[136] | 1 | // This file is part of Eigen, a lightweight C++ template library
|
---|
| 2 | // for linear algebra.
|
---|
| 3 | //
|
---|
| 4 | // Copyright (C) 20013 Gael Guennebaud <gael.guennebaud@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 | // This unit test cannot be easily written to work with EIGEN_DEFAULT_TO_ROW_MAJOR
|
---|
| 11 | #ifdef EIGEN_DEFAULT_TO_ROW_MAJOR
|
---|
| 12 | #undef EIGEN_DEFAULT_TO_ROW_MAJOR
|
---|
| 13 | #endif
|
---|
| 14 |
|
---|
| 15 | static int nb_temporaries;
|
---|
| 16 |
|
---|
| 17 | inline void on_temporary_creation(int) {
|
---|
| 18 | // here's a great place to set a breakpoint when debugging failures in this test!
|
---|
| 19 | nb_temporaries++;
|
---|
| 20 | }
|
---|
| 21 |
|
---|
| 22 |
|
---|
| 23 | #define EIGEN_DENSE_STORAGE_CTOR_PLUGIN { on_temporary_creation(size); }
|
---|
| 24 |
|
---|
| 25 | #include "main.h"
|
---|
| 26 |
|
---|
| 27 | #define VERIFY_EVALUATION_COUNT(XPR,N) {\
|
---|
| 28 | nb_temporaries = 0; \
|
---|
| 29 | XPR; \
|
---|
| 30 | if(nb_temporaries!=N) std::cerr << "nb_temporaries == " << nb_temporaries << "\n"; \
|
---|
| 31 | VERIFY( (#XPR) && nb_temporaries==N ); \
|
---|
| 32 | }
|
---|
| 33 |
|
---|
| 34 |
|
---|
| 35 | // test Ref.h
|
---|
| 36 |
|
---|
| 37 | // Deal with i387 extended precision
|
---|
| 38 | #if EIGEN_ARCH_i386 && !(EIGEN_ARCH_x86_64)
|
---|
| 39 |
|
---|
| 40 | #if EIGEN_COMP_GNUC_STRICT && EIGEN_GNUC_AT_LEAST(4,4)
|
---|
| 41 | #pragma GCC optimize ("-ffloat-store")
|
---|
| 42 | #else
|
---|
| 43 | #undef VERIFY_IS_EQUAL
|
---|
| 44 | #define VERIFY_IS_EQUAL(X,Y) VERIFY_IS_APPROX(X,Y)
|
---|
| 45 | #endif
|
---|
| 46 |
|
---|
| 47 | #endif
|
---|
| 48 |
|
---|
| 49 | template<typename MatrixType> void ref_matrix(const MatrixType& m)
|
---|
| 50 | {
|
---|
| 51 | typedef typename MatrixType::Index Index;
|
---|
| 52 | typedef typename MatrixType::Scalar Scalar;
|
---|
| 53 | typedef typename MatrixType::RealScalar RealScalar;
|
---|
| 54 | typedef Matrix<Scalar,Dynamic,Dynamic,MatrixType::Options> DynMatrixType;
|
---|
| 55 | typedef Matrix<RealScalar,Dynamic,Dynamic,MatrixType::Options> RealDynMatrixType;
|
---|
| 56 |
|
---|
| 57 | typedef Ref<MatrixType> RefMat;
|
---|
| 58 | typedef Ref<DynMatrixType> RefDynMat;
|
---|
| 59 | typedef Ref<const DynMatrixType> ConstRefDynMat;
|
---|
| 60 | typedef Ref<RealDynMatrixType , 0, Stride<Dynamic,Dynamic> > RefRealMatWithStride;
|
---|
| 61 |
|
---|
| 62 | Index rows = m.rows(), cols = m.cols();
|
---|
| 63 |
|
---|
| 64 | MatrixType m1 = MatrixType::Random(rows, cols),
|
---|
| 65 | m2 = m1;
|
---|
| 66 |
|
---|
| 67 | Index i = internal::random<Index>(0,rows-1);
|
---|
| 68 | Index j = internal::random<Index>(0,cols-1);
|
---|
| 69 | Index brows = internal::random<Index>(1,rows-i);
|
---|
| 70 | Index bcols = internal::random<Index>(1,cols-j);
|
---|
| 71 |
|
---|
| 72 | RefMat rm0 = m1;
|
---|
| 73 | VERIFY_IS_EQUAL(rm0, m1);
|
---|
| 74 | RefDynMat rm1 = m1;
|
---|
| 75 | VERIFY_IS_EQUAL(rm1, m1);
|
---|
| 76 | RefDynMat rm2 = m1.block(i,j,brows,bcols);
|
---|
| 77 | VERIFY_IS_EQUAL(rm2, m1.block(i,j,brows,bcols));
|
---|
| 78 | rm2.setOnes();
|
---|
| 79 | m2.block(i,j,brows,bcols).setOnes();
|
---|
| 80 | VERIFY_IS_EQUAL(m1, m2);
|
---|
| 81 |
|
---|
| 82 | m2.block(i,j,brows,bcols).setRandom();
|
---|
| 83 | rm2 = m2.block(i,j,brows,bcols);
|
---|
| 84 | VERIFY_IS_EQUAL(m1, m2);
|
---|
| 85 |
|
---|
| 86 | ConstRefDynMat rm3 = m1.block(i,j,brows,bcols);
|
---|
| 87 | m1.block(i,j,brows,bcols) *= 2;
|
---|
| 88 | m2.block(i,j,brows,bcols) *= 2;
|
---|
| 89 | VERIFY_IS_EQUAL(rm3, m2.block(i,j,brows,bcols));
|
---|
| 90 | RefRealMatWithStride rm4 = m1.real();
|
---|
| 91 | VERIFY_IS_EQUAL(rm4, m2.real());
|
---|
| 92 | rm4.array() += 1;
|
---|
| 93 | m2.real().array() += 1;
|
---|
| 94 | VERIFY_IS_EQUAL(m1, m2);
|
---|
| 95 | }
|
---|
| 96 |
|
---|
| 97 | template<typename VectorType> void ref_vector(const VectorType& m)
|
---|
| 98 | {
|
---|
| 99 | typedef typename VectorType::Index Index;
|
---|
| 100 | typedef typename VectorType::Scalar Scalar;
|
---|
| 101 | typedef typename VectorType::RealScalar RealScalar;
|
---|
| 102 | typedef Matrix<Scalar,Dynamic,1,VectorType::Options> DynMatrixType;
|
---|
| 103 | typedef Matrix<Scalar,Dynamic,Dynamic,ColMajor> MatrixType;
|
---|
| 104 | typedef Matrix<RealScalar,Dynamic,1,VectorType::Options> RealDynMatrixType;
|
---|
| 105 |
|
---|
| 106 | typedef Ref<VectorType> RefMat;
|
---|
| 107 | typedef Ref<DynMatrixType> RefDynMat;
|
---|
| 108 | typedef Ref<const DynMatrixType> ConstRefDynMat;
|
---|
| 109 | typedef Ref<RealDynMatrixType , 0, InnerStride<> > RefRealMatWithStride;
|
---|
| 110 | typedef Ref<DynMatrixType , 0, InnerStride<> > RefMatWithStride;
|
---|
| 111 |
|
---|
| 112 | Index size = m.size();
|
---|
| 113 |
|
---|
| 114 | VectorType v1 = VectorType::Random(size),
|
---|
| 115 | v2 = v1;
|
---|
| 116 | MatrixType mat1 = MatrixType::Random(size,size),
|
---|
| 117 | mat2 = mat1,
|
---|
| 118 | mat3 = MatrixType::Random(size,size);
|
---|
| 119 |
|
---|
| 120 | Index i = internal::random<Index>(0,size-1);
|
---|
| 121 | Index bsize = internal::random<Index>(1,size-i);
|
---|
| 122 |
|
---|
| 123 | RefMat rm0 = v1;
|
---|
| 124 | VERIFY_IS_EQUAL(rm0, v1);
|
---|
| 125 | RefDynMat rv1 = v1;
|
---|
| 126 | VERIFY_IS_EQUAL(rv1, v1);
|
---|
| 127 | RefDynMat rv2 = v1.segment(i,bsize);
|
---|
| 128 | VERIFY_IS_EQUAL(rv2, v1.segment(i,bsize));
|
---|
| 129 | rv2.setOnes();
|
---|
| 130 | v2.segment(i,bsize).setOnes();
|
---|
| 131 | VERIFY_IS_EQUAL(v1, v2);
|
---|
| 132 |
|
---|
| 133 | v2.segment(i,bsize).setRandom();
|
---|
| 134 | rv2 = v2.segment(i,bsize);
|
---|
| 135 | VERIFY_IS_EQUAL(v1, v2);
|
---|
| 136 |
|
---|
| 137 | ConstRefDynMat rm3 = v1.segment(i,bsize);
|
---|
| 138 | v1.segment(i,bsize) *= 2;
|
---|
| 139 | v2.segment(i,bsize) *= 2;
|
---|
| 140 | VERIFY_IS_EQUAL(rm3, v2.segment(i,bsize));
|
---|
| 141 |
|
---|
| 142 | RefRealMatWithStride rm4 = v1.real();
|
---|
| 143 | VERIFY_IS_EQUAL(rm4, v2.real());
|
---|
| 144 | rm4.array() += 1;
|
---|
| 145 | v2.real().array() += 1;
|
---|
| 146 | VERIFY_IS_EQUAL(v1, v2);
|
---|
| 147 |
|
---|
| 148 | RefMatWithStride rm5 = mat1.row(i).transpose();
|
---|
| 149 | VERIFY_IS_EQUAL(rm5, mat1.row(i).transpose());
|
---|
| 150 | rm5.array() += 1;
|
---|
| 151 | mat2.row(i).array() += 1;
|
---|
| 152 | VERIFY_IS_EQUAL(mat1, mat2);
|
---|
| 153 | rm5.noalias() = rm4.transpose() * mat3;
|
---|
| 154 | mat2.row(i) = v2.real().transpose() * mat3;
|
---|
| 155 | VERIFY_IS_APPROX(mat1, mat2);
|
---|
| 156 | }
|
---|
| 157 |
|
---|
| 158 | template<typename PlainObjectType> void check_const_correctness(const PlainObjectType&)
|
---|
| 159 | {
|
---|
| 160 | // verify that ref-to-const don't have LvalueBit
|
---|
| 161 | typedef typename internal::add_const<PlainObjectType>::type ConstPlainObjectType;
|
---|
| 162 | VERIFY( !(internal::traits<Ref<ConstPlainObjectType> >::Flags & LvalueBit) );
|
---|
| 163 | VERIFY( !(internal::traits<Ref<ConstPlainObjectType, Aligned> >::Flags & LvalueBit) );
|
---|
| 164 | VERIFY( !(Ref<ConstPlainObjectType>::Flags & LvalueBit) );
|
---|
| 165 | VERIFY( !(Ref<ConstPlainObjectType, Aligned>::Flags & LvalueBit) );
|
---|
| 166 | }
|
---|
| 167 |
|
---|
| 168 | template<typename B>
|
---|
| 169 | EIGEN_DONT_INLINE void call_ref_1(Ref<VectorXf> a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 170 | template<typename B>
|
---|
| 171 | EIGEN_DONT_INLINE void call_ref_2(const Ref<const VectorXf>& a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 172 | template<typename B>
|
---|
| 173 | EIGEN_DONT_INLINE void call_ref_3(Ref<VectorXf,0,InnerStride<> > a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 174 | template<typename B>
|
---|
| 175 | EIGEN_DONT_INLINE void call_ref_4(const Ref<const VectorXf,0,InnerStride<> >& a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 176 | template<typename B>
|
---|
| 177 | EIGEN_DONT_INLINE void call_ref_5(Ref<MatrixXf,0,OuterStride<> > a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 178 | template<typename B>
|
---|
| 179 | EIGEN_DONT_INLINE void call_ref_6(const Ref<const MatrixXf,0,OuterStride<> >& a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 180 | template<typename B>
|
---|
| 181 | EIGEN_DONT_INLINE void call_ref_7(Ref<Matrix<float,Dynamic,3> > a, const B &b) { VERIFY_IS_EQUAL(a,b); }
|
---|
| 182 |
|
---|
| 183 | void call_ref()
|
---|
| 184 | {
|
---|
| 185 | VectorXcf ca = VectorXcf::Random(10);
|
---|
| 186 | VectorXf a = VectorXf::Random(10);
|
---|
| 187 | RowVectorXf b = RowVectorXf::Random(10);
|
---|
| 188 | MatrixXf A = MatrixXf::Random(10,10);
|
---|
| 189 | RowVector3f c = RowVector3f::Random();
|
---|
| 190 | const VectorXf& ac(a);
|
---|
| 191 | VectorBlock<VectorXf> ab(a,0,3);
|
---|
| 192 | const VectorBlock<VectorXf> abc(a,0,3);
|
---|
| 193 |
|
---|
| 194 |
|
---|
| 195 | VERIFY_EVALUATION_COUNT( call_ref_1(a,a), 0);
|
---|
| 196 | VERIFY_EVALUATION_COUNT( call_ref_1(b,b.transpose()), 0);
|
---|
| 197 | // call_ref_1(ac,a<c); // does not compile because ac is const
|
---|
| 198 | VERIFY_EVALUATION_COUNT( call_ref_1(ab,ab), 0);
|
---|
| 199 | VERIFY_EVALUATION_COUNT( call_ref_1(a.head(4),a.head(4)), 0);
|
---|
| 200 | VERIFY_EVALUATION_COUNT( call_ref_1(abc,abc), 0);
|
---|
| 201 | VERIFY_EVALUATION_COUNT( call_ref_1(A.col(3),A.col(3)), 0);
|
---|
| 202 | // call_ref_1(A.row(3),A.row(3)); // does not compile because innerstride!=1
|
---|
| 203 | VERIFY_EVALUATION_COUNT( call_ref_3(A.row(3),A.row(3).transpose()), 0);
|
---|
| 204 | VERIFY_EVALUATION_COUNT( call_ref_4(A.row(3),A.row(3).transpose()), 0);
|
---|
| 205 | // call_ref_1(a+a, a+a); // does not compile for obvious reason
|
---|
| 206 |
|
---|
| 207 | MatrixXf tmp = A*A.col(1);
|
---|
| 208 | VERIFY_EVALUATION_COUNT( call_ref_2(A*A.col(1), tmp), 1); // evaluated into a temp
|
---|
| 209 | VERIFY_EVALUATION_COUNT( call_ref_2(ac.head(5),ac.head(5)), 0);
|
---|
| 210 | VERIFY_EVALUATION_COUNT( call_ref_2(ac,ac), 0);
|
---|
| 211 | VERIFY_EVALUATION_COUNT( call_ref_2(a,a), 0);
|
---|
| 212 | VERIFY_EVALUATION_COUNT( call_ref_2(ab,ab), 0);
|
---|
| 213 | VERIFY_EVALUATION_COUNT( call_ref_2(a.head(4),a.head(4)), 0);
|
---|
| 214 | tmp = a+a;
|
---|
| 215 | VERIFY_EVALUATION_COUNT( call_ref_2(a+a,tmp), 1); // evaluated into a temp
|
---|
| 216 | VERIFY_EVALUATION_COUNT( call_ref_2(ca.imag(),ca.imag()), 1); // evaluated into a temp
|
---|
| 217 |
|
---|
| 218 | VERIFY_EVALUATION_COUNT( call_ref_4(ac.head(5),ac.head(5)), 0);
|
---|
| 219 | tmp = a+a;
|
---|
| 220 | VERIFY_EVALUATION_COUNT( call_ref_4(a+a,tmp), 1); // evaluated into a temp
|
---|
| 221 | VERIFY_EVALUATION_COUNT( call_ref_4(ca.imag(),ca.imag()), 0);
|
---|
| 222 |
|
---|
| 223 | VERIFY_EVALUATION_COUNT( call_ref_5(a,a), 0);
|
---|
| 224 | VERIFY_EVALUATION_COUNT( call_ref_5(a.head(3),a.head(3)), 0);
|
---|
| 225 | VERIFY_EVALUATION_COUNT( call_ref_5(A,A), 0);
|
---|
| 226 | // call_ref_5(A.transpose(),A.transpose()); // does not compile because storage order does not match
|
---|
| 227 | VERIFY_EVALUATION_COUNT( call_ref_5(A.block(1,1,2,2),A.block(1,1,2,2)), 0);
|
---|
| 228 | VERIFY_EVALUATION_COUNT( call_ref_5(b,b), 0); // storage order do not match, but this is a degenerate case that should work
|
---|
| 229 | VERIFY_EVALUATION_COUNT( call_ref_5(a.row(3),a.row(3)), 0);
|
---|
| 230 |
|
---|
| 231 | VERIFY_EVALUATION_COUNT( call_ref_6(a,a), 0);
|
---|
| 232 | VERIFY_EVALUATION_COUNT( call_ref_6(a.head(3),a.head(3)), 0);
|
---|
| 233 | VERIFY_EVALUATION_COUNT( call_ref_6(A.row(3),A.row(3)), 1); // evaluated into a temp thouth it could be avoided by viewing it as a 1xn matrix
|
---|
| 234 | tmp = A+A;
|
---|
| 235 | VERIFY_EVALUATION_COUNT( call_ref_6(A+A,tmp), 1); // evaluated into a temp
|
---|
| 236 | VERIFY_EVALUATION_COUNT( call_ref_6(A,A), 0);
|
---|
| 237 | VERIFY_EVALUATION_COUNT( call_ref_6(A.transpose(),A.transpose()), 1); // evaluated into a temp because the storage orders do not match
|
---|
| 238 | VERIFY_EVALUATION_COUNT( call_ref_6(A.block(1,1,2,2),A.block(1,1,2,2)), 0);
|
---|
| 239 |
|
---|
| 240 | VERIFY_EVALUATION_COUNT( call_ref_7(c,c), 0);
|
---|
| 241 | }
|
---|
| 242 |
|
---|
| 243 | typedef Matrix<double,Dynamic,Dynamic,RowMajor> RowMatrixXd;
|
---|
| 244 | int test_ref_overload_fun1(Ref<MatrixXd> ) { return 1; }
|
---|
| 245 | int test_ref_overload_fun1(Ref<RowMatrixXd> ) { return 2; }
|
---|
| 246 | int test_ref_overload_fun1(Ref<MatrixXf> ) { return 3; }
|
---|
| 247 |
|
---|
| 248 | int test_ref_overload_fun2(Ref<const MatrixXd> ) { return 4; }
|
---|
| 249 | int test_ref_overload_fun2(Ref<const MatrixXf> ) { return 5; }
|
---|
| 250 |
|
---|
| 251 | // See also bug 969
|
---|
| 252 | void test_ref_overloads()
|
---|
| 253 | {
|
---|
| 254 | MatrixXd Ad, Bd;
|
---|
| 255 | RowMatrixXd rAd, rBd;
|
---|
| 256 | VERIFY( test_ref_overload_fun1(Ad)==1 );
|
---|
| 257 | VERIFY( test_ref_overload_fun1(rAd)==2 );
|
---|
| 258 |
|
---|
| 259 | MatrixXf Af, Bf;
|
---|
| 260 | VERIFY( test_ref_overload_fun2(Ad)==4 );
|
---|
| 261 | VERIFY( test_ref_overload_fun2(Ad+Bd)==4 );
|
---|
| 262 | VERIFY( test_ref_overload_fun2(Af+Bf)==5 );
|
---|
| 263 | }
|
---|
| 264 |
|
---|
| 265 | void test_ref()
|
---|
| 266 | {
|
---|
| 267 | for(int i = 0; i < g_repeat; i++) {
|
---|
| 268 | CALL_SUBTEST_1( ref_vector(Matrix<float, 1, 1>()) );
|
---|
| 269 | CALL_SUBTEST_1( check_const_correctness(Matrix<float, 1, 1>()) );
|
---|
| 270 | CALL_SUBTEST_2( ref_vector(Vector4d()) );
|
---|
| 271 | CALL_SUBTEST_2( check_const_correctness(Matrix4d()) );
|
---|
| 272 | CALL_SUBTEST_3( ref_vector(Vector4cf()) );
|
---|
| 273 | CALL_SUBTEST_4( ref_vector(VectorXcf(8)) );
|
---|
| 274 | CALL_SUBTEST_5( ref_vector(VectorXi(12)) );
|
---|
| 275 | CALL_SUBTEST_5( check_const_correctness(VectorXi(12)) );
|
---|
| 276 |
|
---|
| 277 | CALL_SUBTEST_1( ref_matrix(Matrix<float, 1, 1>()) );
|
---|
| 278 | CALL_SUBTEST_2( ref_matrix(Matrix4d()) );
|
---|
| 279 | CALL_SUBTEST_1( ref_matrix(Matrix<float,3,5>()) );
|
---|
| 280 | CALL_SUBTEST_4( ref_matrix(MatrixXcf(internal::random<int>(1,10),internal::random<int>(1,10))) );
|
---|
| 281 | CALL_SUBTEST_4( ref_matrix(Matrix<std::complex<double>,10,15>()) );
|
---|
| 282 | CALL_SUBTEST_5( ref_matrix(MatrixXi(internal::random<int>(1,10),internal::random<int>(1,10))) );
|
---|
| 283 | CALL_SUBTEST_6( call_ref() );
|
---|
| 284 | }
|
---|
| 285 |
|
---|
| 286 | CALL_SUBTEST_7( test_ref_overloads() );
|
---|
| 287 | }
|
---|