Diff: opencv2/core/hal/intrin.hpp

Revision:

0:ea44dc9ed014

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/opencv2/core/hal/intrin.hpp	Thu Mar 31 21:16:38 2016 +0000
@@ -0,0 +1,321 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Copyright (C) 2015, Itseez Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef __OPENCV_HAL_INTRIN_HPP__
+#define __OPENCV_HAL_INTRIN_HPP__
+
+#include <cmath>
+#include <float.h>
+#include <stdlib.h>
+#include "opencv2/core/cvdef.h"
+
+#define OPENCV_HAL_ADD(a, b) ((a) + (b))
+#define OPENCV_HAL_AND(a, b) ((a) & (b))
+#define OPENCV_HAL_NOP(a) (a)
+#define OPENCV_HAL_1ST(a, b) (a)
+
+// unlike HAL API, which is in cv::hal,
+// we put intrinsics into cv namespace to make its
+// access from within opencv code more accessible
+namespace cv {
+
+//! @addtogroup core_hal_intrin
+//! @{
+
+//! @cond IGNORED
+template<typename _Tp> struct V_TypeTraits
+{
+    typedef _Tp int_type;
+    typedef _Tp uint_type;
+    typedef _Tp abs_type;
+    typedef _Tp sum_type;
+
+    enum { delta = 0, shift = 0 };
+
+    static int_type reinterpret_int(_Tp x) { return x; }
+    static uint_type reinterpet_uint(_Tp x) { return x; }
+    static _Tp reinterpret_from_int(int_type x) { return (_Tp)x; }
+};
+
+template<> struct V_TypeTraits<uchar>
+{
+    typedef uchar value_type;
+    typedef schar int_type;
+    typedef uchar uint_type;
+    typedef uchar abs_type;
+    typedef int sum_type;
+
+    typedef ushort w_type;
+    typedef unsigned q_type;
+
+    enum { delta = 128, shift = 8 };
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<schar>
+{
+    typedef schar value_type;
+    typedef schar int_type;
+    typedef uchar uint_type;
+    typedef uchar abs_type;
+    typedef int sum_type;
+
+    typedef short w_type;
+    typedef int q_type;
+
+    enum { delta = 128, shift = 8 };
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<ushort>
+{
+    typedef ushort value_type;
+    typedef short int_type;
+    typedef ushort uint_type;
+    typedef ushort abs_type;
+    typedef int sum_type;
+
+    typedef unsigned w_type;
+    typedef uchar nu_type;
+
+    enum { delta = 32768, shift = 16 };
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<short>
+{
+    typedef short value_type;
+    typedef short int_type;
+    typedef ushort uint_type;
+    typedef ushort abs_type;
+    typedef int sum_type;
+
+    typedef int w_type;
+    typedef uchar nu_type;
+    typedef schar n_type;
+
+    enum { delta = 128, shift = 8 };
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<unsigned>
+{
+    typedef unsigned value_type;
+    typedef int int_type;
+    typedef unsigned uint_type;
+    typedef unsigned abs_type;
+    typedef unsigned sum_type;
+
+    typedef uint64 w_type;
+    typedef ushort nu_type;
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<int>
+{
+    typedef int value_type;
+    typedef int int_type;
+    typedef unsigned uint_type;
+    typedef unsigned abs_type;
+    typedef int sum_type;
+
+    typedef int64 w_type;
+    typedef short n_type;
+    typedef ushort nu_type;
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<uint64>
+{
+    typedef uint64 value_type;
+    typedef int64 int_type;
+    typedef uint64 uint_type;
+    typedef uint64 abs_type;
+    typedef uint64 sum_type;
+
+    typedef unsigned nu_type;
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+template<> struct V_TypeTraits<int64>
+{
+    typedef int64 value_type;
+    typedef int64 int_type;
+    typedef uint64 uint_type;
+    typedef uint64 abs_type;
+    typedef int64 sum_type;
+
+    typedef int nu_type;
+
+    static int_type reinterpret_int(value_type x) { return (int_type)x; }
+    static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
+    static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
+};
+
+
+template<> struct V_TypeTraits<float>
+{
+    typedef float value_type;
+    typedef int int_type;
+    typedef unsigned uint_type;
+    typedef float abs_type;
+    typedef float sum_type;
+
+    typedef double w_type;
+
+    static int_type reinterpret_int(value_type x)
+    {
+        Cv32suf u;
+        u.f = x;
+        return u.i;
+    }
+    static uint_type reinterpet_uint(value_type x)
+    {
+        Cv32suf u;
+        u.f = x;
+        return u.u;
+    }
+    static value_type reinterpret_from_int(int_type x)
+    {
+        Cv32suf u;
+        u.i = x;
+        return u.f;
+    }
+};
+
+template<> struct V_TypeTraits<double>
+{
+    typedef double value_type;
+    typedef int64 int_type;
+    typedef uint64 uint_type;
+    typedef double abs_type;
+    typedef double sum_type;
+    static int_type reinterpret_int(value_type x)
+    {
+        Cv64suf u;
+        u.f = x;
+        return u.i;
+    }
+    static uint_type reinterpet_uint(value_type x)
+    {
+        Cv64suf u;
+        u.f = x;
+        return u.u;
+    }
+    static value_type reinterpret_from_int(int_type x)
+    {
+        Cv64suf u;
+        u.i = x;
+        return u.f;
+    }
+};
+
+template <typename T> struct V_SIMD128Traits
+{
+    enum { nlanes = 16 / sizeof(T) };
+};
+
+//! @endcond
+
+//! @}
+
+}
+
+#ifdef CV_DOXYGEN
+#   undef CV_SSE2
+#   undef CV_NEON
+#endif
+
+#if CV_SSE2
+
+#include "opencv2/core/hal/intrin_sse.hpp"
+
+#elif CV_NEON
+
+#include "opencv2/core/hal/intrin_neon.hpp"
+
+#else
+
+#include "opencv2/core/hal/intrin_cpp.hpp"
+
+#endif
+
+//! @addtogroup core_hal_intrin
+//! @{
+
+#ifndef CV_SIMD128
+//! Set to 1 if current compiler supports vector extensions (NEON or SSE is enabled)
+#define CV_SIMD128 0
+#endif
+
+#ifndef CV_SIMD128_64F
+//! Set to 1 if current intrinsics implementation supports 64-bit float vectors
+#define CV_SIMD128_64F 0
+#endif
+
+//! @}
+
+#endif
+