//???基本思想是用切比雪夫多項式來逼近
#include?“stdafx.h“
#include?“gamma1.h“????????
#include?“stdio.h“

double?gamma1（?double?x）
{
	int?i;
	double?ytsu;
	static?double?a[11]={0.0000677106-0.0003442342
						0.0015397681-0.00244674800.0109736958
						-0.00021090750.07423790710.0815782188
						0.41184025180.42278433701.0};???//切比雪夫多項式系數
	if（x<=0.0）
	{
		printf（“err?**?x<=0!\n“）;?return?（-1.0）;
	}
	y=x;
	if（y<=1.0）
	{???t=1.0/（y*（y+1.0））;y=y+2.0;	}
	else?if（y<=2.0）
	{???t=1.0/y;??y=y+1.0;??}
	else?if（y<=3.0）?t=1.0;
	else
	{
		t=1.0;
		while（y>3.0）
		{?y=y-1.0;?t=t*y;?}
	}
	s=a[0];?u=y-2.0;
	for?（?i=1;i<=10;?i++）
		s=s*u+a[i];
	s=s*t;
	return（s）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3741??2010-07-08?21:58??Gamma_Incomplete\Debug\gamma1.obj

?????文件???????4910??2010-07-08?22:03??Gamma_Incomplete\Debug\gamma2.obj

?????文件?????192585??2010-07-08?22:03??Gamma_Incomplete\Debug\Gamma_Incomplete.exe

?????文件?????204116??2010-07-08?22:03??Gamma_Incomplete\Debug\Gamma_Incomplete.ilk

?????文件???????3039??2010-07-08?22:03??Gamma_Incomplete\Debug\Gamma_Incomplete.obj

?????文件?????187128??2010-07-08?21:58??Gamma_Incomplete\Debug\Gamma_Incomplete.pch

?????文件?????443392??2010-07-08?22:03??Gamma_Incomplete\Debug\Gamma_Incomplete.pdb

?????文件???????1853??2010-07-08?21:58??Gamma_Incomplete\Debug\StdAfx.obj

?????文件??????41984??2010-07-22?11:01??Gamma_Incomplete\Debug\vc60.idb

?????文件??????53248??2010-07-08?22:03??Gamma_Incomplete\Debug\vc60.pdb

?????文件????????720??2010-07-08?19:57??Gamma_Incomplete\gamma1.cpp

?????文件?????????42??2010-07-22?11:01??Gamma_Incomplete\gamma1.h

?????文件???????1086??2010-07-08?21:59??Gamma_Incomplete\gamma2.cpp

?????文件?????????60??2010-07-08?21:39??Gamma_Incomplete\gamma2.h

?????文件????????505??2010-07-08?22:03??Gamma_Incomplete\Gamma_Incomplete.cpp

?????文件???????4904??2010-07-08?22:33??Gamma_Incomplete\Gamma_Incomplete.dsp

?????文件????????557??2010-07-08?21:34??Gamma_Incomplete\Gamma_Incomplete.dsw

?????文件??????50176??2010-07-22?11:01??Gamma_Incomplete\Gamma_Incomplete.ncb

?????文件??????49664??2010-07-22?11:01??Gamma_Incomplete\Gamma_Incomplete.opt

?????文件????????266??2010-07-22?11:01??Gamma_Incomplete\Gamma_Incomplete.plg

?????文件???????1268??2010-07-08?21:34??Gamma_Incomplete\ReadMe.txt

?????文件????????303??2010-07-08?21:34??Gamma_Incomplete\StdAfx.cpp

?????文件????????667??2010-07-08?21:34??Gamma_Incomplete\StdAfx.h

?????目錄??????????0??2010-07-08?22:03??Gamma_Incomplete\Debug

?????目錄??????????0??2010-07-22?11:01??Gamma_Incomplete

-----------?---------??----------?-----??----

??????????????1246214????????????????????25