WebSVN – gelsvn – Diff – /trunk/src/CGLA/ArithMatFloat.h



		
  T x = m[i][j]
 
  This template should be used through inheritance just like the 
  vector template */
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    class ArithMatFloat
    { 
    public:
 
      /// Horizontal vector type

	}
		
    public:
 
      /// Get vertical dimension of matrix 
      static unsigned int get_v_dim() {return VVT::get_dim();}
 
      /// Get horizontal dimension of matrix
      static unsigned int get_h_dim() {return HVT::get_dim();}
 
 
      /** Get const pointer to data array.
	  This function may be useful when interfacing with some other API 
	  such as OpenGL (TM). */

      //----------------------------------------------------------------------
      // index operators
      //----------------------------------------------------------------------
 
      /// Const index operator. Returns i'th row of matrix.
      const HVT& operator [] ( unsigned int i ) const
	{
	  assert(i<ROWS);
	  return data[i];
	}
 
      /// Non-const index operator. Returns i'th row of matrix.
      HVT& operator [] ( unsigned int i ) 
	{
	  assert(i<ROWS);
	  return data[i];
	}
 

	  return v_new;
	}
    };
 
  /// Multiply scalar onto matrix
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    inline const MT operator * (double k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v) 
    {
      return v * k;
    }
 
  /// Multiply scalar onto matrix
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    inline const MT operator * (float k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v) 
    {
      return v * k;
    }
 
  /// Multiply scalar onto matrix
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    inline const MT operator * (int k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v) 
    {
      return v * k;
    }
 
  /// Multiply vector onto matrix 
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    inline VVT operator*(const ArithMatFloat<VVT,HVT,MT,ROWS>& m,const HVT& v) 
    {
      VVT v2;
      for(unsigned int i=0;i<ROWS;i++) v2[i] = dot(m[i], v);
      return v2;
    }
 
 
#ifndef WIN32

  */
 
  template <class VVT, class HVT, 
    class HV1T, class VV2T,
    class MT1, class MT2, class MT,
    unsigned int ROWS1, unsigned int ROWS2>
    inline void mul(const ArithMatFloat<VVT,HV1T,MT1,ROWS1>& m1,
		    const ArithMatFloat<VV2T,HVT,MT2,ROWS2>& m2,
		    ArithMatFloat<VVT,HVT,MT,ROWS1>& m)
    {
      unsigned int cols = ArithMatFloat<VVT,HVT,MT,ROWS1>::get_h_dim();
      for(unsigned int i=0;i<ROWS1;i++)
	for(unsigned int j=0;j<cols;j++)
	  {
	    m[i][j] = 0;
	    for(unsigned int k=0;k<ROWS2;k++)
	      m[i][j] += m1[i][k] * m2[k][j]; 
	  }
    }
 
 
  /** Transpose. See the discussion on mul if you are curious as to why
      I don't simply return the transpose. */
  template <class VVT, class HVT, class M1T, class M2T, unsigned int ROWS, unsigned int COLS>
    inline void transpose(const ArithMatFloat<VVT,HVT,M1T,ROWS>& m,
			  ArithMatFloat<HVT,VVT,M2T,COLS>& m_new)
    {
      for(unsigned int i=0;i<M2T::get_v_dim();++i)
	for(unsigned int j=0;j<M2T::get_h_dim();++j)
	  m_new[i][j] = m[j][i];
    }
 
#else
 

  // matrices of wrong dimension.
 
  template <class M1, class M2, class M>
    inline void mul(const M1& m1, const M2& m2, M& m)
    {
      unsigned int cols = M::get_h_dim();
      unsigned int rows1 = M1::get_v_dim();
      unsigned int rows2 = M2::get_v_dim();
 
      for(unsigned int i=0;i<rows1;++i)
	for(unsigned int j=0;j<cols;++j)
	  {
	    m[i][j] = 0;
	    for(unsigned int k=0;k<rows2;++k)
	      m[i][j] += m1[i][k] * m2[k][j];
	  }
    }
 
 
  /** Transpose. See the discussion on mul if you are curious as to why
      I don't simply return the transpose. */
  template <class M1, class M2>
    inline void transpose(const M1& m1, M2& m2)
    {
      for(unsigned int i=0;i<M2::get_v_dim();++i)
	for(unsigned int j=0;j<M2::get_h_dim();++j)
	  m2[i][j] = m1[j][i];
    }
 
#endif
 
  /** Compute the outer product of a and b: a * transpose(b). This is 
      a matrix with a::rows and b::columns. */
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    void outer_product(const VVT& a, const HVT& b, 
		       ArithMatFloat<VVT,HVT,MT,ROWS>& m)
    {
      unsigned int R = VVT::get_dim();
      unsigned int C = HVT::get_dim();
      for(unsigned int i=0;i<R;++i)
	for(unsigned int j=0;j<C;++j)
	  {
	    m[i][j] = a[i] * b[j];
	  }
    }
 

  */
 
  template <class M1, class M2>
    void copy_matrix(const M1& inmat, M2& outmat)
    {
      const unsigned int R = s_min(inmat.get_v_dim(), outmat.get_v_dim());
      const unsigned int C = s_min(inmat.get_h_dim(), outmat.get_h_dim());
      for(unsigned int i=0;i<R;++i)
	for(unsigned int j=0;j<C;++j)
	  outmat[i][j] = inmat[i][j];
    }
 
  /** Put to operator */
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    inline std::ostream& 
    operator<<(std::ostream&os, const ArithMatFloat<VVT,HVT,MT,ROWS>& m)
    {
      os << "[\n";
      for(unsigned int i=0;i<ROWS;i++) os << "  " << m[i] << "\n";
      os << "]\n";
      return os;
    }
 
  /** Get from operator */
  template <class VVT, class HVT, class MT, unsigned int ROWS>
    inline std::istream& operator>>(std::istream&is, 
				    const ArithMatFloat<VVT,HVT,MT,ROWS>& m)
    {
      for(unsigned int i=0;i<ROWS;i++) is>>m[i];
      return is;
    }
}
#endif

Rev 43	Rev 45
Line 18...	Line 18...
18		18
19	`T x = m[i][j]`	19	`T x = m[i][j]`
20		20
21	`This template should be used through inheritance just like the`	21	`This template should be used through inheritance just like the`
22	`vector template */`	22	`vector template */`
23	`template <class VVT, class HVT, class MT, int ROWS>`	23	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
24	`class ArithMatFloat`	24	`class ArithMatFloat`
25	`{`	25	`{`
26	`public:`	26	`public:`
27		27
28	`/// Horizontal vector type`	28	`/// Horizontal vector type`
Line 89...	Line 89...
89	`}`	89	`}`
90		90
91	`public:`	91	`public:`
92		92
93	`/// Get vertical dimension of matrix`	93	`/// Get vertical dimension of matrix`
94	`static int get_v_dim() {return VVT::get_dim();}`	94	`static unsigned int get_v_dim() {return VVT::get_dim();}`
95		95
96	`/// Get horizontal dimension of matrix`	96	`/// Get horizontal dimension of matrix`
97	`static int get_h_dim() {return HVT::get_dim();}`	97	`static unsigned int get_h_dim() {return HVT::get_dim();}`
98		98
99		99
100	`/** Get const pointer to data array.`	100	`/** Get const pointer to data array.`
101	`This function may be useful when interfacing with some other API`	101	`This function may be useful when interfacing with some other API`
102	`such as OpenGL (TM). */`	102	`such as OpenGL (TM). */`
Line 116...	Line 116...
116	`//----------------------------------------------------------------------`	116	`//----------------------------------------------------------------------`
117	`// index operators`	117	`// index operators`
118	`//----------------------------------------------------------------------`	118	`//----------------------------------------------------------------------`
119		119
120	`/// Const index operator. Returns i'th row of matrix.`	120	`/// Const index operator. Returns i'th row of matrix.`
121	`const HVT& operator [] ( int i ) const`	121	`const HVT& operator [] ( unsigned int i ) const`
122	`{`	122	`{`
123	`assert(i<ROWS);`	123	`assert(i<ROWS);`
124	`return data[i];`	124	`return data[i];`
125	`}`	125	`}`
126		126
127	`/// Non-const index operator. Returns i'th row of matrix.`	127	`/// Non-const index operator. Returns i'th row of matrix.`
128	`HVT& operator [] ( int i )`	128	`HVT& operator [] ( unsigned int i )`
129	`{`	129	`{`
130	`assert(i<ROWS);`	130	`assert(i<ROWS);`
131	`return data[i];`	131	`return data[i];`
132	`}`	132	`}`
133		133
Line 220...	Line 220...
220	`return v_new;`	220	`return v_new;`
221	`}`	221	`}`
222	`};`	222	`};`
223		223
224	`/// Multiply scalar onto matrix`	224	`/// Multiply scalar onto matrix`
225	`template <class VVT, class HVT, class MT, int ROWS>`	225	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
226	`inline const MT operator * (double k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v)`	226	`inline const MT operator * (double k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v)`
227	`{`	227	`{`
228	`return v * k;`	228	`return v * k;`
229	`}`	229	`}`
230		230
231	`/// Multiply scalar onto matrix`	231	`/// Multiply scalar onto matrix`
232	`template <class VVT, class HVT, class MT, int ROWS>`	232	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
233	`inline const MT operator * (float k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v)`	233	`inline const MT operator * (float k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v)`
234	`{`	234	`{`
235	`return v * k;`	235	`return v * k;`
236	`}`	236	`}`
237		237
238	`/// Multiply scalar onto matrix`	238	`/// Multiply scalar onto matrix`
239	`template <class VVT, class HVT, class MT, int ROWS>`	239	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
240	`inline const MT operator * (int k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v)`	240	`inline const MT operator * (int k, const ArithMatFloat<VVT,HVT,MT,ROWS>& v)`
241	`{`	241	`{`
242	`return v * k;`	242	`return v * k;`
243	`}`	243	`}`
244		244
245	`/// Multiply vector onto matrix`	245	`/// Multiply vector onto matrix`
246	`template <class VVT, class HVT, class MT, int ROWS>`	246	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
247	`inline VVT operator*(const ArithMatFloat<VVT,HVT,MT,ROWS>& m,const HVT& v)`	247	`inline VVT operator*(const ArithMatFloat<VVT,HVT,MT,ROWS>& m,const HVT& v)`
248	`{`	248	`{`
249	`VVT v2;`	249	`VVT v2;`
250	`for(int i=0;i<ROWS;i++) v2[i] = dot(m[i], v);`	250	`for(unsigned int i=0;i<ROWS;i++) v2[i] = dot(m[i], v);`
251	`return v2;`	251	`return v2;`
252	`}`	252	`}`
253		253
254		254
255	`#ifndef WIN32`	255	`#ifndef WIN32`
Line 266...	Line 266...
266	`*/`	266	`*/`
267		267
268	`template <class VVT, class HVT,`	268	`template <class VVT, class HVT,`
269	`class HV1T, class VV2T,`	269	`class HV1T, class VV2T,`
270	`class MT1, class MT2, class MT,`	270	`class MT1, class MT2, class MT,`
271	`int ROWS1, int ROWS2>`	271	`unsigned int ROWS1, unsigned int ROWS2>`
272	`inline void mul(const ArithMatFloat<VVT,HV1T,MT1,ROWS1>& m1,`	272	`inline void mul(const ArithMatFloat<VVT,HV1T,MT1,ROWS1>& m1,`
273	`const ArithMatFloat<VV2T,HVT,MT2,ROWS2>& m2,`	273	`const ArithMatFloat<VV2T,HVT,MT2,ROWS2>& m2,`
274	`ArithMatFloat<VVT,HVT,MT,ROWS1>& m)`	274	`ArithMatFloat<VVT,HVT,MT,ROWS1>& m)`
275	`{`	275	`{`
276	`int cols = ArithMatFloat<VVT,HVT,MT,ROWS1>::get_h_dim();`	276	`unsigned int cols = ArithMatFloat<VVT,HVT,MT,ROWS1>::get_h_dim();`
277	`for(int i=0;i<ROWS1;i++)`	277	`for(unsigned int i=0;i<ROWS1;i++)`
278	`for(int j=0;j<cols;j++)`	278	`for(unsigned int j=0;j<cols;j++)`
279	`{`	279	`{`
280	`m[i][j] = 0;`	280	`m[i][j] = 0;`
281	`for(int k=0;k<ROWS2;k++)`	281	`for(unsigned int k=0;k<ROWS2;k++)`
282	`m[i][j] += m1[i][k] * m2[k][j];`	282	`m[i][j] += m1[i][k] * m2[k][j];`
283	`}`	283	`}`
284	`}`	284	`}`
285		285
286		286
287	`/** Transpose. See the discussion on mul if you are curious as to why`	287	`/** Transpose. See the discussion on mul if you are curious as to why`
288	`I don't simply return the transpose. */`	288	`I don't simply return the transpose. */`
289	`template <class VVT, class HVT, class M1T, class M2T, int ROWS, int COLS>`	289	`template <class VVT, class HVT, class M1T, class M2T, unsigned int ROWS, unsigned int COLS>`
290	`inline void transpose(const ArithMatFloat<VVT,HVT,M1T,ROWS>& m,`	290	`inline void transpose(const ArithMatFloat<VVT,HVT,M1T,ROWS>& m,`
291	`ArithMatFloat<HVT,VVT,M2T,COLS>& m_new)`	291	`ArithMatFloat<HVT,VVT,M2T,COLS>& m_new)`
292	`{`	292	`{`
293	`for(int i=0;i<M2T::get_v_dim();++i)`	293	`for(unsigned int i=0;i<M2T::get_v_dim();++i)`
294	`for(int j=0;j<M2T::get_h_dim();++j)`	294	`for(unsigned int j=0;j<M2T::get_h_dim();++j)`
295	`m_new[i][j] = m[j][i];`	295	`m_new[i][j] = m[j][i];`
296	`}`	296	`}`
297		297
298	`#else`	298	`#else`
299		299
Line 303...	Line 303...
303	`// matrices of wrong dimension.`	303	`// matrices of wrong dimension.`
304		304
305	`template <class M1, class M2, class M>`	305	`template <class M1, class M2, class M>`
306	`inline void mul(const M1& m1, const M2& m2, M& m)`	306	`inline void mul(const M1& m1, const M2& m2, M& m)`
307	`{`	307	`{`
308	`int cols = M::get_h_dim();`	308	`unsigned int cols = M::get_h_dim();`
309	`int rows1 = M1::get_v_dim();`	309	`unsigned int rows1 = M1::get_v_dim();`
310	`int rows2 = M2::get_v_dim();`	310	`unsigned int rows2 = M2::get_v_dim();`
311		311
312	`for(int i=0;i<rows1;++i)`	312	`for(unsigned int i=0;i<rows1;++i)`
313	`for(int j=0;j<cols;++j)`	313	`for(unsigned int j=0;j<cols;++j)`
314	`{`	314	`{`
315	`m[i][j] = 0;`	315	`m[i][j] = 0;`
316	`for(int k=0;k<rows2;++k)`	316	`for(unsigned int k=0;k<rows2;++k)`
317	`m[i][j] += m1[i][k] * m2[k][j];`	317	`m[i][j] += m1[i][k] * m2[k][j];`
318	`}`	318	`}`
319	`}`	319	`}`
320		320
321		321
322	`/** Transpose. See the discussion on mul if you are curious as to why`	322	`/** Transpose. See the discussion on mul if you are curious as to why`
323	`I don't simply return the transpose. */`	323	`I don't simply return the transpose. */`
324	`template <class M1, class M2>`	324	`template <class M1, class M2>`
325	`inline void transpose(const M1& m1, M2& m2)`	325	`inline void transpose(const M1& m1, M2& m2)`
326	`{`	326	`{`
327	`for(int i=0;i<M2::get_v_dim();++i)`	327	`for(unsigned int i=0;i<M2::get_v_dim();++i)`
328	`for(int j=0;j<M2::get_h_dim();++j)`	328	`for(unsigned int j=0;j<M2::get_h_dim();++j)`
329	`m2[i][j] = m1[j][i];`	329	`m2[i][j] = m1[j][i];`
330	`}`	330	`}`
331		331
332	`#endif`	332	`#endif`
333		333
334	`/** Compute the outer product of a and b: a * transpose(b). This is`	334	`/** Compute the outer product of a and b: a * transpose(b). This is`
335	`a matrix with a::rows and b::columns. */`	335	`a matrix with a::rows and b::columns. */`
336	`template <class VVT, class HVT, class MT, int ROWS>`	336	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
337	`void outer_product(const VVT& a, const HVT& b,`	337	`void outer_product(const VVT& a, const HVT& b,`
338	`ArithMatFloat<VVT,HVT,MT,ROWS>& m)`	338	`ArithMatFloat<VVT,HVT,MT,ROWS>& m)`
339	`{`	339	`{`
340	`int R = VVT::get_dim();`	340	`unsigned int R = VVT::get_dim();`
341	`int C = HVT::get_dim();`	341	`unsigned int C = HVT::get_dim();`
342	`for(int i=0;i<R;++i)`	342	`for(unsigned int i=0;i<R;++i)`
343	`for(int j=0;j<C;++j)`	343	`for(unsigned int j=0;j<C;++j)`
344	`{`	344	`{`
345	`m[i][j] = a[i] * b[j];`	345	`m[i][j] = a[i] * b[j];`
346	`}`	346	`}`
347	`}`	347	`}`
348		348
Line 362...	Line 362...
362	`*/`	362	`*/`
363		363
364	`template <class M1, class M2>`	364	`template <class M1, class M2>`
365	`void copy_matrix(const M1& inmat, M2& outmat)`	365	`void copy_matrix(const M1& inmat, M2& outmat)`
366	`{`	366	`{`
367	`const int R = s_min(inmat.get_v_dim(), outmat.get_v_dim());`	367	`const unsigned int R = s_min(inmat.get_v_dim(), outmat.get_v_dim());`
368	`const int C = s_min(inmat.get_h_dim(), outmat.get_h_dim());`	368	`const unsigned int C = s_min(inmat.get_h_dim(), outmat.get_h_dim());`
369	`for(int i=0;i<R;++i)`	369	`for(unsigned int i=0;i<R;++i)`
370	`for(int j=0;j<C;++j)`	370	`for(unsigned int j=0;j<C;++j)`
371	`outmat[i][j] = inmat[i][j];`	371	`outmat[i][j] = inmat[i][j];`
372	`}`	372	`}`
373		373
374	`/** Put to operator */`	374	`/** Put to operator */`
375	`template <class VVT, class HVT, class MT, int ROWS>`	375	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
376	`inline std::ostream&`	376	`inline std::ostream&`
377	`operator<<(std::ostream&os, const ArithMatFloat<VVT,HVT,MT,ROWS>& m)`	377	`operator<<(std::ostream&os, const ArithMatFloat<VVT,HVT,MT,ROWS>& m)`
378	`{`	378	`{`
379	`os << "[\n";`	379	`os << "[\n";`
380	`for(int i=0;i<ROWS;i++) os << " " << m[i] << "\n";`	380	`for(unsigned int i=0;i<ROWS;i++) os << " " << m[i] << "\n";`
381	`os << "]\n";`	381	`os << "]\n";`
382	`return os;`	382	`return os;`
383	`}`	383	`}`
384		384
385	`/** Get from operator */`	385	`/** Get from operator */`
386	`template <class VVT, class HVT, class MT, int ROWS>`	386	`template <class VVT, class HVT, class MT, unsigned int ROWS>`
387	`inline std::istream& operator>>(std::istream&is,`	387	`inline std::istream& operator>>(std::istream&is,`
388	`const ArithMatFloat<VVT,HVT,MT,ROWS>& m)`	388	`const ArithMatFloat<VVT,HVT,MT,ROWS>& m)`
389	`{`	389	`{`
390	`for(int i=0;i<ROWS;i++) is>>m[i];`	390	`for(unsigned int i=0;i<ROWS;i++) is>>m[i];`
391	`return is;`	391	`return is;`
392	`}`	392	`}`
393	`}`	393	`}`
394	`#endif`	394	`#endif`

Subversion Repositories gelsvn

(root)/trunk/src/CGLA/ArithMatFloat.h @ 12 – Rev 43 → 45