11 #ifndef EIGEN_STATIC_ASSERT_H
12 #define EIGEN_STATIC_ASSERT_H
27 #ifndef EIGEN_NO_STATIC_ASSERT
29 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(_MSC_VER) && (_MSC_VER >= 1600))
32 #define EIGEN_STATIC_ASSERT(X,MSG) static_assert(X,#MSG);
40 template<
bool condition>
41 struct static_assertion {};
44 struct static_assertion<true>
47 YOU_TRIED_CALLING_A_VECTOR_METHOD_ON_A_MATRIX,
48 YOU_MIXED_VECTORS_OF_DIFFERENT_SIZES,
49 YOU_MIXED_MATRICES_OF_DIFFERENT_SIZES,
50 THIS_METHOD_IS_ONLY_FOR_VECTORS_OF_A_SPECIFIC_SIZE,
51 THIS_METHOD_IS_ONLY_FOR_MATRICES_OF_A_SPECIFIC_SIZE,
52 THIS_METHOD_IS_ONLY_FOR_OBJECTS_OF_A_SPECIFIC_SIZE,
53 YOU_MADE_A_PROGRAMMING_MISTAKE,
54 EIGEN_INTERNAL_ERROR_PLEASE_FILE_A_BUG_REPORT,
55 EIGEN_INTERNAL_COMPILATION_ERROR_OR_YOU_MADE_A_PROGRAMMING_MISTAKE,
56 YOU_CALLED_A_FIXED_SIZE_METHOD_ON_A_DYNAMIC_SIZE_MATRIX_OR_VECTOR,
57 YOU_CALLED_A_DYNAMIC_SIZE_METHOD_ON_A_FIXED_SIZE_MATRIX_OR_VECTOR,
58 UNALIGNED_LOAD_AND_STORE_OPERATIONS_UNIMPLEMENTED_ON_ALTIVEC,
59 THIS_FUNCTION_IS_NOT_FOR_INTEGER_NUMERIC_TYPES,
60 FLOATING_POINT_ARGUMENT_PASSED__INTEGER_WAS_EXPECTED,
61 NUMERIC_TYPE_MUST_BE_REAL,
62 COEFFICIENT_WRITE_ACCESS_TO_SELFADJOINT_NOT_SUPPORTED,
63 WRITING_TO_TRIANGULAR_PART_WITH_UNIT_DIAGONAL_IS_NOT_SUPPORTED,
64 THIS_METHOD_IS_ONLY_FOR_FIXED_SIZE,
65 INVALID_MATRIX_PRODUCT,
66 INVALID_VECTOR_VECTOR_PRODUCT__IF_YOU_WANTED_A_DOT_OR_COEFF_WISE_PRODUCT_YOU_MUST_USE_THE_EXPLICIT_FUNCTIONS,
67 INVALID_MATRIX_PRODUCT__IF_YOU_WANTED_A_COEFF_WISE_PRODUCT_YOU_MUST_USE_THE_EXPLICIT_FUNCTION,
68 YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY,
69 THIS_METHOD_IS_ONLY_FOR_COLUMN_MAJOR_MATRICES,
70 THIS_METHOD_IS_ONLY_FOR_ROW_MAJOR_MATRICES,
71 INVALID_MATRIX_TEMPLATE_PARAMETERS,
72 INVALID_MATRIXBASE_TEMPLATE_PARAMETERS,
73 BOTH_MATRICES_MUST_HAVE_THE_SAME_STORAGE_ORDER,
74 THIS_METHOD_IS_ONLY_FOR_DIAGONAL_MATRIX,
75 THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE,
76 THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_WITH_DIRECT_MEMORY_ACCESS_SUCH_AS_MAP_OR_PLAIN_MATRICES,
77 YOU_ALREADY_SPECIFIED_THIS_STRIDE,
78 INVALID_STORAGE_ORDER_FOR_THIS_VECTOR_EXPRESSION,
79 THE_BRACKET_OPERATOR_IS_ONLY_FOR_VECTORS__USE_THE_PARENTHESIS_OPERATOR_INSTEAD,
80 PACKET_ACCESS_REQUIRES_TO_HAVE_INNER_STRIDE_FIXED_TO_1,
81 THIS_METHOD_IS_ONLY_FOR_SPECIFIC_TRANSFORMATIONS,
82 YOU_CANNOT_MIX_ARRAYS_AND_MATRICES,
83 YOU_PERFORMED_AN_INVALID_TRANSFORMATION_CONVERSION,
84 THIS_EXPRESSION_IS_NOT_A_LVALUE__IT_IS_READ_ONLY,
85 YOU_ARE_TRYING_TO_USE_AN_INDEX_BASED_ACCESSOR_ON_AN_EXPRESSION_THAT_DOES_NOT_SUPPORT_THAT,
86 THIS_METHOD_IS_ONLY_FOR_1x1_EXPRESSIONS,
87 THIS_METHOD_IS_ONLY_FOR_EXPRESSIONS_OF_BOOL,
88 THIS_METHOD_IS_ONLY_FOR_ARRAYS_NOT_MATRICES,
89 YOU_PASSED_A_ROW_VECTOR_BUT_A_COLUMN_VECTOR_WAS_EXPECTED,
90 YOU_PASSED_A_COLUMN_VECTOR_BUT_A_ROW_VECTOR_WAS_EXPECTED,
91 THE_INDEX_TYPE_MUST_BE_A_SIGNED_TYPE,
92 THE_STORAGE_ORDER_OF_BOTH_SIDES_MUST_MATCH
105 #define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
106 {Eigen::internal::static_assertion<bool(CONDITION)>::MSG;}
110 #define EIGEN_STATIC_ASSERT(CONDITION,MSG) \
111 if (Eigen::internal::static_assertion<bool(CONDITION)>::MSG) {}
117 #else // EIGEN_NO_STATIC_ASSERT
119 #define EIGEN_STATIC_ASSERT(CONDITION,MSG) eigen_assert((CONDITION) && #MSG);
121 #endif // EIGEN_NO_STATIC_ASSERT
125 #define EIGEN_STATIC_ASSERT_VECTOR_ONLY(TYPE) \
126 EIGEN_STATIC_ASSERT(TYPE::IsVectorAtCompileTime, \
127 YOU_TRIED_CALLING_A_VECTOR_METHOD_ON_A_MATRIX)
130 #define EIGEN_STATIC_ASSERT_FIXED_SIZE(TYPE) \
131 EIGEN_STATIC_ASSERT(TYPE::SizeAtCompileTime!=Eigen::Dynamic, \
132 YOU_CALLED_A_FIXED_SIZE_METHOD_ON_A_DYNAMIC_SIZE_MATRIX_OR_VECTOR)
135 #define EIGEN_STATIC_ASSERT_DYNAMIC_SIZE(TYPE) \
136 EIGEN_STATIC_ASSERT(TYPE::SizeAtCompileTime==Eigen::Dynamic, \
137 YOU_CALLED_A_DYNAMIC_SIZE_METHOD_ON_A_FIXED_SIZE_MATRIX_OR_VECTOR)
140 #define EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(TYPE, SIZE) \
141 EIGEN_STATIC_ASSERT(TYPE::IsVectorAtCompileTime && TYPE::SizeAtCompileTime==SIZE, \
142 THIS_METHOD_IS_ONLY_FOR_VECTORS_OF_A_SPECIFIC_SIZE)
145 #define EIGEN_STATIC_ASSERT_MATRIX_SPECIFIC_SIZE(TYPE, ROWS, COLS) \
146 EIGEN_STATIC_ASSERT(TYPE::RowsAtCompileTime==ROWS && TYPE::ColsAtCompileTime==COLS, \
147 THIS_METHOD_IS_ONLY_FOR_MATRICES_OF_A_SPECIFIC_SIZE)
150 #define EIGEN_STATIC_ASSERT_SAME_VECTOR_SIZE(TYPE0,TYPE1) \
151 EIGEN_STATIC_ASSERT( \
152 (int(TYPE0::SizeAtCompileTime)==Eigen::Dynamic \
153 || int(TYPE1::SizeAtCompileTime)==Eigen::Dynamic \
154 || int(TYPE0::SizeAtCompileTime)==int(TYPE1::SizeAtCompileTime)),\
155 YOU_MIXED_VECTORS_OF_DIFFERENT_SIZES)
157 #define EIGEN_PREDICATE_SAME_MATRIX_SIZE(TYPE0,TYPE1) \
159 (int(TYPE0::SizeAtCompileTime)==0 && int(TYPE1::SizeAtCompileTime)==0) \
161 (int(TYPE0::RowsAtCompileTime)==Eigen::Dynamic \
162 || int(TYPE1::RowsAtCompileTime)==Eigen::Dynamic \
163 || int(TYPE0::RowsAtCompileTime)==int(TYPE1::RowsAtCompileTime)) \
164 && (int(TYPE0::ColsAtCompileTime)==Eigen::Dynamic \
165 || int(TYPE1::ColsAtCompileTime)==Eigen::Dynamic \
166 || int(TYPE0::ColsAtCompileTime)==int(TYPE1::ColsAtCompileTime))\
170 #ifdef EIGEN2_SUPPORT
171 #define EIGEN_STATIC_ASSERT_NON_INTEGER(TYPE) \
172 eigen_assert(!NumTraits<Scalar>::IsInteger);
174 #define EIGEN_STATIC_ASSERT_NON_INTEGER(TYPE) \
175 EIGEN_STATIC_ASSERT(!NumTraits<TYPE>::IsInteger, THIS_FUNCTION_IS_NOT_FOR_INTEGER_NUMERIC_TYPES)
180 #define EIGEN_STATIC_ASSERT_SAME_MATRIX_SIZE(TYPE0,TYPE1) \
181 EIGEN_STATIC_ASSERT( \
182 EIGEN_PREDICATE_SAME_MATRIX_SIZE(TYPE0,TYPE1),\
183 YOU_MIXED_MATRICES_OF_DIFFERENT_SIZES)
185 #define EIGEN_STATIC_ASSERT_SIZE_1x1(TYPE) \
186 EIGEN_STATIC_ASSERT((TYPE::RowsAtCompileTime == 1 || TYPE::RowsAtCompileTime == Dynamic) && \
187 (TYPE::ColsAtCompileTime == 1 || TYPE::ColsAtCompileTime == Dynamic), \
188 THIS_METHOD_IS_ONLY_FOR_1x1_EXPRESSIONS)
190 #define EIGEN_STATIC_ASSERT_LVALUE(Derived) \
191 EIGEN_STATIC_ASSERT(internal::is_lvalue<Derived>::value, \
192 THIS_EXPRESSION_IS_NOT_A_LVALUE__IT_IS_READ_ONLY)
194 #define EIGEN_STATIC_ASSERT_ARRAYXPR(Derived) \
195 EIGEN_STATIC_ASSERT((internal::is_same<typename internal::traits<Derived>::XprKind, ArrayXpr>::value), \
196 THIS_METHOD_IS_ONLY_FOR_ARRAYS_NOT_MATRICES)
198 #define EIGEN_STATIC_ASSERT_SAME_XPR_KIND(Derived1, Derived2) \
199 EIGEN_STATIC_ASSERT((internal::is_same<typename internal::traits<Derived1>::XprKind, \
200 typename internal::traits<Derived2>::XprKind \
202 YOU_CANNOT_MIX_ARRAYS_AND_MATRICES)
205 #endif // EIGEN_STATIC_ASSERT_H