git: 9front

ref: f3dc7e55ab7f4b5f7c06d546ae59fc446b45bc6d
dir: /sys/src/libc/port/fabs.c/

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#include <u.h>
#include <libc.h>

double
fabs(double arg)
{

	if(arg < 0)
		return -arg;
	return arg;
}