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 | //!     \file   Kazu.cpp
//!     @brief  fast test for kazu
 
 
//---------------------------------------------------------------------------
//Boost.asserts
#include <boost/static_assert.hpp>
 
//Boost.operators
#include <boost/operators.hpp>
 
//SL.Math
#include <cmath>
 
//SL.assert
#include <cassert>
 
//STL.cout
#include <iostream>
//////////////////////////////////////////////////////////////////////////
//forward declaration 
 
namespace kazu
{
	template<typename scalarT>
	struct	blast
	{
		//vec fwd decl
		class	vec2;
		class	vec3;
		class	vec4;
		class	vec4D;
 
		//mat fwd decl
		class	mat2x2;
		class	mat2x3;
		class	mat2x4;
 
		class	mat3x2;
		class	mat3x3;
		class	mat3x4;
 
		class	mat4x2;
		class	mat4x3;
		class	mat4x4;
 
		//other fwd decl: complex, hypercomplex
		class	complex;
		class	quaternion;
		class	octonion;
 
		//typedefs
		typedef	scalarT	scalar;
		typedef	mat2x2	mat2;
		typedef	mat3x3	mat3;
		typedef	mat4x4	mat4;
 
		//utility classes
		template<class vecT, unsigned int sizeT>
		class	vecproto;
 
		template<class matT, class transT, unsigned int sizeA, unsigned int sizeB>
		class	matproto;
	};
}//namespace kazu
 
//////////////////////////////////////////////////////////////////////////
//vecproto - template definition
 
namespace kazu
{
	template<class selfT, typename typeT, unsigned int dimT, class B = ::boost::detail::empty_base<selfT> >
	struct	unary : B
	{
		friend	selfT	sin(const selfT& a)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)sin( a._a[i] );	}	return rv;	}
		friend	selfT	cos(const selfT& a)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)cps( a._a[i] );	}	return rv;	}
		friend	selfT	tan(const selfT& a)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)tan( a._a[i] );	}	return rv;	}
		friend	selfT	asin(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)asin( a._a[i] );	}	return rv;	}
		friend	selfT	acos(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)acos( a._a[i] );	}	return rv;	}
		friend	selfT	atan(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)atan( a._a[i] );	}	return rv;	}
		friend	selfT	exp(const selfT& a)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)exp( a._a[i] );	}	return rv;	}
		friend	selfT	log(const selfT& a)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)log( a._a[i] );	}	return rv;	}
		friend	selfT	exp2(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)exp2( a._a[i] );	}	return rv;	}
		friend	selfT	log2(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)log2( a._a[i] );	}	return rv;	}
		friend	selfT	sqrt(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)sqrt( a._a[i] );	}	return rv;	}
		friend	selfT	abs(const selfT& a)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)abs( a._a[i] );	}	return rv;	}
		friend	selfT	sign(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)sign( a._a[i] );	}	return rv;	}
		friend	selfT	floor(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)floor( a._a[i] );	}	return rv;	}
		friend	selfT	ceil(const selfT& a)	{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)ceil( a._a[i] );	}	return rv;	}		
	};
 
	template<class selfT, typename typeT, unsigned int dimT, class B = ::boost::detail::empty_base<selfT> >
	struct	binary : B
	{
		friend	selfT	pow(const selfT& a, const selfT& b)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)pow( a._a[i], b._a[i] );	}	return rv;	}
		friend	selfT	pow(const selfT& a, const typeT b)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)pow( a._a[i], b );	}	return rv;	}
 
		friend	selfT	min(const selfT& a, const selfT& b)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)min( a._a[i], b._a[i] );	}	return rv;	}
		friend	selfT	max(const selfT& a, const selfT& b)		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)max( a._a[i], b._a[i] );	}	return rv;	}
	};
 
	template<class selfT, typename typeT, unsigned int dimT, class B = ::boost::detail::empty_base<selfT> >
	struct	trinary : B
	{
		friend	selfT	clamp(const selfT& a, const selfT& b, const selfT& c)		
		{	selfT rv(a);	for(unsigned int i = 0; i < dimT; i++){	rv._a[i] = (typeT)clamp( a._a[i], b._a[i], c._a[i] );	}	return rv;	}
	};
}
 
 
 
//////////////////////////////////////////////////////////////////////////
 
template<typename typeT> template<class selfT, unsigned int dimT>
struct	kazu::blast<typeT>::vecproto<selfT, dimT> :
	public boost::arithmetic< selfT, 
		boost::multiplicative< selfT, typeT,
		kazu::unary<selfT, typeT, dimT,
		kazu::binary<selfT, typeT, dimT,
		kazu::trinary<selfT, typeT, dimT
	> > > > >
{
//	selfT(typeT a[dimT])	{	for (unsigned i = 0; i < dimT; i++){ this->_a[i] = a[i]; }	}
 
	//sum
	inline	typeT	sum()	{	typeT rv = (typeT)0;	for(unsigned int i = 0; i < dimT; i++){rv += this->_a[i];}	return rv;	}
 
	//dot
	virtual	typeT	dot(const selfT& b)	{	selfT rv(*this); rv *= b; return rv.sum(); 	}
	inline	friend	typeT	dot(const selfT& a, const selfT& b)	{	return a.dot(b);	}
 
	//cross
//	virtual	selfT	cross(const selfT& b);	//todo: implement in specialization
	inline	friend	selfT	cross(const selfT& a, const selfT& b)	{	return a.cross(b);	}
 
	//length
	inline	typeT	lensq()	{	selfT a(*this); a *= a; return a.sum();		}
	inline	friend	typeT	lensq(const selfT& a)	{	return	a.lensq();	}
 
	inline	typeT	length()	{	return std::sqrt<typeT>( lensq() );		}
	inline	friend	typeT	length(const selfT& a)	{	return a.length();	}
 
	inline	typeT	distance(const selfT& rhv)	{	selfT a = rhv - (*this); return a.length();	}
	inline	friend	typeT distance(const selfT& a, const selfT& b)	{	return a.distance(b);	}
 
	//operators
	virtual	selfT&	operator=(const selfT& b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] = b._a[i];	}	}
	virtual	selfT&	operator+=(const selfT& b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] += b._a[i];	}	}
	virtual	selfT&	operator-=(const selfT& b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] -= b._a[i];	}	}
	virtual	selfT&	operator*=(const selfT& b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] *= b._a[i];	}	}
	virtual	selfT&	operator/=(const selfT& b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] /= b._a[i];	}	}
 
	virtual	selfT&	operator*=(const typeT b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] *= b;	}	}
	virtual	selfT&	operator/=(const typeT b)	{	for(unsigned int i = 0; i < dimT; i++){this->_a[i] /= b;	}	}
 
	//this ought to crash the compiler, or at least induce errors
//	selfT&	operator+=(const selfT& b)	{	(*this) = (*this) + b;	}
//	selfT&	operator-=(const selfT& b)	{	(*this) = (*this) - b;	}
//	selfT&	operator*=(const selfT& b)	{	(*this) = (*this) * b;	}
//	selfT&	operator/=(const selfT& b)	{	(*this) = (*this) / b;	}
 
	inline	typeT&		operator[](unsigned int idx)	{	assert(idx < dimT); return this->_a[idx];	}
	inline	operator	typeT*()						{	return &this->_a[0];	}
 
	//swizzle
	template<unsigned int X>	inline	typeT&			get()		{	BOOST_STATIC_ASSERT(X < dimT); return this->_a[X];	}
	template<unsigned int X>	inline	const typeT&	get() const	{	BOOST_STATIC_ASSERT(X < dimT); return this->_a[X];	}
 
	template<unsigned int X, unsigned int Y>
	vec2 swizzle2();
	template<unsigned int X, unsigned int Y>
	const vec2 swizzle2() const ;
 
	template<unsigned int X, unsigned int Y, unsigned int Z>
	vec3 swizzle3();
	template<unsigned int X, unsigned int Y, unsigned int Z>
	const vec3 swizzle3() const;
 
	template<unsigned int X, unsigned int Y, unsigned int Z, unsigned int W>
	vec4 swizzle4();
	template<unsigned int X, unsigned int Y, unsigned int Z, unsigned int W>
	const vec4 swizzle4() const;
 
	std::ostream& operator<<(std::ostream& os)
	{
		os << "vec" << dimT << " [";
		for(unsigned int i = 0; i < dimT; i++)
		{	
			if(i)
				os << ", ";
			os << (*this)[i];			
		}
		os << "]";
		return os;
	}
};
 
//////////////////////////////////////////////////////////////////////////
//specialization of cross()
 
/*
template<typename typeT> template<class selfT>
selfT	kazu::blast<typeT>::vecproto<selfT, 2>::cross(const selfT& rhv)
{
	selfT rv;
	//not sure, should return 0, 0
	rv.x = this->x * rhv.y;
	rv.y = this->y * rhv.x;
	return rv;
}
 
 
template<typename typeT> template<class selfT>
selfT	kazu::blast<typeT>::vecproto<selfT, 3>::cross(const selfT& rhv)
{
	selfT rv;
	rv.x = this->y * rhv.z - this->z * rhv.y;
	rv.y = this->y * rhv.z - this->z * rhv.y;
	rv.z = this->y * rhv.z - this->z * rhv.y;
	return rv;
}
 
 
template<typename typeT> template<class selfT>
selfT	kazu::blast<typeT>::vecproto<selfT, 4>::cross(const selfT& rhv)
{
	selfT rv;
	rv.x = this->y * rhv.z - this->z * rhv.y;
	rv.y = this->y * rhv.z - this->z * rhv.y;
	rv.z = this->y * rhv.z - this->z * rhv.y;
	rv.w = this->w * rhv.w;		//not sure about this one
 
//4D cross
//	rv.x = this->y * rhv.z - this->z * rhv.y + this->z * rhv.w - this->w * rhv.z + this->y * rhv.w - this->w * rhv.y;
//	rv.y = this->z * rhv.x - this->x * rhv.z + this->w * rhv.x - this->x * rhv.w + this->z * rhv.w - this->w * rhv.z;
//	rv.z = this->x * rhv.y - this->y * rhv.x + this->w * rhv.y - this->y * rhv.w + this->w * rhv.x - this->x * rhv.w;
//	rv.w = this->x * rhv.y - this->y * rhv.x + this->y * rhv.z - this->z * rhv.y + this->x * rhv.z - this->z * rhv.x;
 
	return rv;
}
*/
 
//////////////////////////////////////////////////////////////////////////
//definition of vec classes
 
template<typename typeT>
struct kazu::blast<typeT>::vec2 : public kazu::blast<typeT>::vecproto<vec2, 2>
{
	union
	{
		typeT	_a[2];
		struct { typeT x, y; };
		struct { typeT i, a; };
		struct { typeT s, t; };
		struct { typeT _0, _1; };		
	};
 
	vec2()	{}	
	vec2(const vec2& b): x(b.x), y(b.y)	{}
	vec2(typeT _x, typeT _y): x(_x), y(_y)	{}	
	virtual ~vec2(){}
 
	//todo: declare swizzle functions here
	vec2	xx();
	vec3	xxx();
	vec4	xxxx();
 
	const	vec2	xx()	const;
	const	vec3	xxx()	const;
	const	vec4	xxxx()	const;
};
 
template<typename typeT>
struct kazu::blast<typeT>::vec3 : public kazu::blast<typeT>::vecproto<vec3, 3>
{
	union
	{
		typeT	_a[3];
		struct { typeT x, y, z; };
		struct { typeT r, g, b; };
		struct { typeT s, t, p; };
		struct { typeT _0, _1, _2; };		
	};
 
	vec3()	{}	
	vec3(const vec3& b): x(b.x), y(b.y), z(b.z)	{}
	vec3(typeT _x, typeT _y, typeT _z): x(_x), y(_y), z(_z)	{}	
	vec3(const vec2& b): x(b.x), y(b.y), z((typeT)0)	{}
	virtual ~vec3(){}
 
	//todo: declare swizzle functions here
	vec2	xx();
	vec3	xxx();
	vec4	xxxx();
 
	const	vec2	xx()	const;
	const	vec3	xxx()	const;
	const	vec4	xxxx()	const;
};
 
template<typename typeT>
struct kazu::blast<typeT>::vec4 : public kazu::blast<typeT>::vecproto<vec4, 4>
{
	union
	{
		typeT	_a[4];
		struct { typeT x, y, z, w; };
		struct { typeT r, g, b, a; };
		struct { typeT s, t, p, q; };
		struct { typeT _0, _1, _2, _3; };		
	};
 
	vec4()	{}	
	vec4(const vec4& b): x(b.x), y(b.y), z(b.z), w(b.w)	{}
	vec4(typeT _x, typeT _y, typeT _z, typeT _w): x(_x), y(_y), z(_z), w(_w)	{}	
	vec4(const vec2& b): x(b.x), y(b.y), z((typeT)0), w((typeT)1)	{}
	vec4(const vec3& b): x(b.x), y(b.y), z(b.z), w((typeT)1)		{}
	virtual ~vec4(){}
 
	//todo: declare swizzle functions here
	vec2	xx();
	vec3	xxx();
	vec4	xxxx();
 
	const	vec2	xx()	const;
	const	vec3	xxx()	const;
	const	vec4	xxxx()	const;
};
 
 
template<typename typeT>
struct kazu::blast<typeT>::vec4D : kazu::blast<typeT>::vec4
{
};
 
//////////////////////////////////////////////////////////////////////////
//definition of swizzle functions
 
template<typename typeT> template<class selfT, unsigned int dimT> template<unsigned int X, unsigned int Y>
inline	kazu::blast<typeT>::vec2
kazu::blast<typeT>::vecproto<selfT, dimT>::swizzle2<X, Y>()
{	return kazu::blast<typeT>::vec2(this->get<X>(), this->get<Y>());	}
 
template<typename typeT> template<class selfT, unsigned int dimT> template<unsigned int X, unsigned int Y>
inline	const kazu::blast<typeT>::vec2
kazu::blast<typeT>::vecproto<selfT, dimT>::swizzle2<X, Y>() const
{	return kazu::blast<typeT>::vec2(this->get<X>(), this->get<Y>());	}
 
 
template<typename typeT> template<class selfT, unsigned int dimT> template<unsigned int X, unsigned int Y, unsigned int Z>
inline	kazu::blast<typeT>::vec3
kazu::blast<typeT>::vecproto<selfT, dimT>::swizzle3<X, Y, Z>()
{	return kazu::blast<typeT>::vec3(this->get<X>(), this->get<Y>(), this->get<Z>());	}
 
template<typename typeT> template<class selfT, unsigned int dimT> template<unsigned int X, unsigned int Y, unsigned int Z>
inline	const kazu::blast<typeT>::vec3
kazu::blast<typeT>::vecproto<selfT, dimT>::swizzle3<X, Y, Z>() const
{	return kazu::blast<typeT>::vec3(this->get<X>(), this->get<Y>(), this->get<Z>());	}
 
 
template<typename typeT> template<class selfT, unsigned int dimT> template<unsigned int X, unsigned int Y, unsigned int Z, unsigned int W>
inline	kazu::blast<typeT>::vec4
kazu::blast<typeT>::vecproto<selfT, dimT>::swizzle4<X, Y, Z, W>()
{	return kazu::blast<typeT>::vec4(this->get<X>(), this->get<Y>(), this->get<Z>(), this->get<W>());	}
 
template<typename typeT> template<class selfT, unsigned int dimT, unsigned int X> template<unsigned int Y, unsigned int Z, unsigned int W>
inline	const kazu::blast<typeT>::vec4
kazu::blast<typeT>::vecproto<selfT, dimT>::swizzle4<X, Y, Z, W>() const
{	return kazu::blast<typeT>::vec4(this->get<X>(), this->get<Y>(), this->get<Z>(), this->get<W>());	}
 
//////////////////////////////////////////////////////////////////////////
//definition of swizzle functions
template<typename typeT>
kazu::blast<typeT>::vec2	kazu::blast<typeT>::vec2::xx()
{	return	this->swizzle2<0, 0>();		}
 
template<typename typeT>
kazu::blast<typeT>::vec3	kazu::blast<typeT>::vec2::xxx()
{	return	this->swizzle3<0, 0, 0>();		}
 
template<typename typeT>
kazu::blast<typeT>::vec4	kazu::blast<typeT>::vec2::xxxx()
{	return	this->swizzle4<0, 0, 0, 0>();		}
 
 
template<typename typeT>
const	kazu::blast<typeT>::vec2	kazu::blast<typeT>::vec2::xx()	const
{	return	this->swizzle2<0, 0>();		}
 
template<typename typeT>
const	kazu::blast<typeT>::vec3	kazu::blast<typeT>::vec2::xxx()	const
{	return	this->swizzle3<0, 0, 0>();		}
 
template<typename typeT>
const	kazu::blast<typeT>::vec4	kazu::blast<typeT>::vec2::xxxx()const
{	return	this->swizzle4<0, 0, 0, 0>();		}
 
 
template<typename typeT>
kazu::blast<typeT>::vec2	kazu::blast<typeT>::vec3::xx()
{	return	this->swizzle2<0, 0>();		}
 
template<typename typeT>
kazu::blast<typeT>::vec3	kazu::blast<typeT>::vec3::xxx()
{	return	this->swizzle3<0, 0, 0>();		}
 
template<typename typeT>
kazu::blast<typeT>::vec4	kazu::blast<typeT>::vec3::xxxx()
{	return	this->swizzle4<0, 0, 0, 0>();		}
 
 
 
template<typename typeT>
const	kazu::blast<typeT>::vec2	kazu::blast<typeT>::vec3::xx()	const
{	return	this->swizzle2<0, 0>();		}
 
template<typename typeT>
const	kazu::blast<typeT>::vec3	kazu::blast<typeT>::vec3::xxx()	const
{	return	this->swizzle3<0, 0, 0>();		}
 
template<typename typeT>
const	kazu::blast<typeT>::vec4	kazu::blast<typeT>::vec3::xxxx()const
{	return	this->swizzle4<0, 0, 0, 0>();		}
 
 
template<typename typeT>
kazu::blast<typeT>::vec2	kazu::blast<typeT>::vec4::xx()
{	return	this->swizzle2<0, 0>();		}
 
template<typename typeT>
kazu::blast<typeT>::vec3	kazu::blast<typeT>::vec4::xxx()
{	return	this->swizzle3<0, 0, 0>();		}
 
template<typename typeT>
kazu::blast<typeT>::vec4	kazu::blast<typeT>::vec4::xxxx()
{	return	this->swizzle4<0, 0, 0, 0>();		}
 
 
template<typename typeT>
const	kazu::blast<typeT>::vec2	kazu::blast<typeT>::vec4::xx()	const
{	return	this->swizzle2<0, 0>();		}
 
template<typename typeT>
const	kazu::blast<typeT>::vec3	kazu::blast<typeT>::vec4::xxx()	const
{	return	this->swizzle3<0, 0, 0>();		}
 
template<typename typeT>
const	kazu::blast<typeT>::vec4	kazu::blast<typeT>::vec4::xxxx()const
{	return	this->swizzle4<0, 0, 0, 0>();		}
 
//////////////////////////////////////////////////////////////////////////
 
int main(int argc, char** argv)
{
	kazu::blast<float>::vec4 a4(1f, 2f, 3f, 1f);
 
	std::cout << a4 << std::endl;
	return 0;
}
 
////////////////////////////////////////////////////////////////////////// | 
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