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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra.
      3 //
      4 // Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud (at) inria.fr>
      5 //
      6 // This Source Code Form is subject to the terms of the Mozilla
      7 // Public License v. 2.0. If a copy of the MPL was not distributed
      8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
      9 
     10 #include "main.h"
     11 
     12 template<typename Scalar, int Mode, int TriOrder, int OtherOrder, int ResOrder, int OtherCols>
     13 void trmm(int rows=internal::random<int>(1,EIGEN_TEST_MAX_SIZE),
     14           int cols=internal::random<int>(1,EIGEN_TEST_MAX_SIZE),
     15           int otherCols = OtherCols==Dynamic?internal::random<int>(1,EIGEN_TEST_MAX_SIZE):OtherCols)
     16 {
     17   typedef typename NumTraits<Scalar>::Real RealScalar;
     18 
     19   typedef Matrix<Scalar,Dynamic,Dynamic,TriOrder> TriMatrix;
     20   typedef Matrix<Scalar,Dynamic,OtherCols,OtherCols==1?ColMajor:OtherOrder> OnTheRight;
     21   typedef Matrix<Scalar,OtherCols,Dynamic,OtherCols==1?RowMajor:OtherOrder> OnTheLeft;
     22 
     23   typedef Matrix<Scalar,Dynamic,OtherCols,OtherCols==1?ColMajor:ResOrder> ResXS;
     24   typedef Matrix<Scalar,OtherCols,Dynamic,OtherCols==1?RowMajor:ResOrder> ResSX;
     25 
     26   TriMatrix  mat(rows,cols), tri(rows,cols), triTr(cols,rows);
     27 
     28   OnTheRight  ge_right(cols,otherCols);
     29   OnTheLeft   ge_left(otherCols,rows);
     30   ResSX       ge_sx, ge_sx_save;
     31   ResXS       ge_xs, ge_xs_save;
     32 
     33   Scalar s1 = internal::random<Scalar>(),
     34          s2 = internal::random<Scalar>();
     35 
     36   mat.setRandom();
     37   tri = mat.template triangularView<Mode>();
     38   triTr = mat.transpose().template triangularView<Mode>();
     39   ge_right.setRandom();
     40   ge_left.setRandom();
     41 
     42   VERIFY_IS_APPROX( ge_xs = mat.template triangularView<Mode>() * ge_right, tri * ge_right);
     43   VERIFY_IS_APPROX( ge_sx = ge_left * mat.template triangularView<Mode>(), ge_left * tri);
     44 
     45   VERIFY_IS_APPROX( ge_xs.noalias() = mat.template triangularView<Mode>() * ge_right, tri * ge_right);
     46   VERIFY_IS_APPROX( ge_sx.noalias() = ge_left * mat.template triangularView<Mode>(), ge_left * tri);
     47 
     48   VERIFY_IS_APPROX( ge_xs.noalias() = (s1*mat.adjoint()).template triangularView<Mode>() * (s2*ge_left.transpose()), s1*triTr.conjugate() * (s2*ge_left.transpose()));
     49   VERIFY_IS_APPROX( ge_sx.noalias() = ge_right.transpose() * mat.adjoint().template triangularView<Mode>(), ge_right.transpose() * triTr.conjugate());
     50 
     51   VERIFY_IS_APPROX( ge_xs.noalias() = (s1*mat.adjoint()).template triangularView<Mode>() * (s2*ge_left.adjoint()), s1*triTr.conjugate() * (s2*ge_left.adjoint()));
     52   VERIFY_IS_APPROX( ge_sx.noalias() = ge_right.adjoint() * mat.adjoint().template triangularView<Mode>(), ge_right.adjoint() * triTr.conjugate());
     53 
     54   ge_xs_save = ge_xs;
     55   VERIFY_IS_APPROX( (ge_xs_save + s1*triTr.conjugate() * (s2*ge_left.adjoint())).eval(), ge_xs.noalias() += (s1*mat.adjoint()).template triangularView<Mode>() * (s2*ge_left.adjoint()) );
     56   ge_sx_save = ge_sx;
     57   VERIFY_IS_APPROX( ge_sx_save - (ge_right.adjoint() * (-s1 * triTr).conjugate()).eval(), ge_sx.noalias() -= (ge_right.adjoint() * (-s1 * mat).adjoint().template triangularView<Mode>()).eval());
     58 
     59   VERIFY_IS_APPROX( ge_xs = (s1*mat).adjoint().template triangularView<Mode>() * ge_left.adjoint(), internal::conj(s1) * triTr.conjugate() * ge_left.adjoint());
     60 
     61   // TODO check with sub-matrix expressions ?
     62 }
     63 
     64 template<typename Scalar, int Mode, int TriOrder>
     65 void trmv(int rows=internal::random<int>(1,EIGEN_TEST_MAX_SIZE), int cols=internal::random<int>(1,EIGEN_TEST_MAX_SIZE))
     66 {
     67   trmm<Scalar,Mode,TriOrder,ColMajor,ColMajor,1>(rows,cols,1);
     68 }
     69 
     70 template<typename Scalar, int Mode, int TriOrder, int OtherOrder, int ResOrder>
     71 void trmm(int rows=internal::random<int>(1,EIGEN_TEST_MAX_SIZE), int cols=internal::random<int>(1,EIGEN_TEST_MAX_SIZE), int otherCols = internal::random<int>(1,EIGEN_TEST_MAX_SIZE))
     72 {
     73   trmm<Scalar,Mode,TriOrder,OtherOrder,ResOrder,Dynamic>(rows,cols,otherCols);
     74 }
     75 
     76 #define CALL_ALL_ORDERS(NB,SCALAR,MODE)                                             \
     77   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, ColMajor,ColMajor,ColMajor>()));  \
     78   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, ColMajor,ColMajor,RowMajor>()));  \
     79   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, ColMajor,RowMajor,ColMajor>()));  \
     80   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, ColMajor,RowMajor,RowMajor>()));  \
     81   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, RowMajor,ColMajor,ColMajor>()));  \
     82   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, RowMajor,ColMajor,RowMajor>()));  \
     83   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, RowMajor,RowMajor,ColMajor>()));  \
     84   EIGEN_CAT(CALL_SUBTEST_,NB)((trmm<SCALAR, MODE, RowMajor,RowMajor,RowMajor>()));  \
     85   \
     86   EIGEN_CAT(CALL_SUBTEST_1,NB)((trmv<SCALAR, MODE, ColMajor>()));                   \
     87   EIGEN_CAT(CALL_SUBTEST_1,NB)((trmv<SCALAR, MODE, RowMajor>()));
     88 
     89 
     90 #define CALL_ALL(NB,SCALAR)                 \
     91   CALL_ALL_ORDERS(EIGEN_CAT(1,NB),SCALAR,Upper)          \
     92   CALL_ALL_ORDERS(EIGEN_CAT(2,NB),SCALAR,UnitUpper)      \
     93   CALL_ALL_ORDERS(EIGEN_CAT(3,NB),SCALAR,StrictlyUpper)  \
     94   CALL_ALL_ORDERS(EIGEN_CAT(1,NB),SCALAR,Lower)          \
     95   CALL_ALL_ORDERS(EIGEN_CAT(2,NB),SCALAR,UnitLower)      \
     96   CALL_ALL_ORDERS(EIGEN_CAT(3,NB),SCALAR,StrictlyLower)
     97 
     98 
     99 void test_product_trmm()
    100 {
    101   for(int i = 0; i < g_repeat ; i++)
    102   {
    103     CALL_ALL(1,float);                //  EIGEN_SUFFIXES;11;111;21;121;31;131
    104     CALL_ALL(2,double);               //  EIGEN_SUFFIXES;12;112;22;122;32;132
    105     CALL_ALL(3,std::complex<float>);  //  EIGEN_SUFFIXES;13;113;23;123;33;133
    106     CALL_ALL(4,std::complex<double>); //  EIGEN_SUFFIXES;14;114;24;124;34;134
    107   }
    108 }
    109