26 #ifndef EIGEN_STATIC_ASSERT_H
27 #define EIGEN_STATIC_ASSERT_H
42 #ifndef EIGEN_NO_STATIC_ASSERT
44 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(_MSC_VER) && (_MSC_VER >= 1600))
47 #define EIGEN_STATIC_ASSERT(X,MSG) static_assert(X,#MSG);
55 template<
bool condition>
56 struct static_assertion {};
59 struct static_assertion<true>
62 YOU_TRIED_CALLING_A_VECTOR_METHOD_ON_A_MATRIX,
63 YOU_MIXED_VECTORS_OF_DIFFERENT_SIZES,
64 YOU_MIXED_MATRICES_OF_DIFFERENT_SIZES,
65 THIS_METHOD_IS_ONLY_FOR_VECTORS_OF_A_SPECIFIC_SIZE,
66 THIS_METHOD_IS_ONLY_FOR_MATRICES_OF_A_SPECIFIC_SIZE,
67 THIS_METHOD_IS_ONLY_FOR_OBJECTS_OF_A_SPECIFIC_SIZE,
68 YOU_MADE_A_PROGRAMMING_MISTAKE,
69 EIGEN_INTERNAL_ERROR_PLEASE_FILE_A_BUG_REPORT,
70 EIGEN_INTERNAL_COMPILATION_ERROR_OR_YOU_MADE_A_PROGRAMMING_MISTAKE,
71 YOU_CALLED_A_FIXED_SIZE_METHOD_ON_A_DYNAMIC_SIZE_MATRIX_OR_VECTOR,
72 YOU_CALLED_A_DYNAMIC_SIZE_METHOD_ON_A_FIXED_SIZE_MATRIX_OR_VECTOR,
73 UNALIGNED_LOAD_AND_STORE_OPERATIONS_UNIMPLEMENTED_ON_ALTIVEC,
74 THIS_FUNCTION_IS_NOT_FOR_INTEGER_NUMERIC_TYPES,
75 FLOATING_POINT_ARGUMENT_PASSED__INTEGER_WAS_EXPECTED,
76 NUMERIC_TYPE_MUST_BE_REAL,
77 COEFFICIENT_WRITE_ACCESS_TO_SELFADJOINT_NOT_SUPPORTED,
78 WRITING_TO_TRIANGULAR_PART_WITH_UNIT_DIAGONAL_IS_NOT_SUPPORTED,
79 THIS_METHOD_IS_ONLY_FOR_FIXED_SIZE,
80 INVALID_MATRIX_PRODUCT,
81 INVALID_VECTOR_VECTOR_PRODUCT__IF_YOU_WANTED_A_DOT_OR_COEFF_WISE_PRODUCT_YOU_MUST_USE_THE_EXPLICIT_FUNCTIONS,
82 INVALID_MATRIX_PRODUCT__IF_YOU_WANTED_A_COEFF_WISE_PRODUCT_YOU_MUST_USE_THE_EXPLICIT_FUNCTION,
83 YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY,
84 THIS_METHOD_IS_ONLY_FOR_COLUMN_MAJOR_MATRICES,
85 THIS_METHOD_IS_ONLY_FOR_ROW_MAJOR_MATRICES,
86 INVALID_MATRIX_TEMPLATE_PARAMETERS,
87 INVALID_MATRIXBASE_TEMPLATE_PARAMETERS,
88 BOTH_MATRICES_MUST_HAVE_THE_SAME_STORAGE_ORDER,
89 THIS_METHOD_IS_ONLY_FOR_DIAGONAL_MATRIX,
90 THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE,
91 THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_WITH_DIRECT_MEMORY_ACCESS_SUCH_AS_MAP_OR_PLAIN_MATRICES,
92 YOU_ALREADY_SPECIFIED_THIS_STRIDE,
93 INVALID_STORAGE_ORDER_FOR_THIS_VECTOR_EXPRESSION,
94 THE_BRACKET_OPERATOR_IS_ONLY_FOR_VECTORS__USE_THE_PARENTHESIS_OPERATOR_INSTEAD,
95 PACKET_ACCESS_REQUIRES_TO_HAVE_INNER_STRIDE_FIXED_TO_1,
96 THIS_METHOD_IS_ONLY_FOR_SPECIFIC_TRANSFORMATIONS,
97 YOU_CANNOT_MIX_ARRAYS_AND_MATRICES,
98 YOU_PERFORMED_AN_INVALID_TRANSFORMATION_CONVERSION,
99 THIS_EXPRESSION_IS_NOT_A_LVALUE__IT_IS_READ_ONLY,
100 YOU_ARE_TRYING_TO_USE_AN_INDEX_BASED_ACCESSOR_ON_AN_EXPRESSION_THAT_DOES_NOT_SUPPORT_THAT,
101 THIS_METHOD_IS_ONLY_FOR_1x1_EXPRESSIONS,
102 THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_OF_BOOL,
103 THIS_METHOD_IS_ONLY_FOR_ARRAYS_NOT_MATRICES,
104 YOU_PASSED_A_ROW_VECTOR_BUT_A_COLUMN_VECTOR_WAS_EXPECTED,
105 YOU_PASSED_A_COLUMN_VECTOR_BUT_A_ROW_VECTOR_WAS_EXPECTED,
106 THE_INDEX_TYPE_MUST_BE_A_SIGNED_TYPE,
107 THE_STORAGE_ORDER_OF_BOTH_SIDES_MUST_MATCH
120 #define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
121 {Eigen::internal::static_assertion<bool(CONDITION)>::MSG;}
125 #define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
126 if (Eigen::internal::static_assertion<bool(CONDITION)>::MSG) {}
132 #else // EIGEN_NO_STATIC_ASSERT
134 #define EIGEN_STATIC_ASSERT(CONDITION,MSG) eigen_assert((CONDITION) && #MSG);
136 #endif // EIGEN_NO_STATIC_ASSERT
140 #define EIGEN_STATIC_ASSERT_VECTOR_ONLY(TYPE) \
141 EIGEN_STATIC_ASSERT(TYPE::IsVectorAtCompileTime, \
142 YOU_TRIED_CALLING_A_VECTOR_METHOD_ON_A_MATRIX)
145 #define EIGEN_STATIC_ASSERT_FIXED_SIZE(TYPE) \
146 EIGEN_STATIC_ASSERT(TYPE::SizeAtCompileTime!=Eigen::Dynamic, \
147 YOU_CALLED_A_FIXED_SIZE_METHOD_ON_A_DYNAMIC_SIZE_MATRIX_OR_VECTOR)
150 #define EIGEN_STATIC_ASSERT_DYNAMIC_SIZE(TYPE) \
151 EIGEN_STATIC_ASSERT(TYPE::SizeAtCompileTime==Eigen::Dynamic, \
152 YOU_CALLED_A_DYNAMIC_SIZE_METHOD_ON_A_FIXED_SIZE_MATRIX_OR_VECTOR)
155 #define EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(TYPE, SIZE) \
156 EIGEN_STATIC_ASSERT(TYPE::IsVectorAtCompileTime && TYPE::SizeAtCompileTime==SIZE, \
157 THIS_METHOD_IS_ONLY_FOR_VECTORS_OF_A_SPECIFIC_SIZE)
160 #define EIGEN_STATIC_ASSERT_MATRIX_SPECIFIC_SIZE(TYPE, ROWS, COLS) \
161 EIGEN_STATIC_ASSERT(TYPE::RowsAtCompileTime==ROWS && TYPE::ColsAtCompileTime==COLS, \
162 THIS_METHOD_IS_ONLY_FOR_MATRICES_OF_A_SPECIFIC_SIZE)
165 #define EIGEN_STATIC_ASSERT_SAME_VECTOR_SIZE(TYPE0,TYPE1) \
166 EIGEN_STATIC_ASSERT( \
167 (int(TYPE0::SizeAtCompileTime)==Eigen::Dynamic \
168 || int(TYPE1::SizeAtCompileTime)==Eigen::Dynamic \
169 || int(TYPE0::SizeAtCompileTime)==int(TYPE1::SizeAtCompileTime)),\
170 YOU_MIXED_VECTORS_OF_DIFFERENT_SIZES)
172 #define EIGEN_PREDICATE_SAME_MATRIX_SIZE(TYPE0,TYPE1) \
174 (int(TYPE0::SizeAtCompileTime)==0 && int(TYPE1::SizeAtCompileTime)==0) \
176 (int(TYPE0::RowsAtCompileTime)==Eigen::Dynamic \
177 || int(TYPE1::RowsAtCompileTime)==Eigen::Dynamic \
178 || int(TYPE0::RowsAtCompileTime)==int(TYPE1::RowsAtCompileTime)) \
179 && (int(TYPE0::ColsAtCompileTime)==Eigen::Dynamic \
180 || int(TYPE1::ColsAtCompileTime)==Eigen::Dynamic \
181 || int(TYPE0::ColsAtCompileTime)==int(TYPE1::ColsAtCompileTime))\
185 #ifdef EIGEN2_SUPPORT
186 #define EIGEN_STATIC_ASSERT_NON_INTEGER(TYPE) \
187 eigen_assert(!NumTraits<Scalar>::IsInteger);
189 #define EIGEN_STATIC_ASSERT_NON_INTEGER(TYPE) \
190 EIGEN_STATIC_ASSERT(!NumTraits<TYPE>::IsInteger, THIS_FUNCTION_IS_NOT_FOR_INTEGER_NUMERIC_TYPES)
195 #define EIGEN_STATIC_ASSERT_SAME_MATRIX_SIZE(TYPE0,TYPE1) \
196 EIGEN_STATIC_ASSERT( \
197 EIGEN_PREDICATE_SAME_MATRIX_SIZE(TYPE0,TYPE1),\
198 YOU_MIXED_MATRICES_OF_DIFFERENT_SIZES)
200 #define EIGEN_STATIC_ASSERT_SIZE_1x1(TYPE) \
201 EIGEN_STATIC_ASSERT((TYPE::RowsAtCompileTime == 1 || TYPE::RowsAtCompileTime == Dynamic) && \
202 (TYPE::ColsAtCompileTime == 1 || TYPE::ColsAtCompileTime == Dynamic), \
203 THIS_METHOD_IS_ONLY_FOR_1x1_EXPRESSIONS)
205 #define EIGEN_STATIC_ASSERT_LVALUE(Derived) \
206 EIGEN_STATIC_ASSERT(internal::is_lvalue<Derived>::value, \
207 THIS_EXPRESSION_IS_NOT_A_LVALUE__IT_IS_READ_ONLY)
209 #define EIGEN_STATIC_ASSERT_ARRAYXPR(Derived) \
210 EIGEN_STATIC_ASSERT((internal::is_same<typename internal::traits<Derived>::XprKind, ArrayXpr>::value), \
211 THIS_METHOD_IS_ONLY_FOR_ARRAYS_NOT_MATRICES)
213 #define EIGEN_STATIC_ASSERT_SAME_XPR_KIND(Derived1, Derived2) \
214 EIGEN_STATIC_ASSERT((internal::is_same<typename internal::traits<Derived1>::XprKind, \
215 typename internal::traits<Derived2>::XprKind \
217 YOU_CANNOT_MIX_ARRAYS_AND_MATRICES)
220 #endif // EIGEN_STATIC_ASSERT_H