itassert.cpp

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#ifndef _MSC_VER
#  include <itpp/config.h>
#else
#  include <itpp/config_msvc.h>
#endif
 
#include <itpp/base/itassert.h>
#include <iostream>
#include <stdexcept>
#include <cstdlib>
 
 
namespace itpp
{

static bool warnings_enabled = true;
static bool file_line_info_enabled = true;
static std::ostream *warn = &std::cerr;
 
void it_assert_f(std::string ass, std::string msg, std::string file, int line)
{
  std::ostringstream error;
  if (file_line_info_enabled) {
    error << "*** Assertion failed in " << file << " on line " << line
    << ":\n" << msg << " (" << ass << ")\n";
  }
  else {
    error << msg << " (" << ass << ")\n";
  }
  std::cerr << error.str() << std::flush;
#ifdef ITPP_EXCEPTIONS
  throw std::runtime_error(error.str());
#else
  abort();
#endif
}
 
void it_error_f(std::string msg, std::string file, int line)
{
  std::ostringstream error;
  if (file_line_info_enabled) {
    error << "*** Error in " << file << " on line " << line << ":\n"
    << msg << "\n";
  }
  else {
    error << msg << "\n";
  }
  std::cerr << error.str() << std::flush;
#ifdef ITPP_EXCEPTIONS
  throw std::runtime_error(error.str());
#else
  abort();
#endif
}
 
void it_info_f(std::string msg)
{
  std::cerr << msg << std::flush;
}
 
void it_warning_f(std::string msg, std::string file, int line)
{
  if (warnings_enabled) {
    if (file_line_info_enabled) {
      (*warn) << "*** Warning in " << file << " on line " << line << ":\n"
      << msg << std::endl << std::flush;
    }
    else {
      (*warn) << msg << std::endl << std::flush;
    }
  }
}
 
void it_enable_warnings()
{
  warnings_enabled = true;
}
 
void it_disable_warnings()
{
  warnings_enabled = false;
}
 
void it_redirect_warnings(std::ostream *warn_stream)
{
  warn = warn_stream;
}
 
void it_error_msg_style(error_msg_style style)
{
  switch (style) {
  case Full:
    file_line_info_enabled = true;
    break;
  case Minimum:
    file_line_info_enabled = false;
    break;
  default:
    file_line_info_enabled = true;
  }
}
 
} //namespace itpp