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/* stdc.h -- JT standard C/C++ header file, cut-down for modern code only */
/* $Header$ */
#ifndef AHFINDERDIRECT__STDC_H
#define AHFINDERDIRECT__STDC_H
/*
* ***** THIS VERSION IS FOR ANSI/ISO C AND C++ *****
*/
/******************************************************************************/
/*
* I use this macro in all if statements -- I like the symmetry between
* the two branches of an if statement.
*
* if (foo)
* then bar;
*
* if (foo)
* then bar;
* else baz;
*/
#define then /* empty */
/******************************************************************************/
/*
* misc stuff
*/
#ifdef M_PI /* usually defined in <math.h> */
#define PI M_PI
#endif
#define STRING_EQUAL(s_,t_) (strcmp(s_,t_) == 0)
/* C library uses abs() for integer absolute value; I prefer iabs() */
#define iabs(x_) abs(x_)
/******************************************************************************/
/*
* misc sentinal values
*/
/* n.b. this value is usually 10...0 binary for 2's-complement arithmetic */
#define INT_SENTINAL_VALUE (~ INT_MAX) /* from <limits.h> */
#define FLOAT_SENTINAL_VALUE (- FLT_MAX) /* from <float.h> */
#define DOUBLE_SENTINAL_VALUE (- DBL_MAX) /* from <float.h> */
/******************************************************************************/
#ifdef __cplusplus
namespace AHFinderDirect
{
namespace jtutil
{
#endif
/*
* Low-level code in this thorn does error handling with error_exit() .
* In this this thorn this function is a wrapper around
* CCTK_VWarn(msg_level, ...)
* This function is declared to return int so it may be easily used in
* conditional expressions like
* foo = bar_ok ? baz(bar) : error_exit(...);
*/
int error_exit(int msg_level, const char *format, ...)
#ifdef __GNUC__
__attribute__ ((noreturn))
__attribute__ ((format(printf,2,3)))
#endif
;
/*
* error_exit() uses the following msg_level codes:
* ERROR_EXIT ==> something bad has happened
* (eg inconsistent user input)
* PANIC_EXIT ==> diasaster (eg internal consistency check failed)
* ==> we'd like to force (eg) a core dump or stack trace
* (but at present this isn't implemented; we just
* do a CCTK_VWarn() just like for ERROR_EXIT)
*/
#define ERROR_EXIT (-1)
#define PANIC_EXIT (-2)
#ifdef __cplusplus
} /* namespace jtutil */
} /* namespace AHFinderDirect */
#endif
/******************************************************************************/
#endif /* AHFINDERDIRECT__STDC_H */
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