.so macro
.he 'FABS''FABS'
.n  FABS
fabs - floating point absolute
.sy SYNOPSIS
.nf
#include <math.h>

double
fabs(d)
double d;
.fi
.d  DESCRIPTION
\&'fabs' returns the absolute value of a floating point number.
.fl FILES
math.h - declaration include file
.sa SEE ALSO
