libtrilinos-zoltan2-dev 12.12.1-5 / usr / include / trilinos / Zoltan2_Exceptions.hpp

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//   Zoltan2: A package of combinatorial algorithms for scientific computing
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#ifndef _ZOLTAN2_EXCEPTIONS_HPP_
#define _ZOLTAN2_EXCEPTIONS_HPP_

/*! \file Zoltan2_Exceptions.hpp
    \brief Defines exception handling macros.
*/

#include <stdexcept>
#include <iostream>
#include <sstream>
#include <string>

/*!  \brief Throw an error returned from outside the Zoltan2 library.
 *
 *   A \c try block that calls another library should be followed
 *   by this \c catch block.  The error message if any is printed and the
 *   exception is then thrown.
 */
#define Z2_THROW_OUTSIDE_ERROR(env) \
  catch (std::exception &e) {          \
    std::cerr<<(env).myRank_<<" "<<__FILE__<<","<<__LINE__<<","<<e.what()<<std::endl; \
    throw e; \
  }

namespace Zoltan2 {
/*! \brief Exception thrown when a called base-class method is not implemented
 */ 
class NotImplemented : public std::exception
{
private:
  std::string msg;
public:
  NotImplemented(const char *ffile, const int lline, const char *ffunc)
  {
    std::ostringstream emsg;
    emsg << ffile << ":" << lline
         << " error: " << ffunc << " is not implemented."
         << std::endl;
    msg = emsg.str();
  }
  ~NotImplemented() throw() {}
  const char *what() const throw() { return msg.c_str(); }
};

}

#define Z2_THROW_NOT_IMPLEMENTED \
{ throw Zoltan2::NotImplemented(__FILE__, __LINE__, __func__zoltan2__); }


/*! \brief  Forward an exception back through call stack.
 *
 *  A \c try block that calls another Zoltan2 function should
 *  be followed by this \c catch series.  It ensures that the
 *  original runtime, logic or bad_alloc exception gets passed up.
 *  For example, if a runtime_error is caught as a std::exception,
 *  it gets passed up as a std::exception and the \c what() message
 *  is not lost. 
 */

#define Z2_FORWARD_EXCEPTIONS \
  catch (std::runtime_error &e) { throw e; } \
  catch (std::logic_error   &e) { throw e; } \
  catch (std::bad_alloc     &e) { throw e; } \
  catch (std::exception     &e) { throw e; } 

/*! \brief Throw an error when experimental code is requested but not compiled.
 *
 *  Experimental code must be enabled with CMAKE Option
 *  -D Zoltan2_ENABLE_Experimental:BOOL=ON
 *  If it is not enabled but it is called, throw an exception.
 *  The input string mystr is a use-specific message included in the throw
 *  message.
 */

#define Z2_THROW_EXPERIMENTAL(mystr) \
  { \
  std::ostringstream oss; \
  oss << (mystr) << std::endl \
      << "To experiment with this software, configure with " \
      << "-D Zoltan2_ENABLE_Experimental:BOOL=ON " \
      << std::endl; \
  throw std::runtime_error(oss.str()); \
  }

/*! \brief Throw an error when wolf experimental code is requested but not compiled.
 *
 *  Experimental code must be enabled with CMAKE Option
 *  -D Zoltan2_ENABLE_Experimental_Wolf:BOOL=ON
 *  If it is not enabled but it is called, throw an exception.
 *  The input string mystr is a use-specific message included in the throw
 *  message.
 */

#define Z2_THROW_EXPERIMENTAL_WOLF(mystr) \
  { \
  std::ostringstream oss; \
  oss << (mystr) << std::endl \
      << "To experiment with this software, configure with " \
      << "-D Zoltan2_ENABLE_Experimental_Wolf:BOOL=ON " \
      << std::endl; \
  throw std::runtime_error(oss.str()); \
  }

/*! \brief Throw an error when code is run on more than one processor
 *
 */

#define Z2_THROW_SERIAL(mystr) \
  { \
  std::ostringstream oss; \
  oss << (mystr) << std::endl \
      << "This algorithm only runs in serial (Comm_Serial or MPI_Comm with worldsize=1). " \
      << std::endl; \
  throw std::runtime_error(oss.str()); \
  }


/*! \brief Throw an error when actual value is not equal to expected value.
 *
 *  Check if the two arguments passed are equal and throw a runtime error if
 *  they are not.
 */

#define Z2_ASSERT_VALUE(actual, expected) \
  { \
      if (actual != expected) \
      { \
          std::ostringstream oss; \
          oss << "Expected value " << expected << "does not match actual value"\
              << actual << "in" << __FILE__<<", "<<__LINE__ \
              << std::endl; \
          throw std::runtime_error(oss.str()); \
      }\
  }

#ifdef _MSC_VER
#if _MSC_VER >= 1300
#define __func__zoltan2__  __FUNCTION__
#else
#define __func__zoltan2__  "unknown zoltan2 function"
#endif
#else
#define __func__zoltan2__  __func__
#endif

#endif