \
_mm_insert_epi16(_mm256_extractf128_si256(a, indx >> 3), d, indx % 8), \
indx >> 3)
#endif // _MSC_VER <= 1900
#endif // HAVE_AVX
#endif // _MSC_VER
#endif // AOM_PORTS_MSVC_H_
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