/usr/include/assimp/vector3.h is in libassimp-dev 4.1.0~dfsg-3.
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*/
/** @file vector3.h
* @brief 3D vector structure, including operators when compiling in C++
*/
#pragma once
#ifndef AI_VECTOR3D_H_INC
#define AI_VECTOR3D_H_INC
#ifdef __cplusplus
# include <cmath>
#else
# include <math.h>
#endif
#include "defs.h"
#ifdef __cplusplus
template<typename TReal> class aiMatrix3x3t;
template<typename TReal> class aiMatrix4x4t;
// ---------------------------------------------------------------------------
/** Represents a three-dimensional vector. */
template <typename TReal>
class aiVector3t
{
public:
aiVector3t() : x(), y(), z() {}
aiVector3t(TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {}
explicit aiVector3t (TReal _xyz ) : x(_xyz), y(_xyz), z(_xyz) {}
aiVector3t( const aiVector3t& o ) : x(o.x), y(o.y), z(o.z) {}
public:
// combined operators
const aiVector3t& operator += (const aiVector3t& o);
const aiVector3t& operator -= (const aiVector3t& o);
const aiVector3t& operator *= (TReal f);
const aiVector3t& operator /= (TReal f);
// transform vector by matrix
aiVector3t& operator *= (const aiMatrix3x3t<TReal>& mat);
aiVector3t& operator *= (const aiMatrix4x4t<TReal>& mat);
// access a single element
TReal operator[](unsigned int i) const;
TReal& operator[](unsigned int i);
// comparison
bool operator== (const aiVector3t& other) const;
bool operator!= (const aiVector3t& other) const;
bool operator < (const aiVector3t& other) const;
bool Equal(const aiVector3t& other, TReal epsilon = 1e-6) const;
template <typename TOther>
operator aiVector3t<TOther> () const;
public:
/** @brief Set the components of a vector
* @param pX X component
* @param pY Y component
* @param pZ Z component */
void Set( TReal pX, TReal pY, TReal pZ);
/** @brief Get the squared length of the vector
* @return Square length */
TReal SquareLength() const;
/** @brief Get the length of the vector
* @return length */
TReal Length() const;
/** @brief Normalize the vector */
aiVector3t& Normalize();
/** @brief Normalize the vector with extra check for zero vectors */
aiVector3t& NormalizeSafe();
/** @brief Componentwise multiplication of two vectors
*
* Note that vec*vec yields the dot product.
* @param o Second factor */
const aiVector3t SymMul(const aiVector3t& o);
TReal x, y, z;
};
typedef aiVector3t<ai_real> aiVector3D;
#else
struct aiVector3D {
ai_real x, y, z;
};
#endif // __cplusplus
#ifdef __cplusplus
#endif // __cplusplus
#endif // AI_VECTOR3D_H_INC
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