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							234 lines
						
					
					
						
							9.5 KiB
						
					
					
				
								// This file is part of Eigen, a lightweight C++ template library
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								// for linear algebra.
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								//
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								// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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								//
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								// This Source Code Form is subject to the terms of the Mozilla
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								// Public License v. 2.0. If a copy of the MPL was not distributed
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								// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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								#define EIGEN_NO_STATIC_ASSERT
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								#include "product.h"
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								#include <Eigen/LU>
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								// regression test for bug 447
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								void product1x1()
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								{
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								  Matrix<float,1,3> matAstatic;
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								  Matrix<float,3,1> matBstatic;
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								  matAstatic.setRandom();
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								  matBstatic.setRandom();
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								  VERIFY_IS_APPROX( (matAstatic * matBstatic).coeff(0,0), 
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								                    matAstatic.cwiseProduct(matBstatic.transpose()).sum() );
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								  MatrixXf matAdynamic(1,3);
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								  MatrixXf matBdynamic(3,1);
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								  matAdynamic.setRandom();
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								  matBdynamic.setRandom();
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								  VERIFY_IS_APPROX( (matAdynamic * matBdynamic).coeff(0,0), 
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								                    matAdynamic.cwiseProduct(matBdynamic.transpose()).sum() );
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								}
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								template<typename TC, typename TA, typename TB>
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								const TC& ref_prod(TC &C, const TA &A, const TB &B)
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								{
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								  for(Index i=0;i<C.rows();++i)
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								    for(Index j=0;j<C.cols();++j)
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								      for(Index k=0;k<A.cols();++k)
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								        C.coeffRef(i,j) += A.coeff(i,k) * B.coeff(k,j);
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								  return C;
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								}
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								template<typename T, int Rows, int Cols, int Depth, int OC, int OA, int OB>
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								typename internal::enable_if<! ( (Rows ==1&&Depth!=1&&OA==ColMajor)
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								                              || (Depth==1&&Rows !=1&&OA==RowMajor)
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								                              || (Cols ==1&&Depth!=1&&OB==RowMajor)
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								                              || (Depth==1&&Cols !=1&&OB==ColMajor)
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								                              || (Rows ==1&&Cols !=1&&OC==ColMajor)
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								                              || (Cols ==1&&Rows !=1&&OC==RowMajor)),void>::type
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								test_lazy_single(int rows, int cols, int depth)
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								{
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								  Matrix<T,Rows,Depth,OA> A(rows,depth); A.setRandom();
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								  Matrix<T,Depth,Cols,OB> B(depth,cols); B.setRandom();
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								  Matrix<T,Rows,Cols,OC>  C(rows,cols);  C.setRandom();
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								  Matrix<T,Rows,Cols,OC>  D(C);
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								  VERIFY_IS_APPROX(C+=A.lazyProduct(B), ref_prod(D,A,B));
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								}
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								template<typename T, int Rows, int Cols, int Depth, int OC, int OA, int OB>
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								typename internal::enable_if<  ( (Rows ==1&&Depth!=1&&OA==ColMajor)
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								                              || (Depth==1&&Rows !=1&&OA==RowMajor)
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								                              || (Cols ==1&&Depth!=1&&OB==RowMajor)
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								                              || (Depth==1&&Cols !=1&&OB==ColMajor)
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								                              || (Rows ==1&&Cols !=1&&OC==ColMajor)
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								                              || (Cols ==1&&Rows !=1&&OC==RowMajor)),void>::type
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								test_lazy_single(int, int, int)
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								{
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								}
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								template<typename T, int Rows, int Cols, int Depth>
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								void test_lazy_all_layout(int rows=Rows, int cols=Cols, int depth=Depth)
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								{
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,ColMajor,ColMajor,ColMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,RowMajor,ColMajor,ColMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,ColMajor,RowMajor,ColMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,RowMajor,RowMajor,ColMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,ColMajor,ColMajor,RowMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,RowMajor,ColMajor,RowMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,ColMajor,RowMajor,RowMajor>(rows,cols,depth) ));
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								  CALL_SUBTEST(( test_lazy_single<T,Rows,Cols,Depth,RowMajor,RowMajor,RowMajor>(rows,cols,depth) ));
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								}
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								template<typename T>
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								void test_lazy_l1()
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								{
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								  int rows = internal::random<int>(1,12);
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								  int cols = internal::random<int>(1,12);
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								  int depth = internal::random<int>(1,12);
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								  // Inner
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,1,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,1,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,1,3>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,1,8>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,1,9>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,1,-1>(1,1,depth) ));
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								  // Outer
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,1,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,2,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,2,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,3,3,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,4,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,8,1>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,-1,1>(4,cols) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,7,-1,1>(7,cols) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,8,1>(rows) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,3,1>(rows) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,-1,1>(rows,cols) ));
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								}
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								template<typename T>
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								void test_lazy_l2()
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								{
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								  int rows = internal::random<int>(1,12);
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								  int cols = internal::random<int>(1,12);
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								  int depth = internal::random<int>(1,12);
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								  // mat-vec
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,1,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,1,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,1,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,1,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,5,1,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,1,5>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,1,6>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,6,1,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,8,1,8>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,1,4>(rows) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,1,-1>(4,1,depth) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,1,-1>(rows,1,depth) ));
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								  // vec-mat
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,2,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,2,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,4,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,4,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,5,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,4,5>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,4,6>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,6,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,8,8>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,-1, 4>(1,cols) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1, 4,-1>(1,4,depth) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,1,-1,-1>(1,cols,depth) ));
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								}
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								template<typename T>
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								void test_lazy_l3()
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								{
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								  int rows = internal::random<int>(1,12);
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								  int cols = internal::random<int>(1,12);
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								  int depth = internal::random<int>(1,12);
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								  // mat-mat
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,4,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,6,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,3,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,8,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,5,6,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,2,5>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,7,6>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,6,8,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,8,3,8>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,6,4>(rows) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,3,-1>(4,3,depth) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,-1,6,-1>(rows,6,depth) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,8,2,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,5,2,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,4,2>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,8,4,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,6,5,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,4,5>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,3,4,6>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,2,6,4>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,7,8,8>() ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,8,-1, 4>(8,cols) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,3, 4,-1>(3,4,depth) ));
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								  CALL_SUBTEST(( test_lazy_all_layout<T,4,-1,-1>(4,cols,depth) ));
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								}
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								void test_product_small()
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								{
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								  for(int i = 0; i < g_repeat; i++) {
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								    CALL_SUBTEST_1( product(Matrix<float, 3, 2>()) );
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								    CALL_SUBTEST_2( product(Matrix<int, 3, 5>()) );
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								    CALL_SUBTEST_3( product(Matrix3d()) );
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								    CALL_SUBTEST_4( product(Matrix4d()) );
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								    CALL_SUBTEST_5( product(Matrix4f()) );
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								    CALL_SUBTEST_6( product1x1() );
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								    CALL_SUBTEST_11( test_lazy_l1<float>() );
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								    CALL_SUBTEST_12( test_lazy_l2<float>() );
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								    CALL_SUBTEST_13( test_lazy_l3<float>() );
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								    CALL_SUBTEST_21( test_lazy_l1<double>() );
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								    CALL_SUBTEST_22( test_lazy_l2<double>() );
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								    CALL_SUBTEST_23( test_lazy_l3<double>() );
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								    CALL_SUBTEST_31( test_lazy_l1<std::complex<float> >() );
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								    CALL_SUBTEST_32( test_lazy_l2<std::complex<float> >() );
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								    CALL_SUBTEST_33( test_lazy_l3<std::complex<float> >() );
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								    CALL_SUBTEST_41( test_lazy_l1<std::complex<double> >() );
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								    CALL_SUBTEST_42( test_lazy_l2<std::complex<double> >() );
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								    CALL_SUBTEST_43( test_lazy_l3<std::complex<double> >() );
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								  }
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								#ifdef EIGEN_TEST_PART_6
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								  {
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								    // test compilation of (outer_product) * vector
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								    Vector3f v = Vector3f::Random();
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								    VERIFY_IS_APPROX( (v * v.transpose()) * v, (v * v.transpose()).eval() * v);
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								  }
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								  {
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								    // regression test for pull-request #93
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								    Eigen::Matrix<double, 1, 1> A;  A.setRandom();
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								    Eigen::Matrix<double, 18, 1> B; B.setRandom();
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								    Eigen::Matrix<double, 1, 18> C; C.setRandom();
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								    VERIFY_IS_APPROX(B * A.inverse(), B * A.inverse()[0]);
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								    VERIFY_IS_APPROX(A.inverse() * C, A.inverse()[0] * C);
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								  }
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								  {
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								    Eigen::Matrix<double, 10, 10> A, B, C;
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								    A.setRandom();
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								    C = A;
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								    for(int k=0; k<79; ++k)
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								      C = C * A;
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								    B.noalias() = (((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)) * ((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)))
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								                * (((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)) * ((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A))*((A*A)*(A*A)));
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								    VERIFY_IS_APPROX(B,C);
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								  }
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								#endif
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								}
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