| /* |
| Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, Inc. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| THE SOFTWARE. |
| */ |
| |
| #pragma once |
| #ifndef O3DGC_VECTOR_H |
| #define O3DGC_VECTOR_H |
| |
| #include "o3dgcCommon.h" |
| |
| namespace o3dgc |
| { |
| const unsigned long O3DGC_DEFAULT_VECTOR_SIZE = 32; |
| |
| //! |
| template < typename T > class Vector |
| { |
| public: |
| //! Constructor. |
| Vector() |
| { |
| m_allocated = 0; |
| m_size = 0; |
| m_buffer = 0; |
| }; |
| //! Destructor. |
| ~Vector(void) |
| { |
| delete [] m_buffer; |
| }; |
| T & operator[](unsigned long i) |
| { |
| return m_buffer[i]; |
| } |
| const T & operator[](unsigned long i) const |
| { |
| return m_buffer[i]; |
| } |
| void Allocate(unsigned long size) |
| { |
| if (size > m_allocated) |
| { |
| m_allocated = size; |
| T * tmp = new T [m_allocated]; |
| if (m_size > 0) |
| { |
| memcpy(tmp, m_buffer, m_size * sizeof(T) ); |
| delete [] m_buffer; |
| } |
| m_buffer = tmp; |
| } |
| }; |
| void PushBack(const T & value) |
| { |
| if (m_size == m_allocated) |
| { |
| m_allocated *= 2; |
| if (m_allocated < O3DGC_DEFAULT_VECTOR_SIZE) |
| { |
| m_allocated = O3DGC_DEFAULT_VECTOR_SIZE; |
| } |
| T * tmp = new T [m_allocated]; |
| if (m_size > 0) |
| { |
| memcpy(tmp, m_buffer, m_size * sizeof(T) ); |
| delete [] m_buffer; |
| } |
| m_buffer = tmp; |
| } |
| assert(m_size < m_allocated); |
| m_buffer[m_size++] = value; |
| } |
| const T * GetBuffer() const { return m_buffer;}; |
| T * GetBuffer() { return m_buffer;}; |
| unsigned long GetSize() const { return m_size;}; |
| void SetSize(unsigned long size) |
| { |
| assert(size <= m_allocated); |
| m_size = size; |
| }; |
| unsigned long GetAllocatedSize() const { return m_allocated;}; |
| void Clear(){ m_size = 0;}; |
| |
| private: |
| T * m_buffer; |
| unsigned long m_allocated; |
| unsigned long m_size; |
| }; |
| |
| |
| |
| |
| //! Vector dim 3. |
| template < typename T > class Vec3 |
| { |
| public: |
| T & operator[](unsigned long i) { return m_data[i];} |
| const T & operator[](unsigned long i) const { return m_data[i];} |
| T & X(); |
| T & Y(); |
| T & Z(); |
| const T & X() const; |
| const T & Y() const; |
| const T & Z() const; |
| double GetNorm() const; |
| void operator= (const Vec3 & rhs); |
| void operator+=(const Vec3 & rhs); |
| void operator-=(const Vec3 & rhs); |
| void operator-=(T a); |
| void operator+=(T a); |
| void operator/=(T a); |
| void operator*=(T a); |
| Vec3 operator^ (const Vec3 & rhs) const; |
| T operator* (const Vec3 & rhs) const; |
| Vec3 operator+ (const Vec3 & rhs) const; |
| Vec3 operator- (const Vec3 & rhs) const; |
| Vec3 operator- () const; |
| Vec3 operator* (T rhs) const; |
| Vec3 operator/ (T rhs) const; |
| Vec3(); |
| Vec3(T a); |
| Vec3(T x, T y, T z); |
| Vec3(const Vec3 & rhs); |
| ~Vec3(void); |
| |
| private: |
| T m_data[3]; |
| }; |
| //! Vector dim 2. |
| template < typename T > class Vec2 |
| { |
| public: |
| T & operator[](unsigned long i) { return m_data[i];} |
| const T & operator[](unsigned long i) const { return m_data[i];} |
| T & X(); |
| T & Y(); |
| const T & X() const; |
| const T & Y() const; |
| double GetNorm() const; |
| void operator= (const Vec2 & rhs); |
| void operator+=(const Vec2 & rhs); |
| void operator-=(const Vec2 & rhs); |
| void operator-=(T a); |
| void operator+=(T a); |
| void operator/=(T a); |
| void operator*=(T a); |
| T operator^ (const Vec2 & rhs) const; |
| T operator* (const Vec2 & rhs) const; |
| Vec2 operator+ (const Vec2 & rhs) const; |
| Vec2 operator- (const Vec2 & rhs) const; |
| Vec2 operator- () const; |
| Vec2 operator* (T rhs) const; |
| Vec2 operator/ (T rhs) const; |
| Vec2(); |
| Vec2(T a); |
| Vec2(T x, T y); |
| Vec2(const Vec2 & rhs); |
| ~Vec2(void); |
| |
| private: |
| T m_data[2]; |
| }; |
| } |
| #include "o3dgcVector.inl" // template implementation |
| #endif // O3DGC_VECTOR_H |
| |