mirror of
https://github.com/opencv/opencv.git
synced 2024-11-30 22:40:17 +08:00
541 lines
11 KiB
C++
541 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions 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.
|
|
// * Neither the name of Industrial Light & Magic nor the names of
|
|
// its contributors may 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 COPYRIGHT
|
|
// OWNER 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.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Specializations of the Vec2<T> and Vec3<T> templates.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#include "ImathVec.h"
|
|
|
|
#if (defined _WIN32 || defined _WIN64) && defined _MSC_VER
|
|
// suppress exception specification warnings
|
|
#pragma warning(disable:4290)
|
|
#endif
|
|
|
|
|
|
namespace Imath {
|
|
|
|
namespace
|
|
{
|
|
|
|
template<class T>
|
|
bool
|
|
normalizeOrThrow(Vec2<T> &v)
|
|
{
|
|
int axis = -1;
|
|
for (int i = 0; i < 2; i ++)
|
|
{
|
|
if (v[i] != 0)
|
|
{
|
|
if (axis != -1)
|
|
{
|
|
throw IntVecNormalizeExc ("Cannot normalize an integer "
|
|
"vector unless it is parallel "
|
|
"to a principal axis");
|
|
}
|
|
axis = i;
|
|
}
|
|
}
|
|
v[axis] = (v[axis] > 0) ? 1 : -1;
|
|
return true;
|
|
}
|
|
|
|
|
|
template<class T>
|
|
bool
|
|
normalizeOrThrow(Vec3<T> &v)
|
|
{
|
|
int axis = -1;
|
|
for (int i = 0; i < 3; i ++)
|
|
{
|
|
if (v[i] != 0)
|
|
{
|
|
if (axis != -1)
|
|
{
|
|
throw IntVecNormalizeExc ("Cannot normalize an integer "
|
|
"vector unless it is parallel "
|
|
"to a principal axis");
|
|
}
|
|
axis = i;
|
|
}
|
|
}
|
|
v[axis] = (v[axis] > 0) ? 1 : -1;
|
|
return true;
|
|
}
|
|
|
|
|
|
template<class T>
|
|
bool
|
|
normalizeOrThrow(Vec4<T> &v)
|
|
{
|
|
int axis = -1;
|
|
for (int i = 0; i < 4; i ++)
|
|
{
|
|
if (v[i] != 0)
|
|
{
|
|
if (axis != -1)
|
|
{
|
|
throw IntVecNormalizeExc ("Cannot normalize an integer "
|
|
"vector unless it is parallel "
|
|
"to a principal axis");
|
|
}
|
|
axis = i;
|
|
}
|
|
}
|
|
v[axis] = (v[axis] > 0) ? 1 : -1;
|
|
return true;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// Vec2<short>
|
|
|
|
template <>
|
|
short
|
|
Vec2<short>::length () const
|
|
{
|
|
float lenF = Math<float>::sqrt ((float)dot (*this));
|
|
short lenS = (short) (lenF + 0.5f);
|
|
return lenS;
|
|
}
|
|
|
|
template <>
|
|
const Vec2<short> &
|
|
Vec2<short>::normalize ()
|
|
{
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec2<short> &
|
|
Vec2<short>::normalizeExc () throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec2<short> &
|
|
Vec2<short>::normalizeNonNull ()
|
|
{
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
Vec2<short>
|
|
Vec2<short>::normalized () const
|
|
{
|
|
Vec2<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec2<short>
|
|
Vec2<short>::normalizedExc () const throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
Vec2<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec2<short>
|
|
Vec2<short>::normalizedNonNull () const
|
|
{
|
|
Vec2<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
|
|
// Vec2<int>
|
|
|
|
template <>
|
|
int
|
|
Vec2<int>::length () const
|
|
{
|
|
float lenF = Math<float>::sqrt ((float)dot (*this));
|
|
int lenI = (int) (lenF + 0.5f);
|
|
return lenI;
|
|
}
|
|
|
|
template <>
|
|
const Vec2<int> &
|
|
Vec2<int>::normalize ()
|
|
{
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec2<int> &
|
|
Vec2<int>::normalizeExc () throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec2<int> &
|
|
Vec2<int>::normalizeNonNull ()
|
|
{
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
Vec2<int>
|
|
Vec2<int>::normalized () const
|
|
{
|
|
Vec2<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec2<int>
|
|
Vec2<int>::normalizedExc () const throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
Vec2<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec2<int>
|
|
Vec2<int>::normalizedNonNull () const
|
|
{
|
|
Vec2<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
|
|
// Vec3<short>
|
|
|
|
template <>
|
|
short
|
|
Vec3<short>::length () const
|
|
{
|
|
float lenF = Math<float>::sqrt ((float)dot (*this));
|
|
short lenS = (short) (lenF + 0.5f);
|
|
return lenS;
|
|
}
|
|
|
|
template <>
|
|
const Vec3<short> &
|
|
Vec3<short>::normalize ()
|
|
{
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec3<short> &
|
|
Vec3<short>::normalizeExc () throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec3<short> &
|
|
Vec3<short>::normalizeNonNull ()
|
|
{
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
Vec3<short>
|
|
Vec3<short>::normalized () const
|
|
{
|
|
Vec3<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec3<short>
|
|
Vec3<short>::normalizedExc () const throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
Vec3<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec3<short>
|
|
Vec3<short>::normalizedNonNull () const
|
|
{
|
|
Vec3<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
|
|
// Vec3<int>
|
|
|
|
template <>
|
|
int
|
|
Vec3<int>::length () const
|
|
{
|
|
float lenF = Math<float>::sqrt ((float)dot (*this));
|
|
int lenI = (int) (lenF + 0.5f);
|
|
return lenI;
|
|
}
|
|
|
|
template <>
|
|
const Vec3<int> &
|
|
Vec3<int>::normalize ()
|
|
{
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec3<int> &
|
|
Vec3<int>::normalizeExc () throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec3<int> &
|
|
Vec3<int>::normalizeNonNull ()
|
|
{
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
Vec3<int>
|
|
Vec3<int>::normalized () const
|
|
{
|
|
Vec3<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec3<int>
|
|
Vec3<int>::normalizedExc () const throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
Vec3<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec3<int>
|
|
Vec3<int>::normalizedNonNull () const
|
|
{
|
|
Vec3<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
|
|
// Vec4<short>
|
|
|
|
template <>
|
|
short
|
|
Vec4<short>::length () const
|
|
{
|
|
float lenF = Math<float>::sqrt ((float)dot (*this));
|
|
short lenS = (short) (lenF + 0.5f);
|
|
return lenS;
|
|
}
|
|
|
|
template <>
|
|
const Vec4<short> &
|
|
Vec4<short>::normalize ()
|
|
{
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec4<short> &
|
|
Vec4<short>::normalizeExc () throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0) && (w == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec4<short> &
|
|
Vec4<short>::normalizeNonNull ()
|
|
{
|
|
normalizeOrThrow<short>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
Vec4<short>
|
|
Vec4<short>::normalized () const
|
|
{
|
|
Vec4<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec4<short>
|
|
Vec4<short>::normalizedExc () const throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0) && (w == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
Vec4<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec4<short>
|
|
Vec4<short>::normalizedNonNull () const
|
|
{
|
|
Vec4<short> v(*this);
|
|
normalizeOrThrow<short>(v);
|
|
return v;
|
|
}
|
|
|
|
|
|
// Vec4<int>
|
|
|
|
template <>
|
|
int
|
|
Vec4<int>::length () const
|
|
{
|
|
float lenF = Math<float>::sqrt ((float)dot (*this));
|
|
int lenI = (int) (lenF + 0.5f);
|
|
return lenI;
|
|
}
|
|
|
|
template <>
|
|
const Vec4<int> &
|
|
Vec4<int>::normalize ()
|
|
{
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec4<int> &
|
|
Vec4<int>::normalizeExc () throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0) && (w == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
const Vec4<int> &
|
|
Vec4<int>::normalizeNonNull ()
|
|
{
|
|
normalizeOrThrow<int>(*this);
|
|
return *this;
|
|
}
|
|
|
|
template <>
|
|
Vec4<int>
|
|
Vec4<int>::normalized () const
|
|
{
|
|
Vec4<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec4<int>
|
|
Vec4<int>::normalizedExc () const throw (Iex::MathExc)
|
|
{
|
|
if ((x == 0) && (y == 0) && (z == 0) && (w == 0))
|
|
throw NullVecExc ("Cannot normalize null vector.");
|
|
|
|
Vec4<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
template <>
|
|
Vec4<int>
|
|
Vec4<int>::normalizedNonNull () const
|
|
{
|
|
Vec4<int> v(*this);
|
|
normalizeOrThrow<int>(v);
|
|
return v;
|
|
}
|
|
|
|
} // namespace Imath
|