228 lines
7.8 KiB
C++
228 lines
7.8 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2017, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file vector2.inl
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* @brief Inline implementation of aiVector2t<TReal> operators
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*/
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#pragma once
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#ifndef AI_VECTOR2D_INL_INC
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#define AI_VECTOR2D_INL_INC
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#ifdef __cplusplus
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#include "vector2.h"
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#include <cmath>
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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template <typename TOther>
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aiVector2t<TReal>::operator aiVector2t<TOther> () const {
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return aiVector2t<TOther>(static_cast<TOther>(x),static_cast<TOther>(y));
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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void aiVector2t<TReal>::Set( TReal pX, TReal pY) {
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x = pX; y = pY;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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TReal aiVector2t<TReal>::SquareLength() const {
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return x*x + y*y;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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TReal aiVector2t<TReal>::Length() const {
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return std::sqrt( SquareLength());
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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aiVector2t<TReal>& aiVector2t<TReal>::Normalize() {
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*this /= Length();
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return *this;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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const aiVector2t<TReal>& aiVector2t<TReal>::operator += (const aiVector2t& o) {
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x += o.x; y += o.y;
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return *this;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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const aiVector2t<TReal>& aiVector2t<TReal>::operator -= (const aiVector2t& o) {
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x -= o.x; y -= o.y;
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return *this;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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const aiVector2t<TReal>& aiVector2t<TReal>::operator *= (TReal f) {
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x *= f; y *= f;
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return *this;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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const aiVector2t<TReal>& aiVector2t<TReal>::operator /= (TReal f) {
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x /= f; y /= f;
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return *this;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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TReal aiVector2t<TReal>::operator[](unsigned int i) const {
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return *(&x + i);
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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TReal& aiVector2t<TReal>::operator[](unsigned int i) {
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return *(&x + i);
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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bool aiVector2t<TReal>::operator== (const aiVector2t& other) const {
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return x == other.x && y == other.y;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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bool aiVector2t<TReal>::operator!= (const aiVector2t& other) const {
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return x != other.x || y != other.y;
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}
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// ---------------------------------------------------------------------------
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template<typename TReal>
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bool aiVector2t<TReal>::Equal(const aiVector2t& other, TReal epsilon) const {
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return
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std::abs(x - other.x) <= epsilon &&
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std::abs(y - other.y) <= epsilon;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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aiVector2t<TReal>& aiVector2t<TReal>::operator= (TReal f) {
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x = y = f;
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return *this;
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}
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// ------------------------------------------------------------------------------------------------
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template <typename TReal>
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const aiVector2t<TReal> aiVector2t<TReal>::SymMul(const aiVector2t& o) {
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return aiVector2t(x*o.x,y*o.y);
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}
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// ------------------------------------------------------------------------------------------------
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// symmetric addition
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template <typename TReal>
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inline aiVector2t<TReal> operator + (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2)
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{
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return aiVector2t<TReal>( v1.x + v2.x, v1.y + v2.y);
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}
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// ------------------------------------------------------------------------------------------------
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// symmetric subtraction
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template <typename TReal>
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inline aiVector2t<TReal> operator - (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2)
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{
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return aiVector2t<TReal>( v1.x - v2.x, v1.y - v2.y);
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}
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// ------------------------------------------------------------------------------------------------
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// scalar product
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template <typename TReal>
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inline TReal operator * (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2)
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{
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return v1.x*v2.x + v1.y*v2.y;
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}
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// ------------------------------------------------------------------------------------------------
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// scalar multiplication
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template <typename TReal>
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inline aiVector2t<TReal> operator * ( TReal f, const aiVector2t<TReal>& v)
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{
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return aiVector2t<TReal>( f*v.x, f*v.y);
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}
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// ------------------------------------------------------------------------------------------------
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// and the other way around
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template <typename TReal>
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inline aiVector2t<TReal> operator * ( const aiVector2t<TReal>& v, TReal f)
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{
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return aiVector2t<TReal>( f*v.x, f*v.y);
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}
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// ------------------------------------------------------------------------------------------------
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// scalar division
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template <typename TReal>
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inline aiVector2t<TReal> operator / ( const aiVector2t<TReal>& v, TReal f)
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{
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return v * (1/f);
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}
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// ------------------------------------------------------------------------------------------------
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// vector division
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template <typename TReal>
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inline aiVector2t<TReal> operator / ( const aiVector2t<TReal>& v, const aiVector2t<TReal>& v2)
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{
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return aiVector2t<TReal>(v.x / v2.x,v.y / v2.y);
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}
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// ------------------------------------------------------------------------------------------------
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// vector negation
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template <typename TReal>
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inline aiVector2t<TReal> operator - ( const aiVector2t<TReal>& v)
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{
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return aiVector2t<TReal>( -v.x, -v.y);
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}
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#endif
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#endif // AI_VECTOR2D_INL_INC
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