home *** CD-ROM | disk | FTP | other *** search
- /*------------------------------------------------------------------------
- * filename - abs.cas
- *
- * function(s)
- * abs - absolute value
- *-----------------------------------------------------------------------*/
-
- /*[]------------------------------------------------------------[]*/
- /*| |*/
- /*| Turbo C Run Time Library - Version 3.0 |*/
- /*| |*/
- /*| |*/
- /*| Copyright (c) 1987,1988,1990 by Borland International |*/
- /*| All Rights Reserved. |*/
- /*| |*/
- /*[]------------------------------------------------------------[]*/
-
- #pragma inline
- #include <stdlib.h>
-
- #undef abs /* abs is defined as a macro in stdlib.h */
-
- /*------------------------------------------------------------------------*
-
- Name abs - absolute value
-
- Usage int abs(int i);
-
- Prototype in stdlib.h
-
- Description abs returns the absolute value of the integer argument i
-
- Return value Integer value in the range 0 to 32767, with the exception
- that an argument of -32768 is returned as -32768.
-
- *--------------------------------------------------------------------------*/
- int abs(int i)
- {
- asm mov ax, i
- asm or ax, ax
- asm jge exit
- asm neg ax
- exit:
- return _AX;
- }
-