Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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kccdist/lib/math/labs.c
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/*
* LABS.C - long-integer absolute value for math library
*
* This code conforms with the description of the labs function
* as defined in Harbison and Steele's "C: A Reference Manual",
* section 11.3.14
*
* This is implemented as a function instead of a macro like
*
* #define labs(x) ((x) < 0) ? -(x) : (x))
*
* because of the side-effect difference in a case like labs(n++)
*/
long int labs(x)
long int x;
{
return (x < 0) ? -x : x;
}