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/*@@
@file util.c
@date 23 Oct 2001
@author Jonathan Thornburg <jthorn@aei.mpg.de>
@desc
Utility routines for generalized interpolation.
This file contains various utility routines for the interpolator.
@enddesc
@version $Id$
@@*/
#include <math.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifndef AEILOCALINTERP_STANDALONE_TEST
#include "cctk.h"
#endif
#include "InterpLocalUniform.h"
/* the rcs ID and its dummy function to use it */
static const char *rcsid = "$Header$";
#ifndef AEILOCALINTERP_STANDALONE_TEST
CCTK_FILEVERSION(AEIThorns_AEILocalInterp_src_util_c)
#endif
/******************************************************************************/
/*@@
@routine AEILocalInterp_decode_N_parts
@date 22 Jan 2002
@author Jonathan Thornburg <jthorn@aei.mpg.de>
@desc This function decodes a CCTK_VARIABLE_* variable type code
(cctk_Constants.h) to determine whether the type is real
or complex.
@enddesc
@var type_code
@vdesc The type code to be decoded
@vtype int
@endvar
@returntype int
@returndesc This function returns
1 if the data type represents a real number of some sort
(includes integers)
2 if the data type represents a complex number
0 if the data type doesn't represent a number,
eg strings and pointers
-1 if the data type is invalid
@endreturndesc
@@*/
int AEILocalInterp_decode_N_parts(int type_code)
{
switch (type_code)
{
case CCTK_VARIABLE_VOID: return 0;
case CCTK_VARIABLE_BYTE: return 1;
case CCTK_VARIABLE_INT: return 1;
case CCTK_VARIABLE_INT2: return 1;
case CCTK_VARIABLE_INT4: return 1;
case CCTK_VARIABLE_INT8: return 1;
case CCTK_VARIABLE_REAL: return 1;
case CCTK_VARIABLE_REAL4: return 1;
case CCTK_VARIABLE_REAL8: return 1;
case CCTK_VARIABLE_REAL16: return 1;
case CCTK_VARIABLE_COMPLEX: return 2;
case CCTK_VARIABLE_COMPLEX8: return 2;
case CCTK_VARIABLE_COMPLEX16: return 2;
case CCTK_VARIABLE_COMPLEX32: return 2;
case CCTK_VARIABLE_STRING: return 0;
case CCTK_VARIABLE_POINTER: return 0;
case CCTK_VARIABLE_FPOINTER: return 0;
default: return -1;
}
}
/******************************************************************************/
/*@@
@routine AEILocalInterp_get_int_param
@date 12 Jan 2007
@author Jonathan Thornburg <jthorn@aei.mpg.de>
@desc This function gets the (scalar) value of a CCTK_INT or Boolean
Cactus parameter.
@enddesc
@var thorn_or_implementation_name
@vdesc The name of the thorn (for private parameters) or implementation
(for restricted parameters), eg "AEILocalInterp".
@vtype const char*
@endvar
@var parameter_name
@vdesc The name of the parameter, e.g. "log_interp_coords"
@vtype const char*
@endvar
@returntype int
@returndesc This function returns the value of the parameter.
If an error occurs, this function calls
CCTK_VWarn(CCTK_WARN_ABORT, ...)
(and does not return to the caller).
@endreturndesc
@@*/
int AEILocalInterp_get_int_param(const char* const thorn_or_implementation_name,
const char* const parameter_name)
{
const CCTK_INT* const value_ptr
= (const CCTK_INT*) CCTK_ParameterGet(parameter_name,
thorn_or_implementation_name,
NULL);
if (value_ptr == NULL)
then CCTK_VWarn(CCTK_WARN_ABORT, __LINE__, __FILE__, CCTK_THORNSTRING,
"***** AEILocalInterp_decode_N_parts():\n"
" can't get value of parameter %s::%s!\n"
,
thorn_or_implementation_name, parameter_name); /*NOTREACHED*/
return *value_ptr;
}
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