opencv/3rdparty/carotene/src/min_max.cpp

140 lines
5.0 KiB
C++

/*
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*
*
* License Agreement
* For Open Source Computer Vision Library
* (3-clause BSD License)
*
* Copyright (C) 2014, NVIDIA Corporation, all rights reserved.
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* are permitted provided that the following conditions are met:
*
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* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
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#include <algorithm>
#include "common.hpp"
#include "vtransform.hpp"
namespace CAROTENE_NS {
#ifdef CAROTENE_NEON
namespace {
template <typename T>
struct Min
{
typedef T type;
void operator() (const typename internal::VecTraits<T>::vec128 & v_src0,
const typename internal::VecTraits<T>::vec128 & v_src1,
typename internal::VecTraits<T>::vec128 & v_dst) const
{
v_dst = internal::vminq(v_src0, v_src1);
}
void operator() (const typename internal::VecTraits<T>::vec64 & v_src0,
const typename internal::VecTraits<T>::vec64 & v_src1,
typename internal::VecTraits<T>::vec64 & v_dst) const
{
v_dst = internal::vmin(v_src0, v_src1);
}
void operator() (const T * src0, const T * src1, T * dst) const
{
dst[0] = std::min(src0[0], src1[0]);
}
};
template <typename T>
struct Max
{
typedef T type;
void operator() (const typename internal::VecTraits<T>::vec128 & v_src0,
const typename internal::VecTraits<T>::vec128 & v_src1,
typename internal::VecTraits<T>::vec128 & v_dst) const
{
v_dst = internal::vmaxq(v_src0, v_src1);
}
void operator() (const typename internal::VecTraits<T>::vec64 & v_src0,
const typename internal::VecTraits<T>::vec64 & v_src1,
typename internal::VecTraits<T>::vec64 & v_dst) const
{
v_dst = internal::vmax(v_src0, v_src1);
}
void operator() (const T * src0, const T * src1, T * dst) const
{
dst[0] = std::max(src0[0], src1[0]);
}
};
} // namespace
#define IMPL_OP(fun, op, type) \
void fun(const Size2D &size, \
const type * src0Base, ptrdiff_t src0Stride, \
const type * src1Base, ptrdiff_t src1Stride, \
type * dstBase, ptrdiff_t dstStride) \
{ \
internal::assertSupportedConfiguration(); \
internal::vtransform(size, \
src0Base, src0Stride, \
src1Base, src1Stride, \
dstBase, dstStride, op<type>()); \
}
#else
#define IMPL_OP(fun, op, type) \
void fun(const Size2D &, \
const type *, ptrdiff_t, \
const type *, ptrdiff_t, \
type *, ptrdiff_t) \
{ \
internal::assertSupportedConfiguration(); \
}
#endif
#define IMPL_MINMAX(type) IMPL_OP(min, Min, type) IMPL_OP(max, Max, type)
IMPL_MINMAX(u8)
IMPL_MINMAX(s8)
IMPL_MINMAX(u16)
IMPL_MINMAX(s16)
IMPL_MINMAX(u32)
IMPL_MINMAX(s32)
IMPL_MINMAX(f32)
} // namespace CAROTENE_NS