f_epsdouble.ihlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{* 30nov2004}{...}
{phang}
{cmd:epsdouble()} returns the machine precision of a double-precision
	number.  If {it:d} < epsdouble() and (double) {it:x} = 1,
	then {it:x} + {it:d} = (double) 1.  This function takes no
	arguments, but the parentheses must be included.{p_end}