62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
|
/***
|
||
|
*abs.c - find absolute value
|
||
|
*
|
||
|
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
|
||
|
*
|
||
|
*Purpose:
|
||
|
* defines abs() - find the absolute value of an int.
|
||
|
*
|
||
|
*Revision History:
|
||
|
* 04-22-87 JMB added function pragma for conversion to C 5.0 compiler
|
||
|
* 12-11-87 JCR Added "_LOAD_DS" to declaration
|
||
|
* 03-14-90 GJF Replaced _LOAD_DS with _CALLTYPE1, added #include
|
||
|
* <cruntime.h> and fixed the copyright. Also, cleaned
|
||
|
* up the formatting a bit.
|
||
|
* 10-04-90 GJF New-style function declarator.
|
||
|
* 12-28-90 SRW Added _CRUISER_ conditional around function pragma
|
||
|
* 04-01-91 SRW Enable #pragma function for i386 _WIN32_ builds too.
|
||
|
* 04-06-93 SKS Replace _CRTAPI* with __cdecl
|
||
|
* No _CRTIMP for CRT DLL model due to intrinsic
|
||
|
* 12-03-93 GJF Turn on #pragma function for all MS front-ends (esp.,
|
||
|
* Alpha compiler).
|
||
|
* 12-30-94 JCF Turn off #pragma function for MAC.
|
||
|
* 05-17-99 PML Remove all Macintosh support.
|
||
|
* 01-04-01 GB Added __int64 version of abs
|
||
|
*
|
||
|
*******************************************************************************/
|
||
|
|
||
|
#include <cruntime.h>
|
||
|
#include <stdlib.h>
|
||
|
|
||
|
#pragma function(abs, _abs64)
|
||
|
|
||
|
/***
|
||
|
*int abs(number) - find absolute value of number
|
||
|
*
|
||
|
*Purpose:
|
||
|
* Returns the absolute value of number (if number >= 0, returns number,
|
||
|
* else returns -number).
|
||
|
*
|
||
|
*Entry:
|
||
|
* int number - number to find absolute value of
|
||
|
*
|
||
|
*Exit:
|
||
|
* returns the aboslute value of number
|
||
|
*
|
||
|
*Exceptions:
|
||
|
*
|
||
|
*******************************************************************************/
|
||
|
|
||
|
int __cdecl abs (
|
||
|
int number
|
||
|
)
|
||
|
{
|
||
|
return( number>=0 ? number : -number );
|
||
|
}
|
||
|
__int64 __cdecl _abs64(
|
||
|
__int64 num
|
||
|
)
|
||
|
{
|
||
|
return (num >=0 ? num : -num);
|
||
|
}
|