Changeset 1064 for library/tests/testsuite/square_mat_test.cpp
- Timestamp:
- 06/09/10 14:00:40 (14 years ago)
- Files:
-
- 1 modified
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library/tests/testsuite/square_mat_test.cpp (modified) (1 diff)
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library/tests/testsuite/square_mat_test.cpp
r998 r1064 16 16 template<typename TMatrix> 17 17 void test_square_matrix ( double epsilon ) { 18 19 20 18 int sz = 3; 19 mat A0 = randu ( sz, sz ); 20 mat A = A0 * A0.T(); 21 21 22 23 24 25 22 // ----------- SIZES --------- 23 TMatrix sq_mat ( A ); 24 CHECK_EQUAL ( sz, sq_mat.rows() ); 25 CHECK_EQUAL ( sz, sq_mat.cols() ); 26 26 27 28 29 27 // ----------- FULL MAT --------- 28 mat res = sq_mat.to_mat(); 29 CHECK_CLOSE ( A, res, epsilon ); 30 30 31 32 33 34 35 31 // ----------- OUTER PRODUCT UPDATE --------- 32 vec v = randu ( sz ); 33 double w = randu(); 34 TMatrix sq_mat2 = sq_mat; 35 sq_mat2.opupdt ( v, w ); 36 36 37 38 37 res = A + w * outer_product ( v, v ); 38 CHECK_CLOSE ( res, sq_mat2.to_mat(), epsilon ); 39 39 40 41 42 43 44 40 // ----------- INVERSION --------- 41 TMatrix invmat ( sz ); 42 sq_mat.inv ( invmat ); 43 mat invA = inv ( A ); 44 CHECK_CLOSE ( invA, invmat.to_mat(), epsilon ); 45 45 46 47 48 46 // ----------- DETERMINANT --------- 47 double d = det ( A ); 48 CHECK_CLOSE ( log ( d ), sq_mat.logdet(), epsilon ); 49 49 50 51 52 50 // ----------- QUADRATIC FORM --------- 51 double q = sq_mat.qform ( ones ( sz ) ); 52 CHECK_CLOSE ( sumsum ( A ), q, epsilon ); 53 53 54 55 56 54 q = sq_mat.qform ( v ); 55 double r = ( A * v ) * v; 56 CHECK_CLOSE ( r, q, epsilon ); 57 57 58 59 60 58 q = sq_mat.invqform ( v ); 59 r = ( invA * v ) * v; 60 CHECK_CLOSE ( r, q, epsilon ); 61 61 62 63 64 62 sq_mat2 = sq_mat; 63 sq_mat2.clear(); 64 CHECK_EQUAL ( 0, sq_mat2.qform ( ones ( sz ) ) ); 65 65 66 // ----------- + operator --------- 67 68 69 70 66 // ----------- + operator --------- 67 TMatrix twice = sq_mat; 68 twice += sq_mat; 69 res = 2 * A; 70 CHECK_CLOSE ( res, twice.to_mat(), epsilon ); 71 71 72 // ----------- * operator --------- 73 74 75 72 // ----------- * operator --------- 73 twice = sq_mat; 74 twice *= 2; 75 CHECK_CLOSE ( res, twice.to_mat(), epsilon ); 76 76 77 // ----------- MULTIPLICATION --------- 78 79 80 81 82 77 // ----------- MULTIPLICATION --------- 78 sq_mat2 = sq_mat; 79 mat B = randu ( sz, sz ); 80 sq_mat2.mult_sym ( B ); 81 res = ( B * A ) * B.T(); 82 CHECK_CLOSE ( res, sq_mat2.to_mat(), epsilon ); 83 83 84 85 86 87 88 84 mat C = randu ( sz, sz - 1 ); 85 TMatrix CAC ( sz - 1 ); 86 sq_mat.mult_sym_t ( C, CAC ); 87 res = ( C.T() * A ) * C; 88 CHECK_CLOSE ( res, CAC.to_mat(), epsilon ); 89 89 90 sq_mat2 = sq_mat; 91 sq_mat2.mult_sym_t ( B ); 92 res = ( B.T() * A ) * B; 93 CHECK_CLOSE ( res, sq_mat2.to_mat(), epsilon ); 94 95 // ----------- PERMUTATION --------- 96 mat M1 = randu (sz,sz); 97 mat M = M1*M1.T(); 98 vec perm_v_rand = randu(sz); 99 ivec perm_v_ids = sort_index(perm_v_rand); 100 101 mat Mperm_c=M.get_cols(perm_v_ids); 102 mat Mperm=Mperm_c.get_rows(perm_v_ids); 103 104 TMatrix T(M); 105 TMatrix Tperm(T,perm_v_ids); 90 sq_mat2 = sq_mat; 91 sq_mat2.mult_sym_t ( B ); 92 res = ( B.T() * A ) * B; 93 CHECK_CLOSE ( res, sq_mat2.to_mat(), epsilon ); 106 94 107 CHECK_CLOSE(Tperm.to_mat(), Mperm, epsilon); 95 // ----------- PERMUTATION --------- 96 mat M1 = randu (sz,sz); 97 mat M = M1*M1.T(); 98 vec perm_v_rand = randu(sz); 99 ivec perm_v_ids = sort_index(perm_v_rand); 100 101 mat Mperm_c=M.get_cols(perm_v_ids); 102 mat Mperm=Mperm_c.get_rows(perm_v_ids); 103 104 TMatrix T(M); 105 TMatrix Tperm(T,perm_v_ids); 106 107 CHECK_CLOSE(Tperm.to_mat(), Mperm, epsilon); 108 108 } 109 109 110 110 TEST ( ldmat_test ) { 111 111 test_square_matrix<ldmat> ( epsilon ); 112 112 } 113 113 114 114 TEST ( fsqmat_test ) { 115 115 test_square_matrix<fsqmat> ( epsilon ); 116 116 } 117 117 118 118 TEST ( chmat_test ) { 119 119 test_square_matrix<chmat> ( epsilon ); 120 120 }
