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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [stdlib/] [labs.c] - Rev 207
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/* FUNCTION <<labs>>---long integer absolute value INDEX labs ANSI_SYNOPSIS #include <stdlib.h> long labs(long <[i]>); TRAD_SYNOPSIS #include <stdlib.h> long labs(<[i]>) long <[i]>; DESCRIPTION <<labs>> returns @tex $|x|$, @end tex the absolute value of <[i]> (also called the magnitude of <[i]>). That is, if <[i]> is negative, the result is the opposite of <[i]>, but if <[i]> is nonnegative the result is <[i]>. The similar function <<abs>> uses and returns <<int>> rather than <<long>> values. RETURNS The result is a nonnegative long integer. PORTABILITY <<labs>> is ANSI. No supporting OS subroutine calls are required. */ #include <stdlib.h> long _DEFUN (labs, (x), long x) { if (x < 0) { x = -x; } return x; }
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