git: 9front

ref: 77f1febdea9d3992cd928b18b51c523fbaa4ae0a
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;
}