【linux 查找pcre源码】【58红包源码购买】【免费的赌博源码】高端计算器源码

【linux 查找pcre源码】【58红包源码购买】【免费的赌博源码】高端计算器源码_高端计算器源码是什么

2024-11-29 22:24:46 来源：小程序求源码分类：综合

1.用C语言写的高端计算器源代码
2.求一个JAVA计算器源代码。不要按钮的计算那种。速度。器源。码高急用
3.用JAVA编写的端计科学计算器源代码
4.java 写的计算器源代码只实现加减乘除四则运算即可

高端计算器源码_高端计算器源码是什么

用C语言写的计算器源代码

#include<stdio.h>

#include<iostream.h>

#include<stdlib.h>

#include<string.h>

#include<ctype.h>

typedef float DataType;

typedef struct

{

DataType *data;

int max;

int top;

}Stack;

void SetStack(Stack *S,int n)

{

S->data=(DataType*)malloc(n*sizeof(DataType));

if(S->data==NULL)

{

printf("overflow");

exit(1);

}

S->max=n;

S->top=-1;

}

void FreeStack(Stack *S)

{

free(S->data);

}

int StackEmpty(Stack *S)

{

if(S->top==-1)

return(1);

return(0);

}

DataType Peek(Stack *S)

{

if(S->top==S->max-1)

{

printf("Stack is empty!\n");

exit(1);

}

return(S->data[S->top]);

}

void Push(Stack *S,DataType item)

{

if(S->top==S->max-1)

{

printf("Stack is full!\n");

exit(1);

}

S->top++;

S->data[S->top]=item;

}

DataType Pop(Stack *S)

{

if(S->top==-1)

{

printf("Pop an empty stack!\n");

exit(1);

}

S->top--;

return(S->data[S->top+1]);

}

typedef struct

{

char op;

int inputprecedence;

int stackprecedence;

}DataType1;

typedef struct

{

DataType1 *data;

int max;

int top;

}Stack1;

void SetStack1(Stack1 *S,int n)

{

S->data=(DataType1*)malloc(n*sizeof(DataType1));

if(S->data==NULL)

{

printf("overflow");

exit(1);

}

S->max=n;

S->top=-1;

}

void FreeStack1(Stack1 *S)

{

free(S->data);

}

int StackEmpty1(Stack1 *S)

{

if(S->top==-1)

return(1);

return(0);

}

DataType1 Peek1(Stack1 *S)

{

if(S->top==S->max-1)

{

printf("Stack1 is empty!\n");

exit(1);

}

return(S->data[S->top]);

}

void Push1(Stack1 *S,DataType1 item)

{

if(S->top==S->max-1)

{

printf("Stack is full!\n");

exit(1);

}

S->top++;

S->data[S->top]=item;

}

DataType1 Pop1(Stack1 *S)

{

if(S->top==-1)

{

printf("Pop an empty stack!\n");

exit(1);

}

S->top--;

return(S->data[S->top+1]);

}

DataType1 MathOptr(char ch)

{

DataType1 optr;

optr.op=ch;

switch(optr.op)

{

case'+':

case'-':

optr.inputprecedence=1;

optr.stackprecedence=1;

break;

case'*':

case'/':

optr.inputprecedence=2;

optr.stackprecedence=2;

break;

case'(':

optr.inputprecedence=3;

optr.stackprecedence=-1;

break;

case')':

optr.inputprecedence=0;

optr.stackprecedence=0;

break;

}

return(optr);

}

void Evaluate(Stack *OpndStack,DataType1 optr)

{

DataType opnd1,opnd2;

opnd1=Pop(OpndStack);

opnd2=Pop(OpndStack);

switch(optr.op)

{

case'+':

Push(OpndStack,opnd2+opnd1);

break;

case'-':

Push(OpndStack,opnd2-opnd1);

break;

case'*':

Push(OpndStack,opnd2*opnd1);

break;

case'/':

Push(OpndStack,opnd2/opnd1);

break;

}

int isoptr(char ch)

{

if(ch=='+'||ch=='-'||ch=='*'||ch=='/'||ch=='(')

return(1);

return(0);

}

void Infix(char *str)

{

int i,k,n=strlen(str);

char ch,numstr[];

DataType opnd;

DataType1 optr;

Stack OpndStack;

Stack1 OptrStack;

SetStack(&OpndStack,n);

SetStack1(&OptrStack,n);

k=0;

ch=str[k];

while(ch!='=')

if(isdigit(ch)||ch=='.')

{

for(i=0;isdigit(ch)||ch=='.';i++)

{

numstr[i]=ch;

k++;

ch=str[k];

}

numstr[i]='\0';

opnd= atof(numstr);

Push(&OpndStack,opnd);

}

else

if(isoptr(ch))

{

optr=MathOptr(ch);

while(Peek1(&OptrStack).stackprecedence>=optr.inputprecedence)

Evaluate(&OpndStack,Pop1(&OptrStack));

Push1(&OptrStack,optr);

k++;

ch=str[k];

}

else if(ch==')')

{

optr=MathOptr(ch);

while(Peek1(&OptrStack).stackprecedence>=optr.inputprecedence)

Evaluate(&OpndStack,Pop1(&OptrStack));

Pop1(&OptrStack);

k++;

ch=str[k];

}

while(!StackEmpty1(&OptrStack))

Evaluate(&OpndStack,Pop1(&OptrStack));

opnd=Pop(&OpndStack);

cout<<"你输入表达式的计算结果为"<<endl;

printf("%-6.2f\n",opnd);

FreeStack(&OpndStack);

FreeStack1(&OptrStack);

}

void main()

{

cout<<"请输入你要计算的表达式,并以“=”号结束。"<<endl;

char str[];

gets(str);

Infix(str);

=================================================================

哈哈！算器linux 查找pcre源码给分吧！源码

求一个JAVA计算器源代码。高端不要按钮的计算那种。速度。器源。码高急用

import java.awt.*;

import java.awt.event.*;

import java.lang.*;

import javax.swing.*;

public class Counter extends Frame

{

//声明三个面板的端计布局

GridLayout gl1,gl2,gl3;

Panel p0,p1,p2,p3;

JTextField tf1;

TextField tf2;

Button b0,b1,b2,b3,b4,b5,b6,b7,b8,b9,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b;

StringBuffer str;//显示屏所显示的字符串

double x,y;//x和y都是运算数

int z;//Z表示单击了那一个运算符.0表示"+",1表示"-",2表示"*",3表示"/"

static double m;//记忆的数字

public Counter()

{

gl1=new GridLayout(1,4,,0);//实例化三个面板的布局

gl2=new GridLayout(4,1,0,);

gl3=new GridLayout(4,5,,);

tf1=new JTextField();//显示屏

tf1.setHorizontalAlignment(JTextField.RIGHT);

tf1.setEnabled(false);

tf1.setText("0");

tf2=new TextField();//显示记忆的索引值

tf2.setEditable(false);

//实例化所有按钮、设置其前景色并注册监听器

b0=new Button("Backspace");

b0.setForeground(Color.red);

b0.addActionListener(new Bt());

b1=new Button("CE");

b1.setForeground(Color.red);

b1.addActionListener(new Bt());

b2=new Button("C");

b2.setForeground(Color.red);

b2.addActionListener(new Bt());

b3=new Button("MC");

b3.setForeground(Color.red);

b3.addActionListener(new Bt());

b4=new Button("MR");

b4.setForeground(Color.red);

b4.addActionListener(new Bt());

b5=new Button("MS");

b5.setForeground(Color.red);

b5.addActionListener(new Bt());

b6=new Button("M+");

b6.setForeground(Color.red);

b6.addActionListener(new Bt());

b7=new Button("7");

b7.setForeground(Color.blue);

b7.addActionListener(new Bt());

b8=new Button("8");

b8.setForeground(Color.blue);

b8.addActionListener(new Bt());

b9=new Button("9");

b9.setForeground(Color.blue);

b9.addActionListener(new Bt());

b=new Button("/");

b.setForeground(Color.red);