/******************************************************************************
 * Copyright 1998-2019 Lawrence Livermore National Security, LLC and other
 * HYPRE Project Developers. See the top-level COPYRIGHT file for details.
 *
 * SPDX-License-Identifier: (Apache-2.0 OR MIT)
 ******************************************************************************/

#include "_hypre_utilities.h"

HYPRE_Int hypre__global_error = 0;

/* Process the error with code ierr raised in the given line of the
   given source file. */
void hypre_error_handler(const char *filename, HYPRE_Int line, HYPRE_Int ierr, const char *msg)
{
   hypre_error_flag |= ierr;

#ifdef HYPRE_PRINT_ERRORS
   if (msg)
   {
      hypre_fprintf(
         stderr, "hypre error in file \"%s\", line %d, error code = %d - %s\n",
         filename, line, ierr, msg);
   }
   else
   {
      hypre_fprintf(
         stderr, "hypre error in file \"%s\", line %d, error code = %d\n",
         filename, line, ierr);
   }
#endif
}

HYPRE_Int HYPRE_GetError()
{
   return hypre_error_flag;
}

HYPRE_Int HYPRE_CheckError(HYPRE_Int ierr, HYPRE_Int hypre_error_code)
{
   return ierr & hypre_error_code;
}

void HYPRE_DescribeError(HYPRE_Int ierr, char *msg)
{
   if (ierr == 0)
      hypre_sprintf(msg,"[No error] ");

   if (ierr & HYPRE_ERROR_GENERIC)
      hypre_sprintf(msg,"[Generic error] ");

   if (ierr & HYPRE_ERROR_MEMORY)
      hypre_sprintf(msg,"[Memory error] ");

   if (ierr & HYPRE_ERROR_ARG)
      hypre_sprintf(msg,"[Error in argument %d] ", HYPRE_GetErrorArg());

   if (ierr & HYPRE_ERROR_CONV)
      hypre_sprintf(msg,"[Method did not converge] ");
}

HYPRE_Int HYPRE_GetErrorArg()
{
   return (hypre_error_flag>>3 & 31);
}

HYPRE_Int HYPRE_ClearAllErrors()
{
   hypre_error_flag = 0;
   return (hypre_error_flag != 0);
}

HYPRE_Int HYPRE_ClearError(HYPRE_Int hypre_error_code)
{
   hypre_error_flag &= ~hypre_error_code;
   return (hypre_error_flag & hypre_error_code);
}