C语言课程设计报告简易计算器设计

1、C语言课程设计报告设学专班姓计题目:简单计算器设计院名称：电子与信息工程学院业：计算机科学与技术级：计科09-1名：朱凯迪学号19师：定稿日期：2010年03月10日 附源程序清单：Calc.h(运算函数集头文件)#include#include#include#defineHIGHstructhigh#defineMAXN5000#defineMAXSHOW40#definekey_num0#definekey_sym1structhighintnumMAXN;HIGHans,actNum,nowShow;charnowSym=N,lastSym=N;bool_isincMed=true,_

2、lastKey=key_num;intjz=10;bool_isbig(HIGHa,HIGHb)inti;for(i=MAXN-1;i0;i-)if(a.numib.numi)returntrue;elseif(a.numib.numi)returnfalse;returnfalse;voidcopy(char*str,char*rstr,intop,intlen)将str的从op开始的len个字符复制到rstr中inti=0,j=op-1;for(;i=len-1|strj=0;i+,j+)rstri=strj;rstri=0;voidcopyint(HIGHnum,HIGH*rint,in

3、top,intlen)将str的从op开始的len个字符复制到rstr中inti=1,j=op;for(;i=len&jnumi=num.numj;voidinitNum(HIGH*numb)/初始化inti;HIGHtmp;memset(tmp.num,0,sizeof(tmp.num);*numb=tmp;intabsCmp(HIGHa,HIGHb)/比较绝对值大小inti;for(i=MAXN-1;i0;i-)if(a.numi!=b.numi)return(a.numib.numi);return-1;intgetMed(HIGHa)/获取位数inti,med;for(i=MAXN-1

4、;i0;i-)if(a.numi!=0)med=i;break;if(i=0)med=1;returnmed;voidturnSym(HIGH*a)/变号a-num0=a-num0=0?-1:0;voiddecMed(HIGH*a)/减去一位inti,med=getMed(*a);if(med=MAXN-1)med-;for(i=1;inumi=a-numi+1;a-nummed=0;voidincMed(HIGH*a,intb)/加一位inti,med=getMed(*a);HIGHr;initNum(&r);if(medMAXSHOW)for(i=2;inumi-1;r.num1=b;r.

5、num0=a-num0;elser=*a;*a=r;HIGHmul(HIGHa,HIGHb)/高精度乘法inti,j,k,ma,mb;HIGHtmpr,r,zero;initNum(&zero);initNum(&r);ma=getMed(a);mb=getMed(b);for(i=1;i=ma;i+)initNum(&tmpr);for(j=1;jMAXN)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowSym=N;_lastKey=key_num;lastSym=N;returnr;for(k=1;k10)tmpMed

6、=getMed(tmpr);if(tmpMed+iMAXN)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowSym=N;_lastKey=key_num;lastSym=N;returnr;for(j=1;j=tmpMed;j+)r.numj+i-1+=tmpr.numj;for(i=1;i9)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowShow=zero;nowSym=N;_lastKey=key_num;lastSym=N;returnr;if

7、(a.num0=-1&b.num0=-1)|(a.num0=0&b.num0=0)r.num0=0;elser.num0=-1;returnr;HIGHdec(HIGHa,HIGHb)/高精度减法inti,med;HIGHr;HIGHinc(HIGHa,HIGHb);boolm=false;initNum(&r);if(a.num0=-1&b.num0=-1)m=true;elseif(a.num0=-1)b.num0=-1;returninc(a,b);elseif(b.num0=-1)a.num0=-1;returninc(a,b);if(!absCmp(a,b)a.num0=(a.num

8、0=0)?-1:0;b.num0=(b.num0=0)?-1:0;returndec(b,a);med=getMed(a);for(i=1;i=med;i+)r.numi=a.numi-b.numi;for(i=1;i=med;i+)if(r.numi0)r.numi+1-=1;r.numi=10+r.numi;if(m)r.num0=-1;returnr;HIGHinc(HIGHa,HIGHb)/高精度加法inti;HIGHr,zero;boolm=false,err=false;initNum(&r);initNum(&zero);if(a.num0=-1&b.num0=-1)m=true

9、;elseif(a.num0=-1)a.num0=0;returndec(b,a);elseif(b.num0=-1)b.num0=0;returndec(a,b);for(i=1;iMAXN;i+)r.numi=a.numi+b.numi;for(i=1;i9)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowSym=N;_lastKey=key_num;lastSym=N;nowShow=zero;returnr;if(m)r.num0=-1;returnr;HIGHdiv(HIGHa,HIGHb)/高精度整除inti,

10、j,ma=getMed(a),mb=getMed(b);HIGHr,tmpHigh,cmp,someZero,theone;initNum(&r);initNum(&theone);if(a.num0=b.num0);elser.num0=-1;num0=0;num0=0;for(i=ma-mb+1;i0;i-)initNum(&tmpHigh);copyint(a,&tmpHigh,i,ma);initNum(&cmp);for(j=0;!_isbig(cmp,tmpHigh);j+)cmp=inc(cmp,b);theone.num1=j;if(_isbig(mul(theone,b),t

11、mpHigh)j-;r.numi=j;initNum(&someZero);someZero.numi=j;someZero=mul(someZero,b);a=dec(a,someZero);returnr;HIGHmod(HIGHa,HIGHb)/高精度取模inti,j;HIGHtmpans;tmpans=div(a,b);returndec(a,mul(tmpans,b);StringgetHexStr(inta)/得到十六进制字符串if(a=10)returnA;elseif(a=11)returnB;elseif(a=12)returnC;elseif(a=13)returnD;el

12、seif(a=14)returnE;elseif(a=15)returnF;intgetHex(HIGHa)/十六进制取余if(a.num2=0)returna.num1;elsereturna.num2*10+a.num1;/转化十六进制/转化十六进制HIGHhex(HIGHa)inti=0,j;HIGHzero,r,sixteen;initNum(&zero);initNum(&r);initNum(&sixteen);sixteen.num1=6;sixteen.num2=1;if(a.num0=-1)initNum(&r);Application-MessageBox(不能为负数！，错

13、误,MB_OKCANCEL);nowSym=N;_lastKey=key_num;lastSym=N;nowShow=zero;returnr;while(_isbig(a,zero)i+;r.numi=getHex(mod(a,sixteen);a=div(a,sixteen);if(getMed(r)MAXSHOW)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowShow=zero;nowSym=N;_lastKey=key_num;lastSym=N;returnr;returnr;/转化八进制/转化八进制HIGHb

14、ajinzhi(HIGHa)inti=0,j;HIGHzero,r,eight;initNum(&zero);initNum(&r);initNum(&eight);eight.num1=8;if(a.num0=-1)initNum(&r);Application-MessageBox(不能为负数！，错误,MB_OKCANCEL);nowSym=N;_lastKey=key_num;lastSym=N;nowShow=zero;returnr;while(_isbig(a,zero)i+;r.numi=mod(a,eight).num1;a=div(a,eight);if(getMed(r)M

15、AXSHOW)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowShow=zero;nowSym=N;_lastKey=key_num;lastSym=N;returnr;returnr;/转化二进制/转化二进制HIGHbin(HIGHa)inti=0,j;HIGHzero,r,two;initNum(&zero);initNum(&r);initNum(&two);two.num1=2;if(a.num0=-1)initNum(&r);Application-MessageBox(不能为负数！，错误,MB_OKCANCEL

16、);nowShow=zero;nowSym=N;_lastKey=key_num;lastSym=N;returnr;while(_isbig(a,zero)i+;r.numi=a.num1%2;a=div(a,two);if(getMed(r)MAXSHOW)initNum(&r);Application-MessageBox(数字太大！，错误,MB_OKCANCEL);nowShow=zero;nowSym=N;_lastKey=key_num;lastSym=N;returnr;returnr;HIGHbinToshi(HIGHa)inti,med=getMed(a);HIGHr,tmp

17、,the1,tmp2,two,thetwo;initNum(&tmp);initNum(&tmp2);initNum(&the1);initNum(&thetwo);initNum(&two);two.num1=1;thetwo.num1=2;the1.num1=1;initNum(&r);for(i=1;imedb)?meda:medb;for(i=1;imedb)?meda:medb;for(i=1;i=med;i+)r.numi=tmpa.numi人tmpb.numi;r=binToshi(r);returnr;voiddoAns(HIGH*ans,HIGHactNum,char*now

18、Sym,charnewSym,charlastSym,boollastKey)HIGHthe1,zero,tmp;initNum(&the1);the1.num1=1;if(lastKey=key_sym)if(newSym=N)/if(*nowSym!=N)doAns(ans,*ans,nowSym,N,lastSym,key_num);/elseif(*nowSym!=N)doAns(ans,actNum,nowSym,N,lastSym,key_num);elseif(lastSym!=N)doAns(ans,actNum,&lastSym,N,lastSym,key_num);else

19、*ans=actNum;else*nowSym=newSym;elseif(lastKey=key_num)if(*nowSym=N)if(lastSym!=N)doAns(ans,actNum,&lastSym,N,lastSym,lastKey);else*ans=actNum;elseif(*nowSym=+)*ans=inc(actNum,*ans);elseif(*nowSym=-)*ans=dec(*ans,actNum);elseif(*nowSym=*)*ans=mul(*ans,actNum);elseif(*nowSym=/)*ans=div(*ans,actNum);el

20、seif(*nowSym=2)*ans=mul(*ans,*ans);elseif(*nowSym=3)*ans=mul(mul(*ans,*ans),*ans);elseif(*nowSym=Y)initNum(&zero);if(actNum.num0=-1|!_isbig(actNum,zero)*ans=the1;return;zero.num1=2;tmp=*ans;for(;!_isbig(zero,actNum);zero=inc(zero,the1)*ans=mul(*ans,tmp);elseif(*nowSym=L)initNum(&zero);zero.num1=2;if

21、(*nowSym=2)*ans=mul(*ans,zero);elseif(*nowSym=M)*ans=mod(*ans,actNum);elseif(*nowSym=!)actNum=dec(*ans,the1);initNum(&zero);while(_isbig(actNum,zero)*ans=mul(*ans,actNum);actNum=dec(actNum,the1);elseif(*nowSym=A)*ans=and(*ans,actNum);elseif(*nowSym=X)*ans=xor(*ans,actNum);Calc.cpp/*由BCB生成*/#include#

22、pragmahdrstop/USEFORM(Main.cpp,MainForm);/WINAPIWinMain(HINSTANCE,HINSTANCE,LPSTR,int)tryApplication-Initialize();Application-CreateForm(_classid(TMainForm),&MainForm);Application-Run();catch(Exception&exception)Application-ShowException(&exception);catch(.)trythrowException();catch(Exception&except

23、ion)Application-ShowException(&exception);return0;/Main.h/*由BCB生成*/#ifndefMainH#defineMainH/#include#include#include#include#include#include/classTMainForm:publicTForm_published:/IDE-managedComponentsTMainMenu*MainMenu1;TMenuItem*E1;TMenuItem*N1;TMenuItem*H1;TEdit*Show_Editor;TButton*bt_bkspace;TBut

24、ton*bt_ce;TButton*bt_Leftc;TButton*bt_0;TButton*bt_iAndm;TButton*bt_inc;TButton*bt_eq;TButton*bt_1;TButton*bt_2;TButton*bt_3;TButton*bt_dec;TButton*bt_lsh;TButton*bt_4;TButton*bt_5;TButton*bt_6;TButton*bt_mul;TButton*bt_xor;TButton*bt_7;TButton*bt_8;TButton*bt_9;TButton*bt_div;TButton*bt_mod;TButton

25、*bt_and;TButton*bt_xpf;TButton*bt_xlf;TButton*bt_xycf;TButton*bt_njc;TButton*sljz;TButton*sjz;TButton*bjz;TButton*ejz;void_fastcallFormCreate(TObject*Sender);void_fastcallbt_7Click(TObject*Sender);void_fastcallbt_8Click(TObject*Sender);void_fastcallbt_0Click(TObject*Sender);void_fastcallbt_1Click(TO

26、bject*Sender);void_fastcallbt_2Click(TObject*Sender);void_fastcallbt_3Click(TObject*Sender);void_fastcallbt_4Click(TObject*Sender);void_fastcallbt_5Click(TObject*Sender);void_fastcallbt_6Click(TObject*Sender);void_fastcallbt_9Click(TObject*Sender);void_fastcallbt_iAndmClick(TObject*Sender);void_fast

27、callbt_incClick(TObject*Sender);void_fastcallbt_eqClick(TObject*Sender);void_fastcallbt_decClick(TObject*Sender);void_fastcallbt_mulClick(TObject*Sender);void_fastcallShow_EditorKeyPress(TObject*Sender,char&Key);void_fastcallbt_divClick(TObject*Sender);void_fastcallbt_LeftcClick(TObject*Sender);void

28、_fastcallbt_ceClick(TObject*Sender);void_fastcallbt_bkspaceClick(TObject*Sender);void_fastcallbt_xpfClick(TObject*Sender);void_fastcallbt_xlfClick(TObject*Sender);void_fastcallbt_xycfClick(TObject*Sender);void_fastcallbt_lshClick(TObject*Sender);void_fastcallbt_modClick(TObject*Sender);void_fastcall

29、bt_njcClick(TObject*Sender);void_fastcallsjzClick(TObject*Sender);void_fastcallejzClick(TObject*Sender);void_fastcallsljzClick(TObject*Sender);void_fastcallbjzClick(TObject*Sender);void_fastcallbt_andClick(TObject*Sender);void_fastcallbt_xorClick(TObject*Sender);private:/Userdeclarationspublic:/User

30、declarations_fastcallTMainForm(TComponent*Owner);void_fastcallTMainForm:ShowText(HIGHa);/externPACKAGETMainForm*MainForm;/#endifMain.cpp#include#include#pragmahdrstop#includeMain.h/#pragmapackage(smart_init)#pragmaresource*.dfmusingnamespacestd;TMainForm*MainForm;/_fastcallTMainForm:TMainForm(TComponent*Owner)TForm(Owner)/void_fastcallTMainFo