1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 20015 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This unit test cannot be easily written to work with EIGEN_DEFAULT_TO_ROW_MAJOR
#ifdef EIGEN_DEFAULT_TO_ROW_MAJOR
#undef EIGEN_DEFAULT_TO_ROW_MAJOR
#endif
static long int nb_temporaries;
inline void on_temporary_creation() {
// here's a great place to set a breakpoint when debugging failures in this test!
nb_temporaries++;
}
#define EIGEN_SPARSE_CREATE_TEMPORARY_PLUGIN { on_temporary_creation(); }
#include "main.h"
#include <Eigen/SparseCore>
#define VERIFY_EVALUATION_COUNT(XPR,N) {\
nb_temporaries = 0; \
CALL_SUBTEST( XPR ); \
if(nb_temporaries!=N) std::cerr << "nb_temporaries == " << nb_temporaries << "\n"; \
VERIFY( (#XPR) && nb_temporaries==N ); \
}
template<typename PlainObjectType> void check_const_correctness(const PlainObjectType&)
{
// verify that ref-to-const don't have LvalueBit
typedef typename internal::add_const<PlainObjectType>::type ConstPlainObjectType;
VERIFY( !(internal::traits<Ref<ConstPlainObjectType> >::Flags & LvalueBit) );
VERIFY( !(internal::traits<Ref<ConstPlainObjectType, Aligned> >::Flags & LvalueBit) );
VERIFY( !(Ref<ConstPlainObjectType>::Flags & LvalueBit) );
VERIFY( !(Ref<ConstPlainObjectType, Aligned>::Flags & LvalueBit) );
}
template<typename B>
EIGEN_DONT_INLINE void call_ref_1(Ref<SparseMatrix<float> > a, const B &b) { VERIFY_IS_EQUAL(a.toDense(),b.toDense()); }
template<typename B>
EIGEN_DONT_INLINE void call_ref_2(const Ref<const SparseMatrix<float> >& a, const B &b) { VERIFY_IS_EQUAL(a.toDense(),b.toDense()); }
template<typename B>
EIGEN_DONT_INLINE void call_ref_3(const Ref<const SparseMatrix<float>, StandardCompressedFormat>& a, const B &b) {
VERIFY(a.isCompressed());
VERIFY_IS_EQUAL(a.toDense(),b.toDense());
}
template<typename B>
EIGEN_DONT_INLINE void call_ref_4(Ref<SparseVector<float> > a, const B &b) { VERIFY_IS_EQUAL(a.toDense(),b.toDense()); }
template<typename B>
EIGEN_DONT_INLINE void call_ref_5(const Ref<const SparseVector<float> >& a, const B &b) { VERIFY_IS_EQUAL(a.toDense(),b.toDense()); }
void call_ref()
{
SparseMatrix<float> A = MatrixXf::Random(10,10).sparseView(0.5,1);
SparseMatrix<float,RowMajor> B = MatrixXf::Random(10,10).sparseView(0.5,1);
SparseMatrix<float> C = MatrixXf::Random(10,10).sparseView(0.5,1);
C.reserve(VectorXi::Constant(C.outerSize(), 2));
const SparseMatrix<float>& Ac(A);
Block<SparseMatrix<float> > Ab(A,0,1, 3,3);
const Block<SparseMatrix<float> > Abc(A,0,1,3,3);
SparseVector<float> vc = VectorXf::Random(10).sparseView(0.5,1);
SparseVector<float,RowMajor> vr = VectorXf::Random(10).sparseView(0.5,1);
SparseMatrix<float> AA = A*A;
VERIFY_EVALUATION_COUNT( call_ref_1(A, A), 0);
// VERIFY_EVALUATION_COUNT( call_ref_1(Ac, Ac), 0); // does not compile on purpose
VERIFY_EVALUATION_COUNT( call_ref_2(A, A), 0);
VERIFY_EVALUATION_COUNT( call_ref_3(A, A), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(A.transpose(), A.transpose()), 1);
VERIFY_EVALUATION_COUNT( call_ref_3(A.transpose(), A.transpose()), 1);
VERIFY_EVALUATION_COUNT( call_ref_2(Ac,Ac), 0);
VERIFY_EVALUATION_COUNT( call_ref_3(Ac,Ac), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(A+A,2*Ac), 1);
VERIFY_EVALUATION_COUNT( call_ref_3(A+A,2*Ac), 1);
VERIFY_EVALUATION_COUNT( call_ref_2(B, B), 1);
VERIFY_EVALUATION_COUNT( call_ref_3(B, B), 1);
VERIFY_EVALUATION_COUNT( call_ref_2(B.transpose(), B.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_3(B.transpose(), B.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(A*A, AA), 3);
VERIFY_EVALUATION_COUNT( call_ref_3(A*A, AA), 3);
VERIFY(!C.isCompressed());
VERIFY_EVALUATION_COUNT( call_ref_3(C, C), 1);
Ref<SparseMatrix<float> > Ar(A);
VERIFY_IS_APPROX(Ar+Ar, A+A);
VERIFY_EVALUATION_COUNT( call_ref_1(Ar, A), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(Ar, A), 0);
Ref<SparseMatrix<float,RowMajor> > Br(B);
VERIFY_EVALUATION_COUNT( call_ref_1(Br.transpose(), Br.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(Br, Br), 1);
VERIFY_EVALUATION_COUNT( call_ref_2(Br.transpose(), Br.transpose()), 0);
Ref<const SparseMatrix<float> > Arc(A);
// VERIFY_EVALUATION_COUNT( call_ref_1(Arc, Arc), 0); // does not compile on purpose
VERIFY_EVALUATION_COUNT( call_ref_2(Arc, Arc), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(A.middleCols(1,3), A.middleCols(1,3)), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(A.col(2), A.col(2)), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(vc, vc), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(vr.transpose(), vr.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(vr, vr.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_2(A.block(1,1,3,3), A.block(1,1,3,3)), 1); // should be 0 (allocate starts/nnz only)
VERIFY_EVALUATION_COUNT( call_ref_4(vc, vc), 0);
VERIFY_EVALUATION_COUNT( call_ref_4(vr, vr.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_5(vc, vc), 0);
VERIFY_EVALUATION_COUNT( call_ref_5(vr, vr.transpose()), 0);
VERIFY_EVALUATION_COUNT( call_ref_4(A.col(2), A.col(2)), 0);
VERIFY_EVALUATION_COUNT( call_ref_5(A.col(2), A.col(2)), 0);
// VERIFY_EVALUATION_COUNT( call_ref_4(A.row(2), A.row(2).transpose()), 1); // does not compile on purpose
VERIFY_EVALUATION_COUNT( call_ref_5(A.row(2), A.row(2).transpose()), 1);
}
void test_sparse_ref()
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1( check_const_correctness(SparseMatrix<float>()) );
CALL_SUBTEST_1( check_const_correctness(SparseMatrix<double,RowMajor>()) );
CALL_SUBTEST_2( call_ref() );
CALL_SUBTEST_3( check_const_correctness(SparseVector<float>()) );
CALL_SUBTEST_3( check_const_correctness(SparseVector<double,RowMajor>()) );
}
}
|
