想看一下VS2010中abs函数的写法
谁能帮忙贴一下VS2010中abs()函数的代码？
先行谢过~~
[解决办法]
return a < 0 ? -a : a;
/***
*abs.c - find absolute value
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines abs() - find the absolute value of an int.
*
*******************************************************************************/
#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);
}
