1 #ifndef EIGEN_WARNINGS_DISABLED
2 #define EIGEN_WARNINGS_DISABLED
3 
4 #ifdef _MSC_VER
5   // 4100 - unreferenced formal parameter (occurred e.g. in aligned_allocator::destroy(pointer p))
6   // 4101 - unreferenced local variable
7   // 4127 - conditional expression is constant
8   // 4181 - qualifier applied to reference type ignored
9   // 4211 - nonstandard extension used : redefined extern to static
10   // 4244 - 'argument' : conversion from 'type1' to 'type2', possible loss of data
11   // 4273 - QtAlignedMalloc, inconsistent DLL linkage
12   // 4324 - structure was padded due to declspec(align())
13   // 4512 - assignment operator could not be generated
14   // 4522 - 'class' : multiple assignment operators specified
15   // 4700 - uninitialized local variable 'xyz' used
16   // 4717 - 'function' : recursive on all control paths, function will cause runtime stack overflow
17   #ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
18     #pragma warning( push )
19   #endif
20   #pragma warning( disable : 4100 4101 4127 4181 4211 4244 4273 4324 4512 4522 4700 4717 )
21 #elif defined __INTEL_COMPILER
22   // 2196 - routine is both "inline" and "noinline" ("noinline" assumed)
23   //        ICC 12 generates this warning even without any inline keyword, when defining class methods 'inline' i.e. inside of class body
24   //        typedef that may be a reference type.
25   // 279  - controlling expression is constant
26   //        ICC 12 generates this warning on assert(constant_expression_depending_on_template_params) and frankly this is a legitimate use case.
27   #ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
28     #pragma warning push
29   #endif
30   #pragma warning disable 2196 279
31 #elif defined __clang__
32   // -Wconstant-logical-operand - warning: use of logical && with constant operand; switch to bitwise & or remove constant
33   //     this is really a stupid warning as it warns on compile-time expressions involving enums
34   #ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
35     #pragma clang diagnostic push
36   #endif
37   #pragma clang diagnostic ignored "-Wconstant-logical-operand"
38 #endif
39 
40 #endif // not EIGEN_WARNINGS_DISABLED
41