公式模型编写问题提交-[求助]只加一次仓金字塔客服中心 - 专业程序化交易软件提供商

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-  金字塔客服中心 - 专业程序化交易软件提供商  (http://weistock.com/bbs/index.asp)
--  公式模型编写问题提交  (http://weistock.com/bbs/list.asp?boardid=4)
----  [求助]只加一次仓  (http://weistock.com/bbs/dispbbs.asp?boardid=4&id=144256)

--  作者：宁静致远1
--  发布时间：2016/12/7 14:27:47
--  [求助]只加一次仓

老师这是开平仓条件，在持仓的情况下，再次符合开仓条件加仓，而且只加一次仓，加仓手数为M，该怎么表达？
if DEA>0 and macd>0 and macd>ref(macd,1) and abb then buy(holding=0,ss,marketr);
if macd<0 and abb and holding>0 then sell(1,0,marketr);
if DEA<0 and macd<0 and macd<ref(macd,1) and abb then buyshort(holding=0,ss,marketr);
if macd>0 and abb and holding<0 then sellshort(1,0,marketr);

--  作者：jinzhe
--  发布时间：2016/12/7 14:32:24
--

if DEA>0 and macd>0 and macd>ref(macd,1) and abb then buy(holding<=ss,ss,marketr);

if macd<0 and abb and holding>0 then sell(1,0,marketr);

if DEA<0 and macd<0 and macd<ref(macd,1) and abb then buyshort(holding<=abs(ss),ss,marketr);

if macd>0 and abb and holding<0 then sellshort(1,0,marketr);

--  作者：宁静致远1
--  发布时间：2016/12/7 15:23:49
--

再麻烦一下老师，这是开平仓条件，在开仓走完第5根K线依然盈利的情况下，则加仓M手，而且只加一次仓，该怎么表达？
if DEA>0 and macd>0 and macd>ref(macd,1) and abb then buy(holding=0,ss,marketr);
if macd<0 and abb and holding>0 then sell(1,0,marketr);
if DEA<0 and macd<0 and macd<ref(macd,1) and abb then buyshort(holding=0,ss,marketr);
if macd>0 and abb and holding<0 then sellshort(1,0,marketr);

--  作者：jinzhe
--  发布时间：2016/12/7 15:29:27
--

if DEA>0 and macd>0 and macd>ref(macd,1) and abb then buy(holding=0,ss,marketr);

if DEA>0 and macd>0 and macd>ref(macd,1) and abb and holding=ss and openprofit>0 and enterbars=5  then buy(holding=ss,ss,marketr);

if macd<0 and abb and holding>0 then sell(1,0,marketr);

if DEA<0 and macd<0 and macd<ref(macd,1) and abb then buyshort(holding=0,ss,marketr);

if DEA<0 and macd<0 and macd<ref(macd,1) and abb and holding=-ss and openrpfit>0 and enterbars=5  then buyshort(holding=-ss,ss,marketr);

if macd>0 and abb and holding<0 then sellshort(1,0,marketr);