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