08d857fe92
In VTK-m libraries, we are typically exporting (with declspec) classes rather than the independent methods within the class. When you are exporting to a dll in MSVC and the class contains a field that is not similarly exported, then you get a warning. This is generally not an issue for our use since we are really only using classes from the standard library and distributed with VTK-m itself. The only sane way to fix the issue is to just disable the warning.
300 lines
11 KiB
C
300 lines
11 KiB
C
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_internal_Configure_h
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#define vtk_m_internal_Configure_h
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#ifdef __CUDACC__
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#define VTKM_CUDA
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#endif
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#ifdef _OPENMP
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#define VTKM_OPENMP
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#endif
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#if defined(_MSC_VER)
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//MSVC 2015+ can use a clang frontend, so we want to label it only as MSVC
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//and not MSVC and clang
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#define VTKM_MSVC
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#elif defined(__INTEL_COMPILER)
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//Intel 14+ on OSX uses a clang frontend, so again we want to label them as
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//intel only, and not intel and clang
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#define VTKM_ICC
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#elif defined(__PGI)
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// PGI reports as GNUC as it generates the same ABI, so we need to check for
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// it before gcc.
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#define VTKM_PGI
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#elif defined(__clang__)
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//Check for clang before GCC, as clang says it is GNUC since it has ABI
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//compliance
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#define VTKM_CLANG
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#elif defined(__GNUC__)
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// Several compilers pretend to be GCC but have minor differences. Try to
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// compensate for that, by checking for those compilers first
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#define VTKM_GCC
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#endif
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#if defined(unix) || defined(__unix) || defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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#include <unistd.h>
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# ifdef _POSIX_VERSION
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# define VTKM_POSIX _POSIX_VERSION
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# endif
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#endif
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#if !defined(VTKM_USE_DOUBLE_PRECISION) && !defined(VTKM_NO_DOUBLE_PRECISION)
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#cmakedefine VTKM_USE_DOUBLE_PRECISION
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#endif
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#if defined(VTKM_USE_DOUBLE_PRECISION) && defined(VTKM_NO_DOUBLE_PRECISION)
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# error Both VTKM_USE_DOUBLE_PRECISION and VTKM_NO_DOUBLE_PRECISION defined. Do not know what to do.
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#endif
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#if !defined(VTKM_USE_64BIT_IDS) && !defined(VTKM_NO_64BIT_IDS)
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#cmakedefine VTKM_USE_64BIT_IDS
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#endif
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#if defined(VTKM_USE_64BIT_IDS) && defined(VTKM_NO_64BIT_IDS)
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# error Both VTKM_USE_64BIT_IDS and VTKM_NO_64BIT_IDS defined. Do not know what to do.
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#endif
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#define VTKM_SIZE_FLOAT @VTKm_SIZE_FLOAT@
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#define VTKM_SIZE_DOUBLE @VTKm_SIZE_DOUBLE@
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#define VTKM_SIZE_CHAR @VTKm_SIZE_CHAR@
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#define VTKM_SIZE_SHORT @VTKm_SIZE_SHORT@
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#define VTKM_SIZE_INT @VTKm_SIZE_INT@
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#define VTKM_SIZE_LONG @VTKm_SIZE_LONG@
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#define VTKM_SIZE_LONG_LONG @VTKm_SIZE_LONG_LONG@
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#ifdef VTKM_USE_DOUBLE_PRECISION
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# ifndef VTKM_SIZE_SCALAR
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# define VTKM_SIZE_SCALAR VTKM_SIZE_DOUBLE
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# endif
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# ifndef VTKM_ALIGNMENT_TWO_SCALAR
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# define VTKM_ALIGNMENT_TWO_SCALAR 16
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# endif
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# ifndef VTKM_ALIGNMENT_FOUR_SCALAR
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# define VTKM_ALIGNMENT_FOUR_SCALAR 8
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# endif
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#else
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# ifndef VTKM_SIZE_SCALAR
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# define VTKM_SIZE_SCALAR VTKM_SIZE_FLOAT
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# define VTKM_ALIGNMENT_SCALAR VTKM_SIZE_SCALAR
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# endif
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# ifndef VTKM_ALIGNMENT_TWO_SCALAR
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# define VTKM_ALIGNMENT_TWO_SCALAR 8
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# endif
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# ifndef VTKM_ALIGNMENT_FOUR_SCALAR
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# define VTKM_ALIGNMENT_FOUR_SCALAR 16
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# endif
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#endif
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#ifdef VTKM_USE_64BIT_IDS
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# ifndef VTKM_SIZE_ID
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# define VTKM_SIZE_ID 8
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# endif
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#else
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# ifndef VTKM_SIZE_ID
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# define VTKM_SIZE_ID 4
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# endif
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#endif
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// Define a pair of macros, VTKM_THIRDPARTY_PRE_INCLUDE and VTKM_THIRDPARTY_POST_INCLUDE,
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// that should be wrapped around any #include for a tbb or thrust header file. Mostly
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// this is used to set pragmas that dissable warnings that VTK-m checks for
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// but tbb and thrust does not.
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#if (defined(VTKM_GCC) || defined(VTKM_CLANG))
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#define VTK_M_THIRDPARTY_GENERAL_WARNING_PRAGMAS \
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_Pragma("GCC diagnostic ignored \"-Wconversion\"") \
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_Pragma("GCC diagnostic ignored \"-Wshadow\"") \
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_Pragma("GCC diagnostic ignored \"-Wunused-parameter\"")
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// GCC has a unused by set variable warnings that needs to be silenced.
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#if defined(VTKM_GCC)
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#define VTK_M_THIRDPARTY_GCC_WARNING_PRAGMAS \
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_Pragma("GCC diagnostic ignored \"-Wunused-but-set-variable\"") \
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_Pragma("GCC diagnostic ignored \"-Wunused-variable\"")
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#else
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#define VTK_M_THIRDPARTY_GCC_WARNING_PRAGMAS
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#endif
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// Newer versions of clang have an unused-local-typedef warning, but not older
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// versions. This checks for the apple version of clang, which is different
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// than other clang compiled versions. If using a non-apple version of clang,
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// you might need to extend this condition.
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#if defined(VTKM_CLANG) && (__apple_build_version__ >= 7000072)
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#define VTK_M_THIRDPARTY_CLANG_WARNING_PRAGMAS \
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_Pragma("GCC diagnostic ignored \"-Wunused-local-typedef\"")
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#else
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#define VTK_M_THIRDPARTY_CLANG_WARNING_PRAGMAS
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#endif
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// Older versions of GCC don't support the push/pop pragmas. Right now we are
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// not checking for GCC 3 or earlier. I'm not sure we have a use case for that.
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#if defined(VTKM_GCC) && (__GNUC__ == 4 && __GNUC_MINOR__ < 6)
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#define VTK_M_THIRDPARTY_WARNINGS_PUSH
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#define VTK_M_THRIDPARTY_WARNINGS_POP
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#else
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#define VTK_M_THIRDPARTY_WARNINGS_PUSH _Pragma("GCC diagnostic push")
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#define VTK_M_THRIDPARTY_WARNINGS_POP _Pragma("GCC diagnostic pop")
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#endif
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#define VTKM_THIRDPARTY_PRE_INCLUDE \
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VTK_M_THIRDPARTY_WARNINGS_PUSH \
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VTK_M_THIRDPARTY_GENERAL_WARNING_PRAGMAS \
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VTK_M_THIRDPARTY_GCC_WARNING_PRAGMAS \
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VTK_M_THIRDPARTY_CLANG_WARNING_PRAGMAS
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#define VTKM_THIRDPARTY_POST_INCLUDE \
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VTK_M_THRIDPARTY_WARNINGS_POP
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#elif (defined(VTKM_MSVC))
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#define VTKM_THIRDPARTY_PRE_INCLUDE \
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__pragma(warning(push)) \
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__pragma(warning(disable:4267)) \
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__pragma(warning(disable:4244)) \
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__pragma(warning(disable:4800))
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#define VTKM_THIRDPARTY_POST_INCLUDE \
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__pragma(warning(pop))
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#else
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#define VTKM_THIRDPARTY_PRE_INCLUDE
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#define VTKM_THIRDPARTY_POST_INCLUDE
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#endif
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//Determine if current compiler supports vectorization pragma's
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//if so set the define VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS
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//
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//While ICC 14 does support simd pragma, in testing we find that the
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//simd code produces SIGBUS and isn't safe to use.
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//
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#if ( defined(VTKM_GCC) && ( __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9) ) ) || \
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( defined(VTKM_ICC) && (__INTEL_COMPILER >= 1500) ) || \
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( defined(VTKM_CLANG) && defined(__apple_build_version__) && (__apple_build_version__ >= 7000000) ) || \
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( defined(VTKM_CLANG) && !defined(__apple_build_version__) && (__clang_major__ > 3) ) || \
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( defined(VTKM_CLANG) && !defined(__apple_build_version__) && (__clang_major__ == 3 && __clang_minor__ >= 5) )
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#define VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS 1
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#endif
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// Define a pair of macros, VTKM_VECTORIZATION_PRE_LOOP and VTKM_VECTORIZATION_IN_LOOP,
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// that should be wrapped around any "for"/"while" that you want vectorized.
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// This is used to set per compiler pragmas for vectorization, and to disable
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// any warnings that about vectorization failures.
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#cmakedefine VTKM_VECTORIZATION_ENABLED
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#if defined(VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS) &&\
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defined(VTKM_VECTORIZATION_ENABLED)
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#if defined(VTKM_CLANG)
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//clang only needs pre loop
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#define VTKM_VECTORIZATION_PRE_LOOP \
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_Pragma("clang loop vectorize(enable) interleave(enable)")
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#define VTKM_VECTORIZATION_IN_LOOP
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#elif defined(VTKM_ICC) && defined(NDEBUG)
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//Note: icc can't do vectorization in debug builds
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//icc needs pre and in loop
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//For ICC we want ivdep over simd for the following reason:
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//#pragma simd is a more powerful combo of '#pragma vector always' and '#pragma ivdep'
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//The compiler does not check for aliasing or dependencies that might cause
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//incorrect results after vectorization, and it does not protect against illegal
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//memory references. #pragma ivdep overrides potential dependencies, but the
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//compiler still performs a dependency analysis, and will not vectorize if it
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//finds a proven dependency that would affect results. With #pragma simd, the
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//compiler does no such analysis, and tries to vectorize regardless.
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//
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//Final: We are currently disabling all vectorization with ICC
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// in the short-term. Both ivdep and simd cause a horrible decrease in compile
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// time, and generates bad vectorization code.
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#define VTKM_VECTORIZATION_PRE_LOOP
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#define VTKM_VECTORIZATION_IN_LOOP
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#elif defined(VTKM_GCC)
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//gcc only needs in loop
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#define VTKM_VECTORIZATION_PRE_LOOP \
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_Pragma("GCC ivdep")
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#define VTKM_VECTORIZATION_IN_LOOP
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#else
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// Compiler is unknown so we don't define any vectortization pragmas
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#define VTKM_VECTORIZATION_PRE_LOOP
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#define VTKM_VECTORIZATION_IN_LOOP
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#endif
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#else
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// Compiler doesn't support any vectortization pragmas
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#define VTKM_VECTORIZATION_PRE_LOOP
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#define VTKM_VECTORIZATION_IN_LOOP
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#endif
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//Mark if we are building with CUDA enabled
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#ifndef VTKM_ENABLE_CUDA
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#cmakedefine VTKM_ENABLE_CUDA
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#endif
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//Mark if we are building with TBB enabled
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#ifndef VTKM_ENABLE_TBB
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#cmakedefine VTKM_ENABLE_TBB
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#endif
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//Mark if we are building with interop enabled
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#ifndef VTKM_ENABLE_OPENGL_INTEROP
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#cmakedefine VTKM_ENABLE_OPENGL_INTEROP
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#endif
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#if __cplusplus >= 201103L || \
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( defined(VTKM_MSVC) && _MSC_VER >= 1800 ) || \
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( defined(VTKM_ICC) && defined(__INTEL_CXX11_MODE__) )
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#define VTKM_HAVE_CXX_11
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#else
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#error "VTK-m requires at least a C++11 compiler"
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#endif
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#ifdef VTKM_MSVC
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//With MSVC the types that we generate cause warning C4503 (long symbol names)
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//this doesn't affect the resulting binary so we just supress that warning
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//
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#pragma warning(disable:4503)
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//MSVC has a warning for using "unsafe" algorithms such as fill_n that can
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//easily overrun the end of unchecked pointers. The problem is that there
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//are lots of valid uses of these algorithms, and the signal that this is
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//a valid use is MSVC-specific. Even less fortunate is the fact that if
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//another header violates the warning, it is impossible to suppress it
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//because it happens in a system header file (xutility), which was included
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//far before the actual offending code occured. Even less fortunate than
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//that, a boost header we (indirectly) use sets off this warning, cannot
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//be suppressed, and is not going to be fixed
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//(https://svn.boost.org/trac/boost/ticket/11426). The best solution is to
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//turn off this problematic warning for everybody.
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//
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#pragma warning(disable:4996)
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//In VTK-m libraries, we are typically exporting (with declspec) classes rather
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//than the independent methods within the class. When you are exporting to a
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//dll in MSVC and the class contains a field that is not similarly exported,
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//then you get a warning. This is generally not an issue for our use since we
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//are really only using classes from the standard library and distributed with
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//VTK-m itself. The only sane way to fix the issue is to just disable the
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//warning.
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//
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#pragma warning(disable:4251)
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#endif
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#endif //vtkm_internal_Configure_h
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