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-/* mtherr.c
- *
- * Library common error handling routine
- *
- *
- *
- * SYNOPSIS:
- *
- * char *fctnam;
- * int code;
- * void mtherr();
- *
- * mtherr( fctnam, code );
- *
- *
- *
- * DESCRIPTION:
- *
- * This routine may be called to report one of the following
- * error conditions (in the include file math.h).
- *
- * Mnemonic Value Significance
- *
- * DOMAIN 1 argument domain error
- * SING 2 function singularity
- * OVERFLOW 3 overflow range error
- * UNDERFLOW 4 underflow range error
- * TLOSS 5 total loss of precision
- * PLOSS 6 partial loss of precision
- * EDOM 33 Unix domain error code
- * ERANGE 34 Unix range error code
- *
- * The default version of the file prints the function name,
- * passed to it by the pointer fctnam, followed by the
- * error condition. The display is directed to the standard
- * output device. The routine then returns to the calling
- * program. Users may wish to modify the program to abort by
- * calling exit() under severe error conditions such as domain
- * errors.
- *
- * Since all error conditions pass control to this function,
- * the display may be easily changed, eliminated, or directed
- * to an error logging device.
- *
- * SEE ALSO:
- *
- * math.h
- *
- */
-
-/*
-Cephes Math Library Release 2.0: April, 1987
-Copyright 1984, 1987 by Stephen L. Moshier
-Direct inquiries to 30 Frost Street, Cambridge, MA 02140
-*/
-
-#include <math.h>
-
-/* Notice: the order of appearance of the following
- * messages is bound to the error codes defined
- * in math.h.
- */
-static char *ermsg[7] = {
-"unknown", /* error code 0 */
-"domain", /* error code 1 */
-"singularity", /* et seq. */
-"overflow",
-"underflow",
-"total loss of precision",
-"partial loss of precision"
-};
-
-
-void printf();
-
-int mtherr( name, code )
-char *name;
-int code;
-{
-
-/* Display string passed by calling program,
- * which is supposed to be the name of the
- * function in which the error occurred:
- */
-printf( "\n%s ", name );
- /* exit(2); */
-
-/* Display error message defined
- * by the code argument.
- */
-if( (code <= 0) || (code >= 6) )
- code = 0;
-printf( "%s error\n", ermsg[code] );
-
-/* Return to calling
- * program
- */
-return 0;
-}