Eigen/src/Core/util/DisableStupidWarnings.h - eigen - Git at Google

 #ifndef EIGEN_WARNINGS_DISABLED
 #define EIGEN_WARNINGS_DISABLED

 #if defined(_MSC_VER)
 // 4100 - unreferenced formal parameter (occurred e.g. in aligned_allocator::destroy(pointer p))
 // 4101 - unreferenced local variable
 // 4127 - conditional expression is constant
 // 4181 - qualifier applied to reference type ignored
 // 4211 - nonstandard extension used : redefined extern to static
 // 4244 - 'argument' : conversion from 'type1' to 'type2', possible loss of data
 // 4273 - QtAlignedMalloc, inconsistent DLL linkage
 // 4324 - structure was padded due to declspec(align())
 // 4503 - decorated name length exceeded, name was truncated
 // 4512 - assignment operator could not be generated
 // 4522 - 'class' : multiple assignment operators specified
 // 4700 - uninitialized local variable 'xyz' used
 // 4714 - function marked as __forceinline not inlined
 // 4717 - 'function' : recursive on all control paths, function will cause runtime stack overflow
 // 4800 - 'type' : forcing value to bool 'true' or 'false' (performance warning)
 #ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
 #pragma warning(push)
 #endif
 #pragma warning(disable : 4100 4101 4127 4181 4211 4244 4273 4324 4503 4512 4522 4700 4714 4717 4800)
 // We currently rely on has_denorm in tests, and need it defined correctly for half/bfloat16.
 #ifndef _SILENCE_CXX23_DENORM_DEPRECATION_WARNING
 #define EIGEN_REENABLE_CXX23_DENORM_DEPRECATION_WARNING 1
 #define _SILENCE_CXX23_DENORM_DEPRECATION_WARNING
 #endif

 #elif defined __INTEL_COMPILER
 // 2196 - routine is both "inline" and "noinline" ("noinline" assumed)
 //        ICC 12 generates this warning even without any inline keyword, when defining class methods 'inline' i.e.
 //        inside of class body typedef that may be a reference type.
 // 279  - controlling expression is constant
 //        ICC 12 generates this warning on assert(constant_expression_depending_on_template_params) and frankly this is
 //        a legitimate use case.
 // 1684 - conversion from pointer to same-sized integral type (potential portability problem)
 // 2259 - non-pointer conversion from "Eigen::Index={ptrdiff_t={long}}" to "int" may lose significant bits
 #ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
 #pragma warning push
 #endif
 #pragma warning disable 2196 279 1684 2259

 #elif defined __clang__
 #ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
 #pragma clang diagnostic push
 #endif
 #if defined(__has_warning)
 // -Wconstant-logical-operand - warning: use of logical && with constant operand; switch to bitwise & or remove constant
 //     this is really a stupid warning as it warns on compile-time expressions involving enums
 #if __has_warning("-Wconstant-logical-operand")
 #pragma clang diagnostic ignored "-Wconstant-logical-operand"
 #endif
 #if __has_warning("-Wimplicit-int-float-conversion")
 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"
 #endif
 #if (defined(__ALTIVEC__) || defined(__VSX__)) && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 201112L))
 // warning: generic selections are a C11-specific feature
 // ignoring warnings thrown at vec_ctf in Altivec/PacketMath.h
 #if __has_warning("-Wc11-extensions")
 #pragma clang diagnostic ignored "-Wc11-extensions"
 #endif
 #endif
 #endif

 #elif defined __GNUC__ && !defined(__FUJITSU)

 #if (!defined(EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS)) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
 #pragma GCC diagnostic push
 #endif
 // g++ warns about local variables shadowing member functions, which is too strict
 #pragma GCC diagnostic ignored "-Wshadow"
 #if __GNUC__ == 4 && __GNUC_MINOR__ < 8
 // Until g++-4.7 there are warnings when comparing unsigned int vs 0, even in templated functions:
 #pragma GCC diagnostic ignored "-Wtype-limits"
 #endif
 #if __GNUC__ >= 6
 #pragma GCC diagnostic ignored "-Wignored-attributes"
 #endif
 #if __GNUC__ == 7
 // See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89325
 #pragma GCC diagnostic ignored "-Wattributes"
 #endif
 #endif

 #if defined __NVCC__ && defined __CUDACC__
 // MSVC 14.16 (required by CUDA 9.*) does not support the _Pragma keyword, so
 // we instead use Microsoft's __pragma extension.
 #if defined _MSC_VER
 #define EIGEN_MAKE_PRAGMA(X) __pragma(#X)
 #else
 #define EIGEN_MAKE_PRAGMA(X) _Pragma(#X)
 #endif
 #if defined __NVCC_DIAG_PRAGMA_SUPPORT__
 #define EIGEN_NV_DIAG_SUPPRESS(X) EIGEN_MAKE_PRAGMA(nv_diag_suppress X)
 #else
 #define EIGEN_NV_DIAG_SUPPRESS(X) EIGEN_MAKE_PRAGMA(diag_suppress X)
 #endif

 EIGEN_NV_DIAG_SUPPRESS(boolean_controlling_expr_is_constant)
 // Disable the "statement is unreachable" message
 EIGEN_NV_DIAG_SUPPRESS(code_is_unreachable)
 // Disable the "dynamic initialization in unreachable code" message
 EIGEN_NV_DIAG_SUPPRESS(initialization_not_reachable)
 // Disable the "invalid error number" message that we get with older versions of nvcc
 EIGEN_NV_DIAG_SUPPRESS(1222)
 // Disable the "calling a __host__ function from a __host__ __device__ function is not allowed" messages (yes, there are
 // many of them and they seem to change with every version of the compiler)
 EIGEN_NV_DIAG_SUPPRESS(2527)
 EIGEN_NV_DIAG_SUPPRESS(2529)
 EIGEN_NV_DIAG_SUPPRESS(2651)
 EIGEN_NV_DIAG_SUPPRESS(2653)
 EIGEN_NV_DIAG_SUPPRESS(2668)
 EIGEN_NV_DIAG_SUPPRESS(2669)
 EIGEN_NV_DIAG_SUPPRESS(2670)
 EIGEN_NV_DIAG_SUPPRESS(2671)
 EIGEN_NV_DIAG_SUPPRESS(2735)
 EIGEN_NV_DIAG_SUPPRESS(2737)
 EIGEN_NV_DIAG_SUPPRESS(2739)
 EIGEN_NV_DIAG_SUPPRESS(2885)
 EIGEN_NV_DIAG_SUPPRESS(2888)
 EIGEN_NV_DIAG_SUPPRESS(2976)
 EIGEN_NV_DIAG_SUPPRESS(2979)
 EIGEN_NV_DIAG_SUPPRESS(20011)
 EIGEN_NV_DIAG_SUPPRESS(20014)
 // Disable the "// __device__ annotation is ignored on a function(...) that is
 //              explicitly defaulted on its first declaration" message.
 // The __device__ annotation seems to actually be needed in some cases,
 // otherwise resulting in kernel runtime errors.
 EIGEN_NV_DIAG_SUPPRESS(2886)
 EIGEN_NV_DIAG_SUPPRESS(2929)
 EIGEN_NV_DIAG_SUPPRESS(2977)
 EIGEN_NV_DIAG_SUPPRESS(20012)
 #undef EIGEN_NV_DIAG_SUPPRESS
 #undef EIGEN_MAKE_PRAGMA
 #endif

 #else
 // warnings already disabled:
 #ifndef EIGEN_WARNINGS_DISABLED_2
 #define EIGEN_WARNINGS_DISABLED_2
 #elif defined(EIGEN_INTERNAL_DEBUGGING)
 #error "Do not include \"DisableStupidWarnings.h\" recursively more than twice!"
 #endif

 #endif  // not EIGEN_WARNINGS_DISABLED
	#ifndef EIGEN_WARNINGS_DISABLED
	#define EIGEN_WARNINGS_DISABLED

	#if defined(_MSC_VER)
	// 4100 - unreferenced formal parameter (occurred e.g. in aligned_allocator::destroy(pointer p))
	// 4101 - unreferenced local variable
	// 4127 - conditional expression is constant
	// 4181 - qualifier applied to reference type ignored
	// 4211 - nonstandard extension used : redefined extern to static
	// 4244 - 'argument' : conversion from 'type1' to 'type2', possible loss of data
	// 4273 - QtAlignedMalloc, inconsistent DLL linkage
	// 4324 - structure was padded due to declspec(align())
	// 4503 - decorated name length exceeded, name was truncated
	// 4512 - assignment operator could not be generated
	// 4522 - 'class' : multiple assignment operators specified
	// 4700 - uninitialized local variable 'xyz' used
	// 4714 - function marked as __forceinline not inlined
	// 4717 - 'function' : recursive on all control paths, function will cause runtime stack overflow
	// 4800 - 'type' : forcing value to bool 'true' or 'false' (performance warning)
	#ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
	#pragma warning(push)
	#endif
	#pragma warning(disable : 4100 4101 4127 4181 4211 4244 4273 4324 4503 4512 4522 4700 4714 4717 4800)
	// We currently rely on has_denorm in tests, and need it defined correctly for half/bfloat16.
	#ifndef _SILENCE_CXX23_DENORM_DEPRECATION_WARNING
	#define EIGEN_REENABLE_CXX23_DENORM_DEPRECATION_WARNING 1
	#define _SILENCE_CXX23_DENORM_DEPRECATION_WARNING
	#endif

	#elif defined __INTEL_COMPILER
	// 2196 - routine is both "inline" and "noinline" ("noinline" assumed)
	// ICC 12 generates this warning even without any inline keyword, when defining class methods 'inline' i.e.
	// inside of class body typedef that may be a reference type.
	// 279 - controlling expression is constant
	// ICC 12 generates this warning on assert(constant_expression_depending_on_template_params) and frankly this is
	// a legitimate use case.
	// 1684 - conversion from pointer to same-sized integral type (potential portability problem)
	// 2259 - non-pointer conversion from "Eigen::Index={ptrdiff_t={long}}" to "int" may lose significant bits
	#ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
	#pragma warning push
	#endif
	#pragma warning disable 2196 279 1684 2259

	#elif defined __clang__
	#ifndef EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS
	#pragma clang diagnostic push
	#endif
	#if defined(__has_warning)
	// -Wconstant-logical-operand - warning: use of logical && with constant operand; switch to bitwise & or remove constant
	// this is really a stupid warning as it warns on compile-time expressions involving enums
	#if __has_warning("-Wconstant-logical-operand")
	#pragma clang diagnostic ignored "-Wconstant-logical-operand"
	#endif
	#if __has_warning("-Wimplicit-int-float-conversion")
	#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion"
	#endif
	#if (defined(__ALTIVEC__) \|\| defined(__VSX__)) && (!defined(__STDC_VERSION__) \|\| (__STDC_VERSION__ < 201112L))
	// warning: generic selections are a C11-specific feature
	// ignoring warnings thrown at vec_ctf in Altivec/PacketMath.h
	#if __has_warning("-Wc11-extensions")
	#pragma clang diagnostic ignored "-Wc11-extensions"
	#endif
	#endif
	#endif

	#elif defined __GNUC__ && !defined(__FUJITSU)

	#if (!defined(EIGEN_PERMANENTLY_DISABLE_STUPID_WARNINGS)) && (__GNUC__ > 4 \|\| (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
	#pragma GCC diagnostic push
	#endif
	// g++ warns about local variables shadowing member functions, which is too strict
	#pragma GCC diagnostic ignored "-Wshadow"
	#if __GNUC__ == 4 && __GNUC_MINOR__ < 8
	// Until g++-4.7 there are warnings when comparing unsigned int vs 0, even in templated functions:
	#pragma GCC diagnostic ignored "-Wtype-limits"
	#endif
	#if __GNUC__ >= 6
	#pragma GCC diagnostic ignored "-Wignored-attributes"
	#endif
	#if __GNUC__ == 7
	// See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89325
	#pragma GCC diagnostic ignored "-Wattributes"
	#endif
	#endif

	#if defined __NVCC__ && defined __CUDACC__
	// MSVC 14.16 (required by CUDA 9.*) does not support the _Pragma keyword, so
	// we instead use Microsoft's __pragma extension.
	#if defined _MSC_VER
	#define EIGEN_MAKE_PRAGMA(X) __pragma(#X)
	#else
	#define EIGEN_MAKE_PRAGMA(X) _Pragma(#X)
	#endif
	#if defined __NVCC_DIAG_PRAGMA_SUPPORT__
	#define EIGEN_NV_DIAG_SUPPRESS(X) EIGEN_MAKE_PRAGMA(nv_diag_suppress X)
	#else
	#define EIGEN_NV_DIAG_SUPPRESS(X) EIGEN_MAKE_PRAGMA(diag_suppress X)
	#endif

	EIGEN_NV_DIAG_SUPPRESS(boolean_controlling_expr_is_constant)
	// Disable the "statement is unreachable" message
	EIGEN_NV_DIAG_SUPPRESS(code_is_unreachable)
	// Disable the "dynamic initialization in unreachable code" message
	EIGEN_NV_DIAG_SUPPRESS(initialization_not_reachable)
	// Disable the "invalid error number" message that we get with older versions of nvcc
	EIGEN_NV_DIAG_SUPPRESS(1222)
	// Disable the "calling a __host__ function from a __host__ __device__ function is not allowed" messages (yes, there are
	// many of them and they seem to change with every version of the compiler)
	EIGEN_NV_DIAG_SUPPRESS(2527)
	EIGEN_NV_DIAG_SUPPRESS(2529)
	EIGEN_NV_DIAG_SUPPRESS(2651)
	EIGEN_NV_DIAG_SUPPRESS(2653)
	EIGEN_NV_DIAG_SUPPRESS(2668)
	EIGEN_NV_DIAG_SUPPRESS(2669)
	EIGEN_NV_DIAG_SUPPRESS(2670)
	EIGEN_NV_DIAG_SUPPRESS(2671)
	EIGEN_NV_DIAG_SUPPRESS(2735)
	EIGEN_NV_DIAG_SUPPRESS(2737)
	EIGEN_NV_DIAG_SUPPRESS(2739)
	EIGEN_NV_DIAG_SUPPRESS(2885)
	EIGEN_NV_DIAG_SUPPRESS(2888)
	EIGEN_NV_DIAG_SUPPRESS(2976)
	EIGEN_NV_DIAG_SUPPRESS(2979)
	EIGEN_NV_DIAG_SUPPRESS(20011)
	EIGEN_NV_DIAG_SUPPRESS(20014)
	// Disable the "// __device__ annotation is ignored on a function(...) that is
	// explicitly defaulted on its first declaration" message.
	// The __device__ annotation seems to actually be needed in some cases,
	// otherwise resulting in kernel runtime errors.
	EIGEN_NV_DIAG_SUPPRESS(2886)
	EIGEN_NV_DIAG_SUPPRESS(2929)
	EIGEN_NV_DIAG_SUPPRESS(2977)
	EIGEN_NV_DIAG_SUPPRESS(20012)
	#undef EIGEN_NV_DIAG_SUPPRESS
	#undef EIGEN_MAKE_PRAGMA
	#endif

	#else
	// warnings already disabled:
	#ifndef EIGEN_WARNINGS_DISABLED_2
	#define EIGEN_WARNINGS_DISABLED_2
	#elif defined(EIGEN_INTERNAL_DEBUGGING)
	#error "Do not include \"DisableStupidWarnings.h\" recursively more than twice!"
	#endif

	#endif // not EIGEN_WARNINGS_DISABLED