"calib/fatal.h" Header.The "calib/fatal.h" header contains facilities to detect and
report fatal software errors.
Fatal software errors report the source file and line number to stderr
and then call abort() to produce a core file.
The following macros are provided:
CALIB_FATAL_ERROR;
Produces an immediate fatal error at this source file and line number.
CALIB_FATAL_ERROR_IF (condition);
Produces an immediate fatal error at this source file and line number if the given condition is true.