Macros.hpp

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/*
 * Copyright (c) 2020, Lawrence Livermore National Security, LLC and LvArray contributors.
 * All rights reserved.
 * See the LICENSE file for details.
 * SPDX-License-Identifier: (BSD-3-Clause)
 */

#pragma once

// Source includes
#include "LvArrayConfig.hpp"
#include "system.hpp"

// System includes
#include <fstream>
#include <sstream>
#include <iostream>
#include <type_traits>

#if defined(LVARRAY_USE_CUDA)
  #include <cassert>
#endif

#define STRINGIZE_NX( A ) #A

#define STRINGIZE( A ) STRINGIZE_NX( A )

#define LVARRAY_UNUSED_ARG( X )

#define LVARRAY_UNUSED_VARIABLE( X ) ( ( void ) X )

#define LVARRAY_DEBUG_VAR( X ) LVARRAY_UNUSED_VARIABLE( X )

#define LOCATION __FILE__ ":" STRINGIZE( __LINE__ )

#define TYPEOFPTR( X ) std::remove_pointer_t< decltype( X ) >

#define TYPEOFREF( X ) std::remove_reference_t< decltype( X ) >

#define LVARRAY_LOG( ... ) std::cout << __VA_ARGS__ << std::endl

#define LVARRAY_LOG_VAR( ... ) LVARRAY_LOG( STRINGIZE( __VA_ARGS__ ) << " = " << __VA_ARGS__ )

#if defined(__CUDA_ARCH__)
  #if !defined(NDEBUG)
#define LVARRAY_ERROR_IF( EXP, MSG ) assert( !(EXP) )
  #else
#define LVARRAY_ERROR_IF( EXP, MSG ) if( EXP ) asm ( "trap;" )
  #endif
#else
#define LVARRAY_ERROR_IF( EXP, MSG ) \
  do \
  { \
    if( EXP ) \
    { \
      std::ostringstream __oss; \
      __oss << "***** ERROR\n"; \
      __oss << "***** LOCATION: " LOCATION "\n"; \
      __oss << "***** Controlling expression (should be false): " STRINGIZE( EXP ) "\n"; \
      __oss << MSG << "\n"; \
      __oss << LvArray::system::stackTrace( true ); \
      std::cout << __oss.str() << std::endl; \
      LvArray::system::callErrorHandler(); \
    } \
  } while( false )
#endif

#define LVARRAY_ERROR( MSG ) LVARRAY_ERROR_IF( true, MSG )

#if !defined(NDEBUG)
#define LVARRAY_ASSERT_MSG( EXP, MSG ) LVARRAY_ERROR_IF( !(EXP), MSG )
#else
#define LVARRAY_ASSERT_MSG( EXP, MSG ) ((void) 0)
#endif

#define LVARRAY_ASSERT( EXP ) LVARRAY_ASSERT_MSG( EXP, "" )

#define LVARRAY_WARNING_IF( EXP, MSG ) \
  do \
  { \
    if( EXP ) \
    { \
      std::ostringstream __oss; \
      __oss << "***** WARNING\n"; \
      __oss << "***** LOCATION: " LOCATION "\n"; \
      __oss << "***** Controlling expression (should be false): " STRINGIZE( EXP ) "\n"; \
      __oss << MSG; \
      std::cout << __oss.str() << std::endl; \
    } \
  } while( false )

#define LVARRAY_WARNING( MSG ) LVARRAY_WARNING_IF( true, MSG )

#define LVARRAY_INFO_IF( EXP, MSG ) \
  do \
  { \
    if( EXP ) \
    { \
      std::ostringstream __oss; \
      __oss << "***** INFO\n"; \
      __oss << "***** LOCATION: " LOCATION "\n"; \
      __oss << "***** Controlling expression: " STRINGIZE( EXP ) "\n"; \
      __oss << MSG; \
      std::cout << __oss.str() << std::endl; \
    } \
  } while( false )

#define LVARRAY_INFO( msg ) LVARRAY_INFO_IF( true, msg )

#define LVARRAY_ERROR_IF_OP_MSG( lhs, OP, NOP, rhs, msg ) \
  LVARRAY_ERROR_IF( lhs OP rhs, \
                    msg << "\n" << \
                    "Expected " << #lhs << " " << #NOP << " " << #rhs << "\n" << \
                    "  " << #lhs << " = " << lhs << "\n" << \
                    "  " << #rhs << " = " << rhs << "\n" )

#define LVARRAY_ERROR_IF_EQ_MSG( lhs, rhs, msg ) LVARRAY_ERROR_IF_OP_MSG( lhs, ==, !=, rhs, msg )

#define LVARRAY_ERROR_IF_EQ( lhs, rhs ) LVARRAY_ERROR_IF_EQ_MSG( lhs, rhs, "" )

#define LVARRAY_ERROR_IF_NE_MSG( lhs, rhs, msg ) LVARRAY_ERROR_IF_OP_MSG( lhs, !=, ==, rhs, msg )

#define LVARRAY_ERROR_IF_NE( lhs, rhs ) LVARRAY_ERROR_IF_NE_MSG( lhs, rhs, "" )

#define LVARRAY_ERROR_IF_GT_MSG( lhs, rhs, msg ) LVARRAY_ERROR_IF_OP_MSG( lhs, >, <=, rhs, msg )

#define LVARRAY_ERROR_IF_GT( lhs, rhs ) LVARRAY_ERROR_IF_GT_MSG( lhs, rhs, "" )

#define LVARRAY_ERROR_IF_GE_MSG( lhs, rhs, msg ) LVARRAY_ERROR_IF_OP_MSG( lhs, >=, <, rhs, msg )

#define LVARRAY_ERROR_IF_GE( lhs, rhs ) LVARRAY_ERROR_IF_GE_MSG( lhs, rhs, "" )

#define LVARRAY_ERROR_IF_LT_MSG( lhs, rhs, msg ) LVARRAY_ERROR_IF_OP_MSG( lhs, <, >=, rhs, msg )

#define LVARRAY_ERROR_IF_LT( lhs, rhs ) LVARRAY_ERROR_IF_LT_MSG( lhs, rhs, "" )

#define LVARRAY_ERROR_IF_LE_MSG( lhs, rhs, msg ) LVARRAY_ERROR_IF_OP_MSG( lhs, <=, >, rhs, msg )

#define LVARRAY_ERROR_IF_LE( lhs, rhs ) LVARRAY_ERROR_IF_GE_MSG( lhs, rhs, "" )

#define LVARRAY_ASSERT_OP_MSG( lhs, OP, rhs, msg ) \
  LVARRAY_ASSERT_MSG( lhs OP rhs, \
                      msg << "\n" << \
                      "  " << #lhs << " = " << lhs << "\n" << \
                      "  " << #rhs << " = " << rhs << "\n" )

#define LVARRAY_ASSERT_EQ_MSG( lhs, rhs, msg ) LVARRAY_ASSERT_OP_MSG( lhs, ==, rhs, msg )

#define LVARRAY_ASSERT_EQ( lhs, rhs ) LVARRAY_ASSERT_EQ_MSG( lhs, rhs, "" )

#define LVARRAY_ASSERT_NE_MSG( lhs, rhs, msg ) LVARRAY_ASSERT_OP_MSG( lhs, !=, rhs, msg )

#define LVARRAY_ASSERT_NE( lhs, rhs ) LVARRAY_ASSERT_NE_MSG( lhs, rhs, "" )

#define LVARRAY_ASSERT_GT_MSG( lhs, rhs, msg ) LVARRAY_ASSERT_OP_MSG( lhs, >, rhs, msg )

#define LVARRAY_ASSERT_GT( lhs, rhs ) LVARRAY_ASSERT_GT_MSG( lhs, rhs, "" )

#define LVARRAY_ASSERT_GE_MSG( lhs, rhs, msg ) LVARRAY_ASSERT_OP_MSG( lhs, >=, rhs, msg )

#define LVARRAY_ASSERT_GE( lhs, rhs ) LVARRAY_ASSERT_GE_MSG( lhs, rhs, "" )

#if defined(LVARRAY_USE_CUDA) && defined(__CUDACC__)
#define LVARRAY_HOST_DEVICE __host__ __device__

#define LVARRAY_DEVICE __device__

#define DISABLE_HD_WARNING _Pragma("hd_warning_disable")
#else
#define LVARRAY_HOST_DEVICE

#define LVARRAY_DEVICE

#define DISABLE_HD_WARNING
#endif


#if defined(__clang__)
#define LVARRAY_RESTRICT __restrict__
#define LVARRAY_RESTRICT_REF __restrict__
#define LVARRAY_INTEL_CONSTEXPR constexpr
#elif defined(__GNUC__)
  #if defined(__INTEL_COMPILER)
#define LVARRAY_RESTRICT __restrict__
#define LVARRAY_RESTRICT_REF __restrict__
#define LVARRAY_INTEL_CONSTEXPR
  #else
#define LVARRAY_RESTRICT __restrict__
#define LVARRAY_RESTRICT_REF __restrict__
#define LVARRAY_INTEL_CONSTEXPR constexpr
  #endif
#endif

#if !defined(LVARRAY_BOUNDS_CHECK)

#define CONSTEXPR_WITHOUT_BOUNDS_CHECK constexpr
#else

#define CONSTEXPR_WITHOUT_BOUNDS_CHECK
#endif

#if defined(NDEBUG)

#define CONSTEXPR_WITH_NDEBUG constexpr
#else

#define CONSTEXPR_WITH_NDEBUG
#endif

#if !defined(LVARRAY_BOUNDS_CHECK)

#define CONSTEXPR_WITHOUT_BOUNDS_CHECK constexpr
#else

#define CONSTEXPR_WITHOUT_BOUNDS_CHECK
#endif

#if defined(NDEBUG)

#define CONSTEXPR_WITH_NDEBUG constexpr
#else

#define CONSTEXPR_WITH_NDEBUG
#endif