arma_config_check.hpp

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#ifndef MLPACK_CORE_UTIL_ARMA_CONFIG_CHECK_HPP
#define MLPACK_CORE_UTIL_ARMA_CONFIG_CHECK_HPP

#include "arma_config.hpp"

#ifdef ARMA_64BIT_WORD
  #ifdef MLPACK_ARMA_NO_64BIT_WORD
    #pragma message "mlpack was compiled without ARMA_64BIT_WORD, but you are \
compiling with ARMA_64BIT_WORD.  This will almost certainly cause irreparable \
disaster.  Either disable ARMA_64BIT_WORD in your application which is using \
mlpack, or, recompile mlpack against a version of Armadillo which has \
ARMA_64BIT_WORD enabled."
  #endif
#else
  #ifdef MLPACK_ARMA_64BIT_WORD
    #pragma message "mlpack was compiled with ARMA_64BIT_WORD, but you are \
compiling without ARMA_64BIT_WORD.  This will almost certainly cause \
irreparable disaster.  Either enable ARMA_64BIT_WORD in your application which \
is using mlpack, or, recompile mlpack against a version of Armadillo which has \
ARMA_64BIT_WORD disabled."
  #endif
#endif

// Check if OpenMP was enabled when mlpack was built.  This only matters for
// Armadillo 8.300.1 and newer.
#if (ARMA_VERSION_MAJOR > 8) || \
    ((ARMA_VERSION_MAJOR == 8) && (ARMA_VERSION_MINOR > 300)) || \
    ((ARMA_VERSION_MAJOR == 8) && (ARMA_VERSION_MINOR == 300) && \
     (ARMA_VERSION_PATCH >= 1))
  #ifdef ARMA_USE_OPENMP
    #ifdef MLPACK_ARMA_DONT_USE_OPENMP
      #pragma message "mlpack was compiled without OpenMP support, but you are \
compiling with OpenMP support (either -fopenmp or another option).  This will \
almost certainly cause irreparable disaster.  Either compile your application \
*without* OpenMP support (i.e. remove -fopenmp or another flag), or, recompile \
mlpack with OpenMP support."
    #endif
  #else
    #ifdef MLPACK_ARMA_USE_OPENMP
      #pragma message "mlpack was compiled with OpenMP support, but you are \
compiling without OpenMP support.  This will almost certainly cause \
irreparable disaster.  Either enable OpenMP support in your application (e.g., \
add -fopenmp to your compiler command line), or, recompile mlpack *without* \
OpenMP support."
    #endif
  #endif
#endif

#endif