| /* |
| --------------------------------------------------------------------------- |
| Open Asset Import Library (assimp) |
| --------------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, assimp team |
| |
| |
| All rights reserved. |
| |
| Redistribution and use of this software 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 the assimp team, nor the names of its |
| contributors may be used to endorse or promote products |
| derived from this software without specific prior |
| written permission of the assimp team. |
| |
| 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. |
| --------------------------------------------------------------------------- |
| */ |
| |
| /** @file vector2.inl |
| * @brief Inline implementation of aiVector2t<TReal> operators |
| */ |
| #pragma once |
| #ifndef AI_VECTOR2D_INL_INC |
| #define AI_VECTOR2D_INL_INC |
| |
| #ifdef __cplusplus |
| #include "vector2.h" |
| |
| #include <cmath> |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| template <typename TOther> |
| aiVector2t<TReal>::operator aiVector2t<TOther> () const { |
| return aiVector2t<TOther>(static_cast<TOther>(x),static_cast<TOther>(y)); |
| } |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| void aiVector2t<TReal>::Set( TReal pX, TReal pY) { |
| x = pX; y = pY; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| TReal aiVector2t<TReal>::SquareLength() const { |
| return x*x + y*y; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| TReal aiVector2t<TReal>::Length() const { |
| return std::sqrt( SquareLength()); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| aiVector2t<TReal>& aiVector2t<TReal>::Normalize() { |
| *this /= Length(); |
| return *this; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| const aiVector2t<TReal>& aiVector2t<TReal>::operator += (const aiVector2t& o) { |
| x += o.x; y += o.y; |
| return *this; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| const aiVector2t<TReal>& aiVector2t<TReal>::operator -= (const aiVector2t& o) { |
| x -= o.x; y -= o.y; |
| return *this; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| const aiVector2t<TReal>& aiVector2t<TReal>::operator *= (TReal f) { |
| x *= f; y *= f; |
| return *this; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| const aiVector2t<TReal>& aiVector2t<TReal>::operator /= (TReal f) { |
| x /= f; y /= f; |
| return *this; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| TReal aiVector2t<TReal>::operator[](unsigned int i) const { |
| return *(&x + i); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| TReal& aiVector2t<TReal>::operator[](unsigned int i) { |
| return *(&x + i); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| bool aiVector2t<TReal>::operator== (const aiVector2t& other) const { |
| return x == other.x && y == other.y; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| bool aiVector2t<TReal>::operator!= (const aiVector2t& other) const { |
| return x != other.x || y != other.y; |
| } |
| |
| // --------------------------------------------------------------------------- |
| template<typename TReal> |
| bool aiVector2t<TReal>::Equal(const aiVector2t& other, TReal epsilon) const { |
| return |
| std::abs(x - other.x) <= epsilon && |
| std::abs(y - other.y) <= epsilon; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| aiVector2t<TReal>& aiVector2t<TReal>::operator= (TReal f) { |
| x = y = f; |
| return *this; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| template <typename TReal> |
| const aiVector2t<TReal> aiVector2t<TReal>::SymMul(const aiVector2t& o) { |
| return aiVector2t(x*o.x,y*o.y); |
| } |
| |
| |
| // ------------------------------------------------------------------------------------------------ |
| // symmetric addition |
| template <typename TReal> |
| inline aiVector2t<TReal> operator + (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2) |
| { |
| return aiVector2t<TReal>( v1.x + v2.x, v1.y + v2.y); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // symmetric subtraction |
| template <typename TReal> |
| inline aiVector2t<TReal> operator - (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2) |
| { |
| return aiVector2t<TReal>( v1.x - v2.x, v1.y - v2.y); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // scalar product |
| template <typename TReal> |
| inline TReal operator * (const aiVector2t<TReal>& v1, const aiVector2t<TReal>& v2) |
| { |
| return v1.x*v2.x + v1.y*v2.y; |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // scalar multiplication |
| template <typename TReal> |
| inline aiVector2t<TReal> operator * ( TReal f, const aiVector2t<TReal>& v) |
| { |
| return aiVector2t<TReal>( f*v.x, f*v.y); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // and the other way around |
| template <typename TReal> |
| inline aiVector2t<TReal> operator * ( const aiVector2t<TReal>& v, TReal f) |
| { |
| return aiVector2t<TReal>( f*v.x, f*v.y); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // scalar division |
| template <typename TReal> |
| inline aiVector2t<TReal> operator / ( const aiVector2t<TReal>& v, TReal f) |
| { |
| |
| return v * (1/f); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // vector division |
| template <typename TReal> |
| inline aiVector2t<TReal> operator / ( const aiVector2t<TReal>& v, const aiVector2t<TReal>& v2) |
| { |
| return aiVector2t<TReal>(v.x / v2.x,v.y / v2.y); |
| } |
| |
| // ------------------------------------------------------------------------------------------------ |
| // vector negation |
| template <typename TReal> |
| inline aiVector2t<TReal> operator - ( const aiVector2t<TReal>& v) |
| { |
| return aiVector2t<TReal>( -v.x, -v.y); |
| } |
| |
| #endif |
| |
| #endif // AI_VECTOR2D_INL_INC |